One Factorizations

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One-Factorizations

Author : W.D. Wallis
Publisher : Springer Science & Business Media
Page : 243 pages
File Size : 45,7 Mb
Release : 2013-04-17
Category : Computers
ISBN : 9781475725643

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One-Factorizations by W.D. Wallis Pdf

This book has grown out of graduate courses given by the author at Southern Illinois University, Carbondale, as well as a series of seminars delivered at Curtin University of Technology, Western Australia. The book is intended to be used both as a textbook at the graduate level and also as a professional reference. The topic of one-factorizations fits into the theory of combinatorial designs just as much as it does into graph theory. Factors and factorizations occur as building blocks in the theory of designs in a number of places. Our approach owes as much to design theory as it does to graph theory. It is expected that nearly all readers will have some background in the theory of graphs, such as an advanced undergraduate course in Graph Theory or Applied Graph Theory. However, the book is self-contained, and the first two chapters are a thumbnail sketch of basic graph theory. Many readers will merely skim these chapters, observing our notational conventions along the way. (These introductory chapters could, in fact, enable some instructors to Ilse the book for a somewhat eccentric introduction to graph theory.) Chapter 3 introduces one-factors and one-factorizations. The next two chapters outline two major application areas: combinatorial arrays and tournaments. These two related areas have provided the impetus for a good deal of study of one-factorizations.

Messenger of mathematics

Author : Anonim
Publisher : Unknown
Page : 208 pages
File Size : 47,7 Mb
Release : 1891
Category : Electronic
ISBN : BSB:BSB11652222

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Messenger of mathematics by Anonim Pdf

Groupoid Factorizations In The Semigroup Of Binary Systems

Author : Hiba F. Fayoumi
Publisher : Infinite Study
Page : 28 pages
File Size : 55,5 Mb
Release : 2024-07-01
Category : Mathematics
ISBN : 8210379456XXX

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Groupoid Factorizations In The Semigroup Of Binary Systems by Hiba F. Fayoumi Pdf

We introduce two methods of factorization for this binary system under the binary groupoid product in the semigroup. We conclude that a strong non-idempotent groupoid can be represented as a product of its similar- and signature- derived factors. Moreover, we show that a groupoid with the orientation property is a product of its orient- and skew- factors. These unique factorizations can be useful for various applications in other areas of study. Application to algebras such as B/BCH/BCI/BCK/BH/BI/d-algebra are widely given throughout this paper.

New Rudiments of Arithmetic

Author : James Bates Thomson
Publisher : Unknown
Page : 240 pages
File Size : 40,8 Mb
Release : 1873
Category : Arithmetic
ISBN : HARVARD:32044096998612

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New Rudiments of Arithmetic by James Bates Thomson Pdf

A School Algebra

Author : Simon Newcomb
Publisher : Unknown
Page : 302 pages
File Size : 52,9 Mb
Release : 1882
Category : Algebra
ISBN : HARVARD:32044097011266

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A School Algebra by Simon Newcomb Pdf

The popular educator

Author : Popular educator
Publisher : Unknown
Page : 848 pages
File Size : 44,5 Mb
Release : 1872
Category : Electronic
ISBN : OXFORD:600070136

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The popular educator by Popular educator Pdf

The Law Times Reports

Author : Anonim
Publisher : Unknown
Page : 952 pages
File Size : 46,8 Mb
Release : 1881
Category : Law reports, digests, etc
ISBN : OXFORD:555006406

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The Law Times Reports by Anonim Pdf

The American Gas Light Journal

Author : Anonim
Publisher : Unknown
Page : 972 pages
File Size : 47,7 Mb
Release : 1894
Category : Gas manufacture and works
ISBN : UOM:39015084615841

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The American Gas Light Journal by Anonim Pdf

The Maximal Factorizations of the Finite Simple Groups and Their Automorphism Groups

Author : Martin W. Liebeck,Cheryl E. Praeger,Jan Saxl
Publisher : American Mathematical Soc.
Page : 151 pages
File Size : 48,7 Mb
Release : 1990
Category : Mathematics
ISBN : 9780821824948

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The Maximal Factorizations of the Finite Simple Groups and Their Automorphism Groups by Martin W. Liebeck,Cheryl E. Praeger,Jan Saxl Pdf

Factorizations of finite groups as a product of two proper subgroups arise naturally in several areas of group theory, geometry, and applications. In this book, the authors determine all factorizations of the finite simple groups and their automorphism groups as a product of two maximal subgroups. The proof involved detailed study of the geometry of simple groups, and there is a substantial introductory section presenting this material.

The Journal of General Psychology

Author : Carl Murchison
Publisher : Unknown
Page : 544 pages
File Size : 44,6 Mb
Release : 1946
Category : Psychology
ISBN : IOWA:31858021537349

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The Journal of General Psychology by Carl Murchison Pdf

The Johns Hopkins University Circular

Author : Johns Hopkins University
Publisher : Unknown
Page : 128 pages
File Size : 42,5 Mb
Release : 1895
Category : Electronic
ISBN : UIUC:30112047419251

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The Johns Hopkins University Circular by Johns Hopkins University Pdf

Includes University catalogues, President's report, Financial report, etc.

Proof of the 1-Factorization and Hamilton Decomposition Conjectures

Author : Béla Csaba,Daniela Kühn,Allan Lo,Deryk Osthus,Andrew Treglown
Publisher : American Mathematical Soc.
Page : 164 pages
File Size : 48,8 Mb
Release : 2016-10-05
Category : 1-factorization
ISBN : 9781470420253

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Proof of the 1-Factorization and Hamilton Decomