On Homogeneous Graphs and Posets

On Homogeneous Graphs and Posets PDF Author: Jan Hubička
Publisher:
ISBN:
Category :
Languages : en
Pages : 19

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On Homogeneous Graphs and Posets

On Homogeneous Graphs and Posets PDF Author: Jan Hubička
Publisher:
ISBN:
Category :
Languages : en
Pages : 19

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Book Description


Homogeneous Ordered Graphs, Metrically Homogeneous Graphs, and Beyond: Volume 1, Ordered Graphs and Distanced Graphs

Homogeneous Ordered Graphs, Metrically Homogeneous Graphs, and Beyond: Volume 1, Ordered Graphs and Distanced Graphs PDF Author: Gregory Cherlin
Publisher: Cambridge University Press
ISBN: 1009229702
Category : Mathematics
Languages : en
Pages :

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Book Description
This is the first of two volumes by Professor Cherlin presenting the state of the art in the classification of homogeneous structures in binary languages and related problems in the intersection of model theory and combinatorics. Researchers and graduate students in the area will find in these volumes many far-reaching results and interesting new research directions to pursue. In this volume, Cherlin develops a complete classification of homogeneous ordered graphs and provides a full proof. He then proposes a new family of metrically homogeneous graphs, a weakening of the usual homogeneity condition. A general classification conjecture is presented, together with general structure theory and applications to a general classification conjecture for such graphs. It also includes introductory chapters giving an overview of the results and methods of both volumes, and an appendix surveying recent developments in the area. An extensive accompanying bibliography of related literature, organized by topic, is available online.

The Classification of Countable Homogeneous Directed Graphs and Countable Homogeneous $n$-tournaments

The Classification of Countable Homogeneous Directed Graphs and Countable Homogeneous $n$-tournaments PDF Author: Gregory L. Cherlin
Publisher: American Mathematical Soc.
ISBN: 9780821808368
Category : Mathematics
Languages : en
Pages : 188

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In this book, Ramsey theoretic methods introduced by Lachlan are applied to classify the countable homogeneous directed graphs. This is an uncountable collection, and this book presents the first explicit classification result covering an uncountable family. The author's aim is to demonstrate the potential of Lachlan's method for systematic use.

Asymptotic Geometric Analysis

Asymptotic Geometric Analysis PDF Author: Monika Ludwig
Publisher: Springer Science & Business Media
ISBN: 1461464064
Category : Mathematics
Languages : en
Pages : 402

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Book Description
Asymptotic Geometric Analysis is concerned with the geometric and linear properties of finite dimensional objects, normed spaces, and convex bodies, especially with the asymptotics of their various quantitative parameters as the dimension tends to infinity. The deep geometric, probabilistic, and combinatorial methods developed here are used outside the field in many areas of mathematics and mathematical sciences. The Fields Institute Thematic Program in the Fall of 2010 continued an established tradition of previous large-scale programs devoted to the same general research direction. The main directions of the program included: * Asymptotic theory of convexity and normed spaces * Concentration of measure and isoperimetric inequalities, optimal transportation approach * Applications of the concept of concentration * Connections with transformation groups and Ramsey theory * Geometrization of probability * Random matrices * Connection with asymptotic combinatorics and complexity theory These directions are represented in this volume and reflect the present state of this important area of research. It will be of benefit to researchers working in a wide range of mathematical sciences—in particular functional analysis, combinatorics, convex geometry, dynamical systems, operator algebras, and computer science.

