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Combinatorics Advances / edited by Charles J. Colbourn, Ebadollah S. Mahmoodian
(Mathematics and Its Applications ; 329)

データ種別 電子ブック
出版者 Boston, MA : Springer US
出版年 1995
本文言語 英語
大きさ XVI, 328 p : online resource

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EB0073352

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内容注記 1 On a Conjecture of A. Hartman
1 Notations and Preliminaries
2 The Structure of Trades
3 Block Size 3 and Strength 2
4 A Possible Approach to the Problem
5 The Case of Strength 2
6 Some Examples
7 Concluding Remarks
2 Some Problems in Total Graph Theory
1 Introduction and Preliminaries
2 Total Ramsey Numbers
3 Vertex Reconstructibility of Total Graphs
4 Edge Reconstructibility of Total Graphs
5 The Spectrum of Total Graphs
6 Groups, and Polynomials of Graphs
7 Relationships Between some Parameters of G and those of T(G)
8 Some Generalizations and Applications
9 Upper Bounds for x? (G)
10 Remarks
3 Construction Techniques for Mutually Orthogonal Latin Squares
1 Background
2 History and Small Orders
3 Pairwise balanced designs and Greig’s line-flip
4 Difference matrices: some direct constructions
5 A variant of Wilson’s theorem
6 Concluding remarks
4 The Spectrum of R-Orthogonal Latin Squares
1 Latin squares and r-orthogonality
2 Some basic constructions
3 Small sides
4 A GDD construction
5 Intermediate sides
5 General Theory of Translation Invariant Systems
1 Introduction
2 The Model
3 A Residuated Semigroup
4 Some Basic Questions
6 Some Mathematical Problems Arising in Molecular Bioinformatics: The Concept of Bioinformatics
1 Introduction
2 The concept of sequence space
3 The geometry of sequence space
4 Cluster analysis
5 Split decomposition
6 Concluding remark
7 An Algorithmic Approach to Tilings
8 A New Connection Between Convex Geometry and Threshold Logic
1 Introduction
2 Algorithmic Enumeration of Nonisomorphic Cut-Complexes and a Generation of Convex Polytopes
3 Geometric Properties
9 The Unity of Combinatorics
1 Introduction
2 Langford’s Problem
3 Skolem’s Problem
4 Beatty Sequences
5 Penrose Pieces
6 Wythoff’s Game
7 Triples satisfying x + y = z
8 Triples satisfying x + y = 2z
9 Coil diagrams
10 Squaring the square
11 Packing or covering the complete graph
12 Hanani’s cyclic Steiner systems
13 Perfect difference sets
14 Projective planes
15 Affine geometries
16 Magic squares
17 Kirkman’s schoolgirls problem
18 Heawood’s map on the torus
19 The toroidal thickness of the complete graph
20 Nim addition
21 Incidence matrices
22 Zarankiewicz’s problem
23 Error-correcting codes
24 Hadamard matrices
25 Cyclic Hadamard matrices
26 Factoring with quadratic forms
27 Projective geometries
28 Sphere packing
29 Mock Turtles
10 Unsolved Problems in Combinatorial Games
11 (F, 2)—Rotational Steiner Triple Systems
1 Introduction
2 Skolem Sequences
3 Constructions
4 Main Results
12 A Simple Polynomial Time Algorithm for a Convex Hull Problem Equivalent to Linear Programming
1 Introduction
2 The Algorithm
13 A Linear—Time Algorithm for Minimum Cost Flow on Undirected One—Trees
1 Introduction
2 The Algorithm
14 An Asymptotic Existence Result for Orthogonal Designs
1 Introduction
2 Basic Results
3 Main Results
15 Decomposition of Complete Tripartite Graphs Into 5-Cycles
1 Introduction
2 Necessary Conditions
3 An Application
4 Sufficiency of Conditions
5 Searching for a decomposition in other cases
16 The Nsm of a Graph
1 The New Stability Measure of a Graph (NSM)
2 NSM and Operations on Graphs
3 Hamilton Properties of NSM
17 Zero-Knowledge Proofs For Independent Set and Dominating Set Problems
1 Introduction
2 A Zero-Knowledge Proof for Independent set problem
3 A Zero-Knowledge Proof for Dominating set problem
18 Exploring the Spectrum of Values of Permanents by Simulated Annealing
1 The Permanent
2 Upper Bounds and Lower Bounds for the Permanent
3 Simulated Annealing
4 The Metropolis Algorithm
5 Results and Conclusions
19 Vector—Weighted Matchings
1 Introduction
2 Preliminaries
3 Preference Matchings
4 Preference Poly topes
5 The Set of Efficient Solutions
20 Directed Quadruple Designs
1 Introduction
2 Existence of 3-(v, 4, l)DDs
3 On the Existence of 3-(v, 4, 2)DDs
4 Some Small Cases (for ? = 2)
21 Bounding Two-Terminal Network Reliability Via Surface Duality
1 Introduction -- 2 Definitions -- 3 Results -- 4 Implementation -- 5 Examples -- 22 Defining Sets for Block Designs: An Update -- 1 Introduction -- 2 Some Theoretical Results -- 3 Finding Smallest Defining Sets in Small Designs -- 4 Defining Sets in Some Infinite Classes of Designs -- 23 Open Problems at the Combinatorics Workshop of Aimc25 (Tehran, 1994)
一般注記 On March 28~31, 1994 (Farvardin 8~11, 1373 by Iranian calendar), the Twenty­ fifth Annual Iranian Mathematics Conference (AIMC25) was held at Sharif University of Technology in Tehran, Islamic Republic of Iran. Its sponsors in~ eluded the Iranian Mathematical Society, and the Department of Mathematical Sciences at Sharif University of Technology. Among the keynote speakers were Professor Dr. Andreas Dress and Professor Richard K. Guy. Their plenary lec~ tures on combinatorial themes were complemented by invited and contributed lectures in a Combinatorics Session. This book is a collection of refereed papers, submitted primarily by the participants after the conference. The topics covered are diverse, spanning a wide range of combinatorics and al~ lied areas in discrete mathematics. Perhaps the strength and variety of the pa~ pers here serve as the best indications that combinatorics is advancing quickly, and that the Iranian mathematics community contains very active contributors. We hope that you find the papers mathematically stimulating, and look forward to a long and productive growth of combinatorial mathematics in Iran
著者標目 Colbourn, Charles J. editor
Mahmoodian, Ebadollah S. editor
SpringerLink (Online service)
件 名 LCSH:Mathematics
LCSH:Computer science -- Mathematics  全ての件名で検索
LCSH:Number theory
LCSH:Combinatorics
FREE:Mathematics
FREE:Combinatorics
FREE:Discrete Mathematics in Computer Science
FREE:Number Theory
分 類 DC23:511.6
巻冊次 ISBN:9781461335542 REFWLINK
ISBN 9781461335542
URL http://dx.doi.org/10.1007/978-1-4613-3554-2
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