OGTCG Seminars and Courses

Selecting, organizing and sequencing mathematical knowledge using graph. theory
Angélica Martínez Zarzuelo, Universidad Complutense de Madrid, Spain
2017-01-31

Mixed-Integer Second-Order Cone Optimization (MISOCO): Disjunctive Conic Cuts (DCCs). and Portfolio Models
Tamás Terlaky, Lehigh University, Bethlehem, PA, USA.
2017-02-24

Recent progress on infinite dimensional compressed sensing
Matteo Santacesaria
2017-09-20

On graphs with maximum spread
María Robbiano
2017-11-29

Applications of Estrada indices and energy to a family of compound graphs
Bernardo San Martin
2017-12-06

On the determinants of modified Bessel functions and entire solutions of double confluent Heun equations
Alexey Glutsyuk, Ecole Normale Superieure de Lyon (France)
2016-01-08

Workshop "Operations Research in a Modern World"
Prof. G.-W. Weber, Institute of Applied Mathematics, Mid-East Technical University, Ankara, Turkey
From 2016-03-29 to 2016-03-30

The additive energy and the eigenvalues
Ilya Shkredov, Steklov Institute of Mathematics, Moscow
2016-04-06

My favourite problems in. Diophantine approximation
Oleg German, Moscow State University
2016-06-17

Toeplitz nonnegative matrices with prescribed spectrum
Ricardo L. Soto, Universidad Católica del Norte, Antofagasta, Chile
2016-10-19

A tight waist inequality for the ball and other spaces
R. Karasev, Moscow Institute of Physics and Technology (Moscow, Russia), A. Akopyan, Institute of Science and Technology Austria (Vienna, Austria)
2016-11-30

SIMULATION-BASED APPROACH TO STOCHASTIC BILEVEL PROGRAMS
Leonidas Sakalauskas, Vilnius University, Institute of Mathematics and Informatics, Vilnius, Lithuania
2015-03-18

Distance geometry and discretization orders
Antonio Mucherino, IRISA, University of Rennes
2015-05-21

Majorization, (0,1)-matrices and Laplacian energy
Geir Dahl, Department of Mathematics, University of Oslo
2015-05-27

Tight Formulations for on/off polytopes
Laurence A. Wolsey, Centre for Operations Research and Econometrics
2015-06-03

TWO-STEP-SDP APPROACH TO CLUSTERING AND DIMENSIONALITY REDUCTION
Eloisa Macedo, CIDMA, Universidade de Aveiro
2015-06-05

O esqueleto de politopos de grafos conexos com ciclos
Liliana Costa
2015-07-20

Motion of a rigid body in a viscous fluid with collisions
Nikolai Chemetov
2014-01-24

Heuristics for Stochastic and Dynamic. Maritime Routing and Scheduling. Problems
Lars Magnus Hvattum
2014-01-29

The multiplicity of 1 as a Laplacian eigenvalue of graphs
Oscar Rojo
2014-09-12

Nonnegative inverse elementar divisors problem
Ricardo L. Soto
2014-09-26

Inverse elementar problem for M-matrices
Mario Salas García
2014-10-01

On a conjecture of V. Nikiforov: A paper of Peter Csikvari
María Robbiano
2014-10-29

Exposed solutions to differential inclusions
Vladimir V. Goncharov
2013-01-15

Sopesando a Ratoeira dos Pesos em Análise Multicritério
João Clímaco
2013-01-25

Robust combinatorial optimization with cost uncertainty
Michael Poss, Universit de Technologie de Compiegne
2013-03-20

Deciding WQO for factorial languages
Vadim V. Lozin, Mathematics Institute, University of Warwick, UK
2013-04-15

Blocking of geodesics and other stories
Eugene Gutkin, Nicolaus Copernicus University, Torun, Poland
2013-04-29

Métodos Aleatórios em Matemática Discreta
Jerzy Szymanski, Universidade de Adam Mickiewicz, Poznan, Polónia
2013-05-02

Avaliação multicritério de docentes universitários: o caso do modelo adoptado pelo IST
Carlos Bana e Costa e Mónica Duarte Oliveira, IST
2013-05-03

Generic multiplicities of the spectrum for families of operators
Lennie Friedlander, University of Arizona
2013-05-15

Auto-programação num ambiente sem memória própria
Bogdan Kulyk, aluno de Mestrado de Eng. Física da UA
2013-05-24

Matrices nonnegative with prescribed spectrum and elementary divisors
Hans Nina Hooper, Departament of Mathematics, Universidad Católica del Norte, Antofagasta, Chile
2013-07-12

Maximizing the Laplacian and Adjacency Indexes of a Class of Caterpillars
Oscar Rojo, Departamento de Matematicas, Universidad Catolica del Norte, Antofagasta, Chile
2013-09-27

La Matriz Cuello de Botella y el Caterpillar con mayor conectividad algebraica
Luis Medina C., Departamento de Matemáticas, Facultad de Ciencias Básicas, Universidad de Antofagasta, Antofagasta, Chile.
2013-09-30

Constructing doubly stochastic matrices with prescribed elementary divisors
Ricardo L. Soto, Departamento de Matematicas, Universidad Catolica del Norte, Antofagasta, Chile
2013-10-02

On the Circumcenter of Mass
Arseniy Akopyan, Institute for Information Transmission Problems of Russian, Academy of Sciences
2013-10-04

On a problem in navigation
Oleg German
2013-10-11

Squares with swings, or Fermat-Euler theorem about prime numbers as sums of two squares
Alexander Spivak
2013-11-07

