Project MTM2011-25816-C02-00
Coordination Meetings and Internal Working Meetings
(Last update: November 2014)
In the following we list several coodination meetings and internal working meetings,
involving persons from different universities, located at different cities, within the same subproject or inter-subprojects.
2014
- Internal working meeting, February 3-4, 2014 at the University of Alcalá; participants:
F. Botana (U. de Vigo), T. Recio (U. de Cantabria); topic:
automatic computation of enveloppes and loci in dynamic geometry contexts.
- Internal working meeting (inter-subprojects), February 18,19,20 2014 at Sigüenza; participants:J. R. Sendra and C. Villarino (U. de Alcalá),
L.F. Tabera and T. Recio (U. de Cantabria); topic: state of the art on Goals 1.1.1 and 1.1.2
- Internal working meeting, March 13-14, 2014 at the Universidad de Alcalá;
participants:J. R. Sendra y C. Villarino (U. de Alcalá), D. Sevilla (U. de Extremadura)
topic: normal covering of revolution and ruled surfaces.
- Internal working meeting, 24-25 March 2014 in Ponferrada; participants:
F. Botana (U. de Vigo), T. Recio (U. de Cantabria); topcic: automatic reasoning in geometry.
- Internal working meeting, April 6-9, 2014 at the University of Murcia. Participants: J.G. Alcázar
(University of Alcala), Jorge Caravantes (Universidad Complutense, Madrid), Gema Díaz Toca (University of Murcia).
Topic: computation of the convex hull of a rational plane curve.
- Internal working meeting, 12-21 May 2014 at the Universidad de Cantabria; participants: I. Adamou, M. Fioravanti;
topic: topology of the bisector surface of two disjoint surfaces of low degree and parametrization of
the "medial axis" of a closed surface of low degree; related to goal 2.1.3
- Internal working meeting (20-22 May, 2014) at the Universidad de Extremadura (Mérida); participants:
J.R. Sendra (U. Alcalá), D. Sevilla (U. de Extremadura); topic: normal covering of ruled surfaces.
- Internal working meeting (9-10 june, 2014) at the Universidad de Alcalá and the Universidad Politécnica de Madrid;
participants: J. Sendra (U. Politécnica de Madrid), J.R. Sendra (U. Alcalá), D. Sevilla (U. de Extremadura),
C. Villarino (U. Alcalá); topic: goals 1.1.3 y 2.2.1.
- Internal working meeting (14-20 july, 2014) at the Universidad de Alcalá and the Universidad Politécnica de Madrid;
participants: J. Sendra (U. Politécnica de Madrid), J.R. Sendra (U. Alcalá), M. Peternell (Technische Universität Wien, Austria);
topic: algebro-geometric constructions in the frame of the goals 2.1.1 y 2.1.2.
- Internal working meeting, 31 July - 4 September 2014 at the Universidad de Cantabria; participants: G.M. Diaz (U. de Murcia) to work with
L. Gonzalez-Vega (Universidad de Cantabria) and M. Fioravanti (Universidad de Cantabria).
- Internal working meeting, 2-3 September 2014 in Madrid (UCM);
participants: L. Gonzalez-Vega (U. de Cantabria), J. Caravantes (UCM); topic: work on the paper
"Solving positioning problems with minimal data", submitted to the journal GPS Solutions.
- Internal working meeting, 2-21 September 2013 at the Universidad de Cantabria; participants:
I. Adamou to work with M. Fioravanti and L. González-Vega; topic: Voronoi diagram of a famly of half-lines in R3; related to goal 2.1.3.
- Internal working meeting, 4-10 Septiember 2014 in Madrid (UCM); participants:
L. Gonzalez-Vega (U. de Cantabria), J. Caravantes (UCM); topic: work on the paper "A canonical form for the continuous
piecewise polynomial functions", submitted to Applied Mathematics Letters.
- Internal working meeting, 10-12 September 2014 in Madrid (UCM); participants: L. Gonzalez-Vega (U. de Cantabria),
J. Caravantes (UCM); topic: work on the paper "Computing the topology of an arrangement of plane curves".
- Internal working meeting 15-19 September 2014 in Madrid (UPM); participants: L. Gonzalez-Vega (U. de Cantabria),
J. Sendra (UPM); topic: representation of offsets when the original input curve is given values.
- Internal working meeting, 21-23 September 2014 in Madrid (UCM); participants: L. Gonzalez-Vega (U. de Cantabria),
J. Caravantes (UCM); topic: work on the paper "Towards a closed formula to determine the absolute factorization of plane curves".
- Internal working meeting, 24-25 de septiember 2014 in Madrid (UPM); participantes: L. Gonzalez-Vega (U. de Cantabria),
J. Sendra (UPM); topic: clusteres of approximated singularities of algebraic curves in the context of the approximate parametrization
problem.
- Reunión de trabajo interno, 25-29 Septiembre 2014 in Madrid (UCM); participantes: L. Gonzalez-Vega
(U. de Cantabria), J. Caravantes (UCM); tema: búsqueda de soluciones cerradas "á la Cramer" para la resolución
de sistemas de ecuaciones lineales paramétricos.
- Internal working meeting, 6-11 October 2014, at the "Technische Universität Wien, Austria"; participants:
J. Sendra (U. Politécnica de Madrid), M. Peternell (Technische Universität Wien, Austria); topic:
offsets, conchoids, convolutions, and cissoids.
- Internal working meeting, 15-18 Octuber 2014 in Madrid (UPM); participants: L. Gonzalez-Vega (U. de Cantabria),
J. Sendra (UPM); tema: approximation of offsets that have been computed by values.
- Internal working meeting, October 16-17, 2014 at Ponferrada;
participants: F. Botana (U. of Vigo), T. Recio (U. of Cantabria);
topic: automatic computation of envelopes and loci in dynamic geometry contexts.
- Internal working meeting, 19-21 October 2014 at the Universidad de Extremadura (Mérida);
participants: J. R. Sendra and C. Villarino (U. de Alcalá), D. Sevilla (U. de Extremadura)
topics: Normal covers of surfaces of revolutions.
- Internal working meeting, 27 October 2014 at the Universidad de Alcalá (Madrid);
participants: T. Recio and L.F. Tabera (U. de Cantabría), J. R. Sendra and C. Villarino (U. de Alcalá); topic: Tubular and swung surfaces.
- Internal working meeting, 29 Octubre 2014 in Madrid (UPM); participants: L. Gonzalez-Vega (U. de Cantabria),
J. Sendra (UPM); topic: clusteres of approximated singularities of algebraic curves in the context of the approximate parametrization
problem.
-
IV Seminar on "Algorithm and Applications in Algebraic Geometry" (Alcalá de Henares, 26-28 November):
Meeting of coordination, evaluation and joint research work in the frame of the project; participants: basically,
all members of the project participated.
2013
-
II Seminar on "Algorithm and Applications in Algebraic Geometry" (Sigüenza 23-25 January, 2013):
Meeting of coordination, evaluation and joint research work in the frame of the project; participants: basically,
all members of the project participated.
- Internal working meeting, January 26-28 2013 at the Universidad de Alcalá and at the Universidad Politécnica de Madrid;
participants: M. Peternell (Technische Universität Wien, Austria), J. Sendra (Universidad Politécnica de Madrid), J.R. Sendra (Universidad
de Alcalá); topic: relation between offsets and conchoids.
- Internal working meeting, March 19 - 21, 2013 at Universidad de Cantabria; participants:
A. Montes (Universidad Politécnica de Cataluña), F. Botana (U. de Vigo), T. Recio (U. de Cantabria); topic: degeneracy conditions in the automatic computation of
geometric loci via Gröbner
Cover.
-
Internal working meeting, March 5-20 2013 at the Universidad de Cantabria; participants: Adamou Ibrahim, L. González-Vega and
M. Fioravanti; topic: Voronoi diagram of finite family of parallel semi-lines; related to goal 2.1.3.
- Internal working meetings, March 13th and 20th and April 2nd, 10th and 17th at the Department of Matemáticas,
Universidad Autónoma de Madrid; participants: Jorge Caravantes (U. Complutense de Madrid), Laureano Gonzalez-Vega (U. de Cantabria);
topic: close forms for the computations of distances between conics and cuadrics.
-
Internal working meeting, April 16th 2013 at the Universidad de Alcalá; participants: J.G. Alcázar (U. Alcalá),
J. Caravantes (U. Complutense de Madrid); topic: on the computation of the
convex hull of an algebraic curve.
- Internal working meeting, May 8-9, 2013 at Ponferrada; participants:
F. Botana (U. de Vigo), T. Recio (U. de Cantabria); topic: automatic computation of enveloppes, degeneracy conditions.
- Internal working meeting (inter-subprojects), at Sigüenza, 22-24 of May 2013;
participants: T.Recio (U. de Cantabria), J.R. Sendra (U. de Alcalá), L.F. Tabera (U. de Cantabria),
C. Villarino (U. de Alcalá); topic: ultraquadrics associated to linear automorphisms.
- Internal meeting (inter-subprojects), 27th May 2013, at the University of Alcalá; participants:
Jorge Caravantes (U. Complutense de Madrid), Carlos Hermoso
(external researcher; U. Alcalá) and Juan G. Alcázar (U. Alcalá); topic:
the problem of computing the convex hull of a rational planar curve.
- Internal working meeting, June 9-15th 2013, at the "Technische Universität Wien, Austria"; participants:
J. Sendra (U. Politécnica de Madrid), M. Peternell (Technische Universität Wien, Austria); topic: offsets, conochoids and pedal surfaces.
- Internal working meeting, June 10-12, 2013 at Universidad Politecnica de Catalunya;
participants: A. Montes (Universidad Politécnica de Cataluña),M. Abanades (CES Felipe II), F. Botana (U. de Vigo),
T. Recio (U. de Cantabria); topic: degeneracy conditions in the automatic computation of geometric loci via Gröbner Cover.
