Konferenzen zum Thema Graphentheorie und Kombinatorik in den Vereinigten Staaten (USA)

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1
Summer Graduate School: Positivity Questions in Geometric Combinatorics
10. Jun 2017 - 21. Jul 2017 • Mathematical Sciences Research Institute, Berkeley, Vereinigte Staaten
Zusammenfassung:
McMullen's g-Conjecture from 1970 is a shining example of mathematical foresight that combined all results available at that time to conjure a complete characterization of face numbers of convex simple/simplicial polytopes. The key statement in its verification is that certain combinatorial numbers associated to geometric (or topological) objects are non-negative. The aim of this workshop is to introduce graduate students to selected contemporary topics in geometric combinatorics with an emphasis on positivity questions. It is fascinating that the dual notions of simple and simplicial polytopes lead to different but equally powerful algebraic frameworks to treat such questions. A key feature of the lectures will be the simultaneous development of these algebraic frameworks from complementary perspectives: combinatorial-topological and convex geometric.
Eintrags-ID:
835184
2
Geometric and Topological Combinatorics
14. Aug 2017 - 15. Dez 2017 • Mathematical Sciences Research Institute, Berkeley, Vereinigte Staaten
Zusammenfassung:
Combinatorics is one of the fastest growing areas in contemporary Mathematics,and much of this growth is due to the connections and interactions with other areas of Mathematics. This program is devoted to the very vibrant and active area of interaction between Combinatorics with Geometry and Topology. That is, we focus on (1) the study of the combinatorial properties or structure of geometric and topological objects and (2) the development of geometric and topological techniques to answer combinatorial problems. Key examples of geometric objects with intricate combinatorial structure are point configurations and matroids, hyperplane and subspace arrangements, polytopes and polyhedra, lattices, convex bodies, and sphere packings. Examples of topology in action answering combinatorial challenges are the by now classical Lovasz's solution of the Kneser conjecture, which yielded functorial approaches to graph coloring, and the more recent, extensive topological machinery.
Eintrags-ID:
832194
3
Introductory Workshop: Geometric and Topological Combinatorics
05. Sep 2017 - 08. Sep 2017 • Mathematical Sciences Research Institute, Berkeley, Vereinigte Staaten
Zusammenfassung:
The introductory workshop will present the main topics that will be the subject of much of the Geometric and Topological Combinatorics Program at MSRI. Key areas of interest are point configurations and matroids, hyperplane and subspace arrangements, polytopes and polyhedra, lattices, convex bodies, and sphere packings. This workshop will consist of introductory talks on a variety of topics, intended for a broad audience.
Eintrags-ID:
881618
Verwandte Fachgebiete:
4
Geometric and Topological Combinatorics: Modern Techniques and Methods
09. Okt 2017 - 13. Okt 2017 • Mathematical Sciences Research Institute, Berkeley, Vereinigte Staaten
Zusammenfassung:
This workshop will focus on the interaction between Combinatorics, Geometry and Topology, including recent developments and techniques in areas such as: polytopes and cell complexes; simplicial complexes and higher order graph theory; methods from equivariant topology and configuration spaces; geometric combinatorics in optimization and social choice theory; algebraic and algebro-geometric methods.
Eintrags-ID:
832243
Verwandte Fachgebiete:
5
ANALCO18 — Analytic Algorithmics and Combinatorics
08. Jan 2018 - 09. Jan 2018 • Astor Crowne Plaza - New Orleans French Quarter, N, Vereinigte Staaten
Zusammenfassung:
The aim of ANALCO is to provide a forum for the presentation of original research in the analysis of algorithms and associated combinatorial structures. We invite both papers that study properties of fundamental combinatorial structures that arise in practical computational applications (such as permutations, trees, strings, tries, and graphs) and papers that address the precise analysis of algorithms for processing such structures, including: average-case analysis; analysis of moments, extrema, and distributions; probabilistic analysis of randomized algorithms, and so on. Submissions that present significant new information about classic algorithms are welcome, as are new analyses of new algorithms that present unique analytic challenges. We also invite submissions that address tools and techniques for the analysis of algorithms and combinatorial structures, both mathematical and computational. The scientific program will include invited talks, contributed research papers, and ample time for discussion and debate of topics in this area.
Eintrags-ID:
881742
6
FPSAC 2018 — International Conference on Formal Power Series and Algebraic Combinatorics
16. Jul 2018 - 20. Jul 2018 • Dartmouth College, Hanover, NH, Vereinigte Staaten
Zusammenfassung:
The 30th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC) will take place at Dartmouth College in Hanover, NH in 2018. Topics include all aspects of combinatorics and their relations with other parts of mathematics, physics, computer science, and biology. The conference will include invited lectures, contributed presentations, poster sessions, and software demonstrations.
Eintrags-ID:
832387
Webseite:

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