Model Theoretic Methods in Finite Combinatorics

Model Theoretic Methods in Finite Combinatorics PDF Author: Martin Grohe
Publisher: American Mathematical Soc.
ISBN: 0821849433
Category : Mathematics
Languages : en
Pages : 529

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Book Description
This volume contains the proceedings of the AMS-ASL Special Session on Model Theoretic Methods in Finite Combinatorics, held January 5-8, 2009, in Washington, DC. Over the last 20 years, various new connections between model theory and finite combinatorics emerged. The best known of these are in the area of 0-1 laws, but in recent years other very promising interactions between model theory and combinatorics have been developed in areas such as extremal combinatorics and graph limits, graph polynomials, homomorphism functions and related counting functions, and discrete algorithms, touching the boundaries of computer science and statistical physics. This volume highlights some of the main results, techniques, and research directions of the area. Topics covered in this volume include recent developments on 0-1 laws and their variations, counting functions defined by homomorphisms and graph polynomials and their relation to logic, recurrences and spectra, the logical complexity of graphs, algorithmic meta theorems based on logic, universal and homogeneous structures, and logical aspects of Ramsey theory.

Combinatorics and Probability

Combinatorics and Probability PDF Author: Graham Brightwell
Publisher: Cambridge University Press
ISBN: 0521872073
Category : Mathematics
Languages : en
Pages : 27

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Book Description
This volume celebrating the 60th birthday of Béla Bollobás presents the state of the art in combinatorics.

Graph Symmetry

Graph Symmetry PDF Author: Gena Hahn
Publisher: Springer Science & Business Media
ISBN: 9401589372
Category : Mathematics
Languages : en
Pages : 434

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Book Description
The last decade has seen two parallel developments, one in computer science, the other in mathematics, both dealing with the same kind of combinatorial structures: networks with strong symmetry properties or, in graph-theoretical language, vertex-transitive graphs, in particular their prototypical examples, Cayley graphs. In the design of large interconnection networks it was realised that many of the most fre quently used models for such networks are Cayley graphs of various well-known groups. This has spawned a considerable amount of activity in the study of the combinatorial properties of such graphs. A number of symposia and congresses (such as the bi-annual IWIN, starting in 1991) bear witness to the interest of the computer science community in this subject. On the mathematical side, and independently of any interest in applications, progress in group theory has made it possible to make a realistic attempt at a complete description of vertex-transitive graphs. The classification of the finite simple groups has played an important role in this respect.

Finite and Infinite Combinatorics in Sets and Logic

Finite and Infinite Combinatorics in Sets and Logic PDF Author: Norbert W Sauer
Publisher: Springer Science & Business Media
ISBN: 9401120803
Category : Mathematics
Languages : en
Pages : 452

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Book Description
This volume contains the accounts of papers delivered at the Nato Advanced Study Institute on Finite and Infinite Combinatorics in Sets and Logic held at the Banff Centre, Alberta, Canada from April 21 to May 4, 1991. As the title suggests the meeting brought together workers interested in the interplay between finite and infinite combinatorics, set theory, graph theory and logic. It used to be that infinite set theory, finite combinatorics and logic could be viewed as quite separate and independent subjects. But more and more those disciplines grow together and become interdependent of each other with ever more problems and results appearing which concern all of those disciplines. I appreciate the financial support which was provided by the N. A. T. O. Advanced Study Institute programme, the Natural Sciences and Engineering Research Council of Canada and the Department of Mathematics and Statistics of the University of Calgary. 11l'te meeting on Finite and Infinite Combinatorics in Sets and Logic followed two other meetings on discrete mathematics held in Banff, the Symposium on Ordered Sets in 1981 and the Symposium on Graphs and Order in 1984. The growing inter-relation between the different areas in discrete mathematics is maybe best illustrated by the fact that many of the participants who were present at the previous meetings also attended this meeting on Finite and Infinite Combinatorics in Sets and Logic.

Structure of Partially Ordered Sets with Transitive Automorphism Groups

Structure of Partially Ordered Sets with Transitive Automorphism Groups PDF Author: Manfred Droste
Publisher: American Mathematical Soc.
ISBN: 0821823353
Category : Automorphisms
Languages : en
Pages : 109

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 PDF Author:
Publisher: IOS Press
ISBN:
Category :
Languages : en
Pages : 6097

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