- Internal meeting (inter-subprojects), June 17-21th 2013, at the University of Alcalá; participants:
M. Fioravanti (U. de Cantabria) y J.R. Sendra (U. Alcalá); topic: rational parametrizations in geometric constructions with surfaces.
- Internal meeting, (1-3 of july 2013) at Murcia University; participants:
G.M. Díaz Toca (U. de Murcia) and J. Caravantes (U. Complutense de Madrid); topic: computation of the convex hull of an algebraic plane curve.
- Internal working meeting (25th june to 28 of june 2013) at the "Universidad de Alcalá"; paticipants:
J.R. Sendra (U. Alcalá), C. Villarino (U. Alcalá),
D. Sevilla (U. de Extremadura); topic: rational normal covering of rational surfaces.
- Internal working meeting (8-13 September 2013) at the "Universidad de Alcalá";
participants: J. Sendra (U. Politécnica de Madrid), M. Peternell (Technische Universität Wien, Austria), J.R. Sendra (U. Alcalá);
topic: rationality of cissoids.
- Internal meeting, August 28, 2013 in Celorio (Asturias); participants:
T. Recio (U. de Cantabria) and M. A. Abanades (U. Complutense de Madrid);
topic: article in process about automatic locus computation .
- Internal working meeting (inter-subprojects), at the Universidad de Burgos, 4-5 september 2013. Participants:
T.Recio (U. de Cantabria), J.R. Sendra (U. de Alcalá), L.F. Tabera (U. de Cantabria), C. Villarino (U. de Alcalá);
topic: Ultraquadrics associated to Linear automorphisms and swung surfaces
- Internal working meeting (inter-subprojects), at the Universidad de Burgos, 29th september and 1st october 2013.
Participants: J.R. Sendra (U. de Alcalá), L.F. Tabera (U. de Cantabria), C. Villarino (U. de Alcalá);
topic: swung surfaces and tubular surfaces
- Internal working meeting (20-22 october 2013) at the Mérida, "Universidad de Extramadura"; paticipants:
J.R. Sendra (U. Alcalá), C. Villarino (U. Alcalá),
D. Sevilla (U. de Extremadura); topic: normality of rational surface parametrizations.
- Internal meeting, October 23- 24, 2013 at University Complutense of Madrid.
Participants: M.A. Abanades (U. Complutense), F. Botana (U. of Vigo), topic: using QUEPCAD for automatic computation of plane bisectors.
- Internal meeting (inter-subprojects), November 6th 2013, at the University of Alcalá; participants:
M. Fioravanti (U. de Cantabria) y J.R. Sendra (U. Alcalá); topic: Algorithms for bisectors.
- Internal working meeting (25-30 November 2013) RICAM, Linz, Austria; paticipants:
J.R. Sendra (U. Alcalá), C. Villarino (U. Alcalá),
D. Sevilla (U. de Extremadura), F. Winkler (U. Linz); topics: (1) surjective rational surface parametrizations (2) algebraic differential ordinary equations.
- Internal working meeting to planify the tasks and activities for 2014 of the subproject-1, in Castro Urdiales,
15 december de 2013; participants: basically,
all members of the subproject-1 participated.
- III Seminar on "Algorithm and Applications in Algebraic Geometry"
CIEM, Castro Urdiales, 16-17 dicembre de 2013:
Meeting of coordination, evaluation and joint research work in the frame of the project; participants: basically,
all members of the project participated.
2012
-
Workshop on "Algorithms and Applications in Algebraic Geometry" at CIEM (January 2012).
This meeting was thought as the initial meeting of the project and there the actuation strategies of the project were analyzed and designed; basically,
all members of the project participated.
- Internal meeting, January 18 - 20, 2012 at Universidad de Alcalá; participants: M. Abánades (U. Complutense de Madrid), F. Botana (U. de Vigo),
J. Escribano (U. Complutense de Madrid), A. Montes (external researcher, U. Politécnica de Barcelona), T. Recio (U. de Cantabria),
Z. Kovacs (external researcher, U. J. Kepler de Linz), S. Weitzhofer (external researcher, U. J. Kepler de Linz); topic: study of parametric
polynomail systems, applications to problems in GeoGebra.
- Internal meeting, March 29, 30, 2012 at Universidad de Cantabria; participants:
J. Caravantes (U. Complutense de Madrid) and M. Fioravanti (U. de Cantabria); topic: topology of curves given by values.
- Internal meeting, April 2-7, 2012 at Universidad de Cantabria; participants: Gema M. Diaz-Toca (U. de Murcia),
Mario Fioravanti (U. de Cantabria) and Laureano González Vega (U. de Cantabria); topic: review of articles "Using implicit equations of
parametric curves and surfaces without computing them: Polynomial algebra by values" and "Computing the topology of a real algebraic plane
curve whose defining equations are available only by values".