Global Convergence Properties of Random Search Algorithms
Vaida Bartkute-Norkuniene, Vilnius University, Institituto de Matemática e Informática, Vilnius, Lithuania.
2012-01-30

The Discretizable Molecular Distance Geometry Problem
Carlile Lavor, UNICAMP, Brasil
2012-03-02

Connecting Red Cells in a Bicolor Voronoi Diagram
Inês Matos, Universidade de Aveiro.
2012-03-09

Diophantine approximation and Dynamical systems
Nikolay G. Moshchevitin, Moscow State University
From 2012-05-02 to 2012-05-04

Conteúdos interativos e multimédia associados a um sistema de treino e avaliação online em Matemática
Rui Paiva, Escola Superior de Tecnologia e Gestão, Instituto Politécnico de Leiria
2012-06-11

Conversão de sistemas binários em sistemas decimais com recurso a uma linguagem tipo "Máquina de Turing"
Ricardo Santos, Escola Mário Sacramento, Aveiro
2012-07-06

Two lessons on evolutes and involutes for curves in space
Dmitry Fuchs, University of California, Davis
From 2012-07-20 to 2012-07-23

Integral graphs as copies of a bipartite integral circulant graph
Oscar Rojo
2012-10-16

On transference principle
Oleg German
2012-10-29

Stability in Non-Hyperbolic Dynamics and Applications Non-Smooth Mechanics
Sergey Kryzhevich
2012-11-29

Regular OGTC Seminar. From 2011-01-01 to 2011-12-31

From 2011-01-01 to 2011-12-31

Geometric Computing Applied to Network Optimization and Air Traffic Management
Prof. Joseph S. B. Mitchell
From 2011-01-18 to 2011-01-21

8th Iberian Workshop on Computational Geometry
Joseph S.B. Mitchell (State University of New York at Stony Brook), Vera Sacristán (Universitat Politècnica de Catalunya)
From 2011-01-24 to 2011-01-26

Correspondence between tropical, linear algebra and game theory
Alexander Guterman (Moscow State University)
2011-04-08

Recobrimento de sólidos por esferas de diâmetros diferentes
Nelson Maculan, Universidade Federal do Rio de Janeiro
2011-04-20

Location-routing problems of semi-obnoxious facilities: an interactive method
Rui Borges Lopes, DEGEI, Universidade de Aveiro
2011-05-20

Benders decomposition for the. hop-constrainted survivable network design problem
Bernard Fortz, Université Libre de Bruxelles, Graphs and Mathematical Optimization Group
2011-05-25

Art Gallery Problems
Sergey Bereg, University of Texas at Dallas (USA)
2011-06-16

International Workshop on. Computational Geometry

From 2011-06-20 to 2011-06-23

4th International Workshop on. Combinatorial Geometry

From 2011-07-04 to 2011-07-08

Ordering of trees via algebraic connectivity
Cláudia Justel, Instituto Militar de Engenharia, RJ, Brasil
2011-07-12

MEASURES OF IRREGULARITY IN GRAPHS
Nair Abreu, Universidade Federal do Rio de Janeiro, RJ, Brasil
2011-07-14

A numerical procedure to compute tight upper bounds on the algebraic connectivity of certain graphs
Oscar Rojo
2011-09-09

Locating the eigenvalues of trees
Vilmar Trevisan
2011-10-06

Coloração de grafos: resultados teóricos e aplicações
Clicia Valladares Friedmann
2011-10-21

Regular OGTC Seminar

From 2010-01-01 to 2010-12-31

Distances in Graphs: Theory and Applications
Ivan Gutman, University of Kragujevac, Serbia.
2010-04-26

Some matrices associated to digraphs and applications to Laplacian. energy
Maria Robbiano, Universidad Catolica del Norte, Antofagasta, Chile.
2010-04-27

Short course on Extended Formulations: Theory and Practice
Laurence A. Wolsey, Université Catholique de Louvain, Belgium
2010-05-26

Extended Formulations: Theory and Practice
Laurence A. Wolsey
2010-05-26

Some new results on the spectral radius of graphs
Slobodan K., Simic, Mathematical Institute SANU, Belgrade, Serbia.
2010-06-16

Helmholtz Equation in Networks of Thin Fibers (and Slowing Down of. the Light)
Boris R. Vainberg, University of North Carolina at Charlotte, USA.
2010-06-23

Discretization of the Molecular Distance Geometry Problem by. defining artificial orderings on the molecule
Carlile Campos Lavor, IMECC/Unicamp, Brasil.
2010-09-17

Nonnegative inverse eigenvalue problem
Ricardo L. Soto, Universidad Católica del Norte, Antofagasta, Chile.
2010-10-08

Branching diffusion on Riemannian manifolds
Mark Kelbert, Swansea University, UK.
2010-10-13

Billiards with pockets
G. Galperin, Eastern Illinois, University, USA.
2010-10-15

Extremizing the algebraic connectivity of caterpillars
Oscar, Rojo, Universidad Cat olica del Norte, Antofagasta, Chile.
2010-10-18

The maximum k-balanced subgraph problem
Rosa M. Videira de, Figueiredo, University of Aveiro, Portugal.
2010-10-29

Explosive Percolation Problem in Graph Theory
Sergey, Dorogovtsev, University of Aveiro.
2010-11-05

Finiteness in the Card Game of War
Evgeny Lakshtanovy, University of Aveiro and Vera Roshchina, University of Évora.
2010-11-12