- Internal working meeting (inter-subprojects), at Sigüenza, 16-18 of May 2012; participants: C. Andradas (external researcher, U. Complutense de Madrid),
T.Recio (U. de Cantabria), J.R. Sendra (U. de Alcalá), L.F. Tabera (U. de Cantabria), C. Villarino (U. de Alcalá); topic: ultraquadrics associated to surfaces of pseudo-revolution.
- Internal meeting, May 20 - 23, 2012 at Universidad de Cantabria; participants: all researchers of subproject-2 belonging to U. de Cantabria,
S. Basu (external researcher, U. Purdue), M.F. Roy (U. Rennes I); topic: study of real solutions for polynomial systems.
- Internal working meeting (inter-subprojects), at the Universidad de Murcia, 23-25 of May 2012; participants:
J.G. Alcazar (U. de Alcalá), G. Díaz (U. de Murcia); topic: topology of curves
- Internal meeting, June 13 - 15, 2012 at Universidad de Alcalá; participants: M. Abánades (U. Complutense de Madrid),
F. Botana (U. de Vigo), J. Escribano (U. Complutense de Madrid), T. Recio (U. de Cantabria), Z. Kovacs (external researcher, U. J. Kepler de Linz), S. Weitzhofer
(external researcher, U. J. Kepler de Linz); topic: study of parametric polynomial systems, remote solutions via servers fo GeoGebra.
- Coordination meeting at Alcalá de Henares, on june 14th 2012, of subproject-1; all members participated.
- Coordination meeting at Alcalá de Henares, on june 14th 2012, of subproject-2; basically all members participated.
- Internal meeting, July and August, 2012, at Universidad de Cantabria; participants: Gema M. Diaz-Toca (U. de Murcia) and
Ioana Necula (external researcher, U. de Sevilla); topic: Transformation from 3D cartesian coordinates to hyperbolic coordinates.
- Internal meeting, July 2012, at Universidad de Cantabria;
participating: Gema M. Diaz-Toca (U. de Murcia) and Mario Fioravanti
(U. de Cantabria); subject: Expressing Bezout's matrix and its
linearization (matrix pencil) in different bases, their properties and
applications to solving a system of two polynomial equations in two
variables.
- Internal working meeting, during July 2012, at Johannes Kepler Universität Linz (Austria); participants:
J.R. Sendra (U. de Alcalá) , F. Winkler (Johannes Kepler Universitär Linz, Austria), C. Ngo (external researcher, Quy Nhon University, Vietnam);
topic: study of differential orbit in the context of algebraic differential equations
- Internal working meeting, during the last week of July 2012, at RICAM (Austrian Academy of Sciences) Linz (Austria);
participants: J.R. Sendra (U. de Alcalá), J. Sendra (U. Politécnica de Madrid), D. Sevilla (external researcher, RICAM Austria; currently at Universidad de Extremadura),
M. Peternell (Technische Universität Wien, Austria);
topic: conchoids of surfaces, approximate parametrization of curves, and radical parametrizations.
- Internal working meeting (inter-subprojects), at the Universidad Complutense de Madrid, 2nd of septembre 2012; participants:
J. G. Alcázar (U. de Alcalá), J. Caravantes (U. Completense de Madrid), C. Hermoso (external researcher, U. de Alcalá); topic:
Convex hull of an algebraic curve.
- Internal meeting, September 11, 2012, in Llanes; participants: I. Adamou (member of subproject-2) and Rafael Losada (external expert)
topic: Geometric characterization of the bisector of two curves using GeoGebra with
the possibility of picking up a sufficient number of points near the curve.
- Internal meeting, September 11, 12, 13, 2012, at Universidad de
Murcia; participating: Jorge Caravantes (U. Complutense de Madrid) and
Gema M. Diaz-Toca (U. de Murcia); subject: Development of a method for
calculating the convex hull of a rational curve given in parametric
form and methods of solving systems of linear equations with
non-square matrix.
- Internal working meeting, during September 2012, at the Universidad de Alcalá; participants: J.R. Sendra (U. de Alcalá),
F. Winkler (Johannes Kepler Universitär Linz, Austria), G. Grasegger (external researcher, Johannes Kepler Universitär Linz, Austria);
topic: study of differential orbit and radical solutions of algebraic differential equations
- Internal meeting, September 18, 19, 2012 at Universidad de Cantabria; participants: J. Caravantes (U. Complutense de Madrid),
M. Fioravanti (U. de Cantabria) and Ioana Necula (via Skype) (external researcher, U. de Sevilla); topic: topology of curves given by values.
- Internal working meeting (inter-subprojects), at the Universidad de Burgos, 15-16 of october 2012; participants:
T.Recio (U. de Cantabria), J.R. Sendra (U. de Alcalá), L.F. Tabera (U. de Cantabria),
C. Villarino (U. de Alcalá); topic: ultraquadrics associated to linear automorphisms.
- Internal meeting, October 28- 29, 2012 at University of Alcalá. Participants: F. Botana (U. de Vigo),
T. Recio (U. de Cantabria); topic:
automatic theorem proving through Gröbner Cover.
- Internal meeting, December 11-21 2012 at the Universidad de Cantabria; participants: Adamou Ibrahim, L. González-Vega and M.
Fioravanti; topic: parametrization of the bisector of two disjoint surfaces of low degree. Realated to goal 2.1.3.
Coordination Meetings and Internal Working Meetings
(Last update: November 2014)
In the following we list several coodination meetings and internal working meetings, involving persons from different universities, located at different cities, within the same subproject or inter-subprojects.
- Internal working meeting, February 3-4, 2014 at the University of Alcalá; participants: F. Botana (U. de Vigo), T. Recio (U. de Cantabria); topic: automatic computation of enveloppes and loci in dynamic geometry contexts.
- Internal working meeting (inter-subprojects), February 18,19,20 2014 at Sigüenza; participants:J. R. Sendra and C. Villarino (U. de Alcalá), L.F. Tabera and T. Recio (U. de Cantabria); topic: state of the art on Goals 1.1.1 and 1.1.2
- Internal working meeting, March 13-14, 2014 at the Universidad de Alcalá; participants:J. R. Sendra y C. Villarino (U. de Alcalá), D. Sevilla (U. de Extremadura) topic: normal covering of revolution and ruled surfaces.
- Internal working meeting, 24-25 March 2014 in Ponferrada; participants: F. Botana (U. de Vigo), T. Recio (U. de Cantabria); topcic: automatic reasoning in geometry.
- Internal working meeting, April 6-9, 2014 at the University of Murcia. Participants: J.G. Alcázar (University of Alcala), Jorge Caravantes (Universidad Complutense, Madrid), Gema Díaz Toca (University of Murcia). Topic: computation of the convex hull of a rational plane curve.
- Internal working meeting, 12-21 May 2014 at the Universidad de Cantabria; participants: I. Adamou, M. Fioravanti; topic: topology of the bisector surface of two disjoint surfaces of low degree and parametrization of the "medial axis" of a closed surface of low degree; related to goal 2.1.3
- Internal working meeting (20-22 May, 2014) at the Universidad de Extremadura (Mérida); participants: J.R. Sendra (U. Alcalá), D. Sevilla (U. de Extremadura); topic: normal covering of ruled surfaces.
- Internal working meeting (9-10 june, 2014) at the Universidad de Alcalá and the Universidad Politécnica de Madrid; participants: J. Sendra (U. Politécnica de Madrid), J.R. Sendra (U. Alcalá), D. Sevilla (U. de Extremadura), C. Villarino (U. Alcalá); topic: goals 1.1.3 y 2.2.1.
- Internal working meeting (14-20 july, 2014) at the Universidad de Alcalá and the Universidad Politécnica de Madrid; participants: J. Sendra (U. Politécnica de Madrid), J.R. Sendra (U. Alcalá), M. Peternell (Technische Universität Wien, Austria); topic: algebro-geometric constructions in the frame of the goals 2.1.1 y 2.1.2.
- Internal working meeting, 31 July - 4 September 2014 at the Universidad de Cantabria; participants: G.M. Diaz (U. de Murcia) to work with L. Gonzalez-Vega (Universidad de Cantabria) and M. Fioravanti (Universidad de Cantabria).
- Internal working meeting, 2-3 September 2014 in Madrid (UCM); participants: L. Gonzalez-Vega (U. de Cantabria), J. Caravantes (UCM); topic: work on the paper "Solving positioning problems with minimal data", submitted to the journal GPS Solutions.
- Internal working meeting, 2-21 September 2013 at the Universidad de Cantabria; participants: I. Adamou to work with M. Fioravanti and L. González-Vega; topic: Voronoi diagram of a famly of half-lines in R3; related to goal 2.1.3.
- Internal working meeting, 4-10 Septiember 2014 in Madrid (UCM); participants: L. Gonzalez-Vega (U. de Cantabria), J. Caravantes (UCM); topic: work on the paper "A canonical form for the continuous piecewise polynomial functions", submitted to Applied Mathematics Letters.
- Internal working meeting, 10-12 September 2014 in Madrid (UCM); participants: L. Gonzalez-Vega (U. de Cantabria), J. Caravantes (UCM); topic: work on the paper "Computing the topology of an arrangement of plane curves".
- Internal working meeting 15-19 September 2014 in Madrid (UPM); participants: L. Gonzalez-Vega (U. de Cantabria), J. Sendra (UPM); topic: representation of offsets when the original input curve is given values.
- Internal working meeting, 21-23 September 2014 in Madrid (UCM); participants: L. Gonzalez-Vega (U. de Cantabria), J. Caravantes (UCM); topic: work on the paper "Towards a closed formula to determine the absolute factorization of plane curves".
- Internal working meeting, 24-25 de septiember 2014 in Madrid (UPM); participantes: L. Gonzalez-Vega (U. de Cantabria), J. Sendra (UPM); topic: clusteres of approximated singularities of algebraic curves in the context of the approximate parametrization problem.
- Reunión de trabajo interno, 25-29 Septiembre 2014 in Madrid (UCM); participantes: L. Gonzalez-Vega (U. de Cantabria), J. Caravantes (UCM); tema: búsqueda de soluciones cerradas "á la Cramer" para la resolución de sistemas de ecuaciones lineales paramétricos.
- Internal working meeting, 6-11 October 2014, at the "Technische Universität Wien, Austria"; participants: J. Sendra (U. Politécnica de Madrid), M. Peternell (Technische Universität Wien, Austria); topic: offsets, conchoids, convolutions, and cissoids.
- Internal working meeting, 15-18 Octuber 2014 in Madrid (UPM); participants: L. Gonzalez-Vega (U. de Cantabria), J. Sendra (UPM); tema: approximation of offsets that have been computed by values.
- Internal working meeting, October 16-17, 2014 at Ponferrada; participants: F. Botana (U. of Vigo), T. Recio (U. of Cantabria); topic: automatic computation of envelopes and loci in dynamic geometry contexts.
- Internal working meeting, 19-21 October 2014 at the Universidad de Extremadura (Mérida); participants: J. R. Sendra and C. Villarino (U. de Alcalá), D. Sevilla (U. de Extremadura) topics: Normal covers of surfaces of revolutions.
- Internal working meeting, 27 October 2014 at the Universidad de Alcalá (Madrid); participants: T. Recio and L.F. Tabera (U. de Cantabría), J. R. Sendra and C. Villarino (U. de Alcalá); topic: Tubular and swung surfaces.
- Internal working meeting, 29 Octubre 2014 in Madrid (UPM); participants: L. Gonzalez-Vega (U. de Cantabria), J. Sendra (UPM); topic: clusteres of approximated singularities of algebraic curves in the context of the approximate parametrization problem.
- IV Seminar on "Algorithm and Applications in Algebraic Geometry" (Alcalá de Henares, 26-28 November): Meeting of coordination, evaluation and joint research work in the frame of the project; participants: basically, all members of the project participated.
- II Seminar on "Algorithm and Applications in Algebraic Geometry" (Sigüenza 23-25 January, 2013): Meeting of coordination, evaluation and joint research work in the frame of the project; participants: basically, all members of the project participated.
- Internal working meeting, January 26-28 2013 at the Universidad de Alcalá and at the Universidad Politécnica de Madrid; participants: M. Peternell (Technische Universität Wien, Austria), J. Sendra (Universidad Politécnica de Madrid), J.R. Sendra (Universidad de Alcalá); topic: relation between offsets and conchoids.
- Internal working meeting, March 19 - 21, 2013 at Universidad de Cantabria; participants: A. Montes (Universidad Politécnica de Cataluña), F. Botana (U. de Vigo), T. Recio (U. de Cantabria); topic: degeneracy conditions in the automatic computation of geometric loci via Gröbner Cover.
- Internal working meeting, March 5-20 2013 at the Universidad de Cantabria; participants: Adamou Ibrahim, L. González-Vega and M. Fioravanti; topic: Voronoi diagram of finite family of parallel semi-lines; related to goal 2.1.3.
- Internal working meetings, March 13th and 20th and April 2nd, 10th and 17th at the Department of Matemáticas, Universidad Autónoma de Madrid; participants: Jorge Caravantes (U. Complutense de Madrid), Laureano Gonzalez-Vega (U. de Cantabria); topic: close forms for the computations of distances between conics and cuadrics.
- Internal working meeting, April 16th 2013 at the Universidad de Alcalá; participants: J.G. Alcázar (U. Alcalá), J. Caravantes (U. Complutense de Madrid); topic: on the computation of the convex hull of an algebraic curve.
- Internal working meeting, May 8-9, 2013 at Ponferrada; participants: F. Botana (U. de Vigo), T. Recio (U. de Cantabria); topic: automatic computation of enveloppes, degeneracy conditions.
- Internal working meeting (inter-subprojects), at Sigüenza, 22-24 of May 2013; participants: T.Recio (U. de Cantabria), J.R. Sendra (U. de Alcalá), L.F. Tabera (U. de Cantabria), C. Villarino (U. de Alcalá); topic: ultraquadrics associated to linear automorphisms.
- Internal meeting (inter-subprojects), 27th May 2013, at the University of Alcalá; participants: Jorge Caravantes (U. Complutense de Madrid), Carlos Hermoso (external researcher; U. Alcalá) and Juan G. Alcázar (U. Alcalá); topic: the problem of computing the convex hull of a rational planar curve.
- Internal working meeting, June 9-15th 2013, at the "Technische Universität Wien, Austria"; participants: J. Sendra (U. Politécnica de Madrid), M. Peternell (Technische Universität Wien, Austria); topic: offsets, conochoids and pedal surfaces.
- Internal working meeting, June 10-12, 2013 at Universidad Politecnica de Catalunya; participants: A. Montes (Universidad Politécnica de Cataluña),M. Abanades (CES Felipe II), F. Botana (U. de Vigo), T. Recio (U. de Cantabria); topic: degeneracy conditions in the automatic computation of geometric loci via Gröbner Cover.
- Internal meeting (inter-subprojects), June 17-21th 2013, at the University of Alcalá; participants: M. Fioravanti (U. de Cantabria) y J.R. Sendra (U. Alcalá); topic: rational parametrizations in geometric constructions with surfaces.
- Internal meeting, (1-3 of july 2013) at Murcia University; participants: G.M. Díaz Toca (U. de Murcia) and J. Caravantes (U. Complutense de Madrid); topic: computation of the convex hull of an algebraic plane curve.
- Internal working meeting (25th june to 28 of june 2013) at the "Universidad de Alcalá"; paticipants: J.R. Sendra (U. Alcalá), C. Villarino (U. Alcalá), D. Sevilla (U. de Extremadura); topic: rational normal covering of rational surfaces.
- Internal working meeting (8-13 September 2013) at the "Universidad de Alcalá"; participants: J. Sendra (U. Politécnica de Madrid), M. Peternell (Technische Universität Wien, Austria), J.R. Sendra (U. Alcalá); topic: rationality of cissoids.
- Internal meeting, August 28, 2013 in Celorio (Asturias); participants: T. Recio (U. de Cantabria) and M. A. Abanades (U. Complutense de Madrid); topic: article in process about automatic locus computation .
- Internal working meeting (inter-subprojects), at the Universidad de Burgos, 4-5 september 2013. Participants: T.Recio (U. de Cantabria), J.R. Sendra (U. de Alcalá), L.F. Tabera (U. de Cantabria), C. Villarino (U. de Alcalá); topic: Ultraquadrics associated to Linear automorphisms and swung surfaces
- Internal working meeting (inter-subprojects), at the Universidad de Burgos, 29th september and 1st october 2013. Participants: J.R. Sendra (U. de Alcalá), L.F. Tabera (U. de Cantabria), C. Villarino (U. de Alcalá); topic: swung surfaces and tubular surfaces
- Internal working meeting (20-22 october 2013) at the Mérida, "Universidad de Extramadura"; paticipants: J.R. Sendra (U. Alcalá), C. Villarino (U. Alcalá), D. Sevilla (U. de Extremadura); topic: normality of rational surface parametrizations.
- Internal meeting, October 23- 24, 2013 at University Complutense of Madrid. Participants: M.A. Abanades (U. Complutense), F. Botana (U. of Vigo), topic: using QUEPCAD for automatic computation of plane bisectors.
- Internal meeting (inter-subprojects), November 6th 2013, at the University of Alcalá; participants: M. Fioravanti (U. de Cantabria) y J.R. Sendra (U. Alcalá); topic: Algorithms for bisectors.
- Internal working meeting (25-30 November 2013) RICAM, Linz, Austria; paticipants: J.R. Sendra (U. Alcalá), C. Villarino (U. Alcalá), D. Sevilla (U. de Extremadura), F. Winkler (U. Linz); topics: (1) surjective rational surface parametrizations (2) algebraic differential ordinary equations.
- Internal working meeting to planify the tasks and activities for 2014 of the subproject-1, in Castro Urdiales, 15 december de 2013; participants: basically, all members of the subproject-1 participated.
- III Seminar on "Algorithm and Applications in Algebraic Geometry" CIEM, Castro Urdiales, 16-17 dicembre de 2013: Meeting of coordination, evaluation and joint research work in the frame of the project; participants: basically, all members of the project participated.
- Workshop on "Algorithms and Applications in Algebraic Geometry" at CIEM (January 2012). This meeting was thought as the initial meeting of the project and there the actuation strategies of the project were analyzed and designed; basically, all members of the project participated.
- Internal meeting, January 18 - 20, 2012 at Universidad de Alcalá; participants: M. Abánades (U. Complutense de Madrid), F. Botana (U. de Vigo), J. Escribano (U. Complutense de Madrid), A. Montes (external researcher, U. Politécnica de Barcelona), T. Recio (U. de Cantabria), Z. Kovacs (external researcher, U. J. Kepler de Linz), S. Weitzhofer (external researcher, U. J. Kepler de Linz); topic: study of parametric polynomail systems, applications to problems in GeoGebra.
- Internal meeting, March 29, 30, 2012 at Universidad de Cantabria; participants: J. Caravantes (U. Complutense de Madrid) and M. Fioravanti (U. de Cantabria); topic: topology of curves given by values.
- Internal meeting, April 2-7, 2012 at Universidad de Cantabria; participants: Gema M. Diaz-Toca (U. de Murcia), Mario Fioravanti (U. de Cantabria) and Laureano González Vega (U. de Cantabria); topic: review of articles "Using implicit equations of parametric curves and surfaces without computing them: Polynomial algebra by values" and "Computing the topology of a real algebraic plane curve whose defining equations are available only by values".
- Internal working meeting (inter-subprojects), at Sigüenza, 16-18 of May 2012; participants: C. Andradas (external researcher, U. Complutense de Madrid), T.Recio (U. de Cantabria), J.R. Sendra (U. de Alcalá), L.F. Tabera (U. de Cantabria), C. Villarino (U. de Alcalá); topic: ultraquadrics associated to surfaces of pseudo-revolution.
- Internal meeting, May 20 - 23, 2012 at Universidad de Cantabria; participants: all researchers of subproject-2 belonging to U. de Cantabria, S. Basu (external researcher, U. Purdue), M.F. Roy (U. Rennes I); topic: study of real solutions for polynomial systems.
- Internal working meeting (inter-subprojects), at the Universidad de Murcia, 23-25 of May 2012; participants: J.G. Alcazar (U. de Alcalá), G. Díaz (U. de Murcia); topic: topology of curves
- Internal meeting, June 13 - 15, 2012 at Universidad de Alcalá; participants: M. Abánades (U. Complutense de Madrid), F. Botana (U. de Vigo), J. Escribano (U. Complutense de Madrid), T. Recio (U. de Cantabria), Z. Kovacs (external researcher, U. J. Kepler de Linz), S. Weitzhofer (external researcher, U. J. Kepler de Linz); topic: study of parametric polynomial systems, remote solutions via servers fo GeoGebra.
- Coordination meeting at Alcalá de Henares, on june 14th 2012, of subproject-1; all members participated.
- Coordination meeting at Alcalá de Henares, on june 14th 2012, of subproject-2; basically all members participated.
- Internal meeting, July and August, 2012, at Universidad de Cantabria; participants: Gema M. Diaz-Toca (U. de Murcia) and Ioana Necula (external researcher, U. de Sevilla); topic: Transformation from 3D cartesian coordinates to hyperbolic coordinates.
- Internal meeting, July 2012, at Universidad de Cantabria; participating: Gema M. Diaz-Toca (U. de Murcia) and Mario Fioravanti (U. de Cantabria); subject: Expressing Bezout's matrix and its linearization (matrix pencil) in different bases, their properties and applications to solving a system of two polynomial equations in two variables.
- Internal working meeting, during July 2012, at Johannes Kepler Universität Linz (Austria); participants: J.R. Sendra (U. de Alcalá) , F. Winkler (Johannes Kepler Universitär Linz, Austria), C. Ngo (external researcher, Quy Nhon University, Vietnam); topic: study of differential orbit in the context of algebraic differential equations
- Internal working meeting, during the last week of July 2012, at RICAM (Austrian Academy of Sciences) Linz (Austria); participants: J.R. Sendra (U. de Alcalá), J. Sendra (U. Politécnica de Madrid), D. Sevilla (external researcher, RICAM Austria; currently at Universidad de Extremadura), M. Peternell (Technische Universität Wien, Austria); topic: conchoids of surfaces, approximate parametrization of curves, and radical parametrizations.
- Internal working meeting (inter-subprojects), at the Universidad Complutense de Madrid, 2nd of septembre 2012; participants: J. G. Alcázar (U. de Alcalá), J. Caravantes (U. Completense de Madrid), C. Hermoso (external researcher, U. de Alcalá); topic: Convex hull of an algebraic curve.
- Internal meeting, September 11, 2012, in Llanes; participants: I. Adamou (member of subproject-2) and Rafael Losada (external expert) topic: Geometric characterization of the bisector of two curves using GeoGebra with the possibility of picking up a sufficient number of points near the curve.
- Internal meeting, September 11, 12, 13, 2012, at Universidad de Murcia; participating: Jorge Caravantes (U. Complutense de Madrid) and Gema M. Diaz-Toca (U. de Murcia); subject: Development of a method for calculating the convex hull of a rational curve given in parametric form and methods of solving systems of linear equations with non-square matrix.
- Internal working meeting, during September 2012, at the Universidad de Alcalá; participants: J.R. Sendra (U. de Alcalá), F. Winkler (Johannes Kepler Universitär Linz, Austria), G. Grasegger (external researcher, Johannes Kepler Universitär Linz, Austria); topic: study of differential orbit and radical solutions of algebraic differential equations
- Internal meeting, September 18, 19, 2012 at Universidad de Cantabria; participants: J. Caravantes (U. Complutense de Madrid), M. Fioravanti (U. de Cantabria) and Ioana Necula (via Skype) (external researcher, U. de Sevilla); topic: topology of curves given by values.
- Internal working meeting (inter-subprojects), at the Universidad de Burgos, 15-16 of october 2012; participants: T.Recio (U. de Cantabria), J.R. Sendra (U. de Alcalá), L.F. Tabera (U. de Cantabria), C. Villarino (U. de Alcalá); topic: ultraquadrics associated to linear automorphisms.
- Internal meeting, October 28- 29, 2012 at University of Alcalá. Participants: F. Botana (U. de Vigo), T. Recio (U. de Cantabria); topic: automatic theorem proving through Gröbner Cover.
- Internal meeting, December 11-21 2012 at the Universidad de Cantabria; participants: Adamou Ibrahim, L. González-Vega and M. Fioravanti; topic: parametrization of the bisector of two disjoint surfaces of low degree. Realated to goal 2.1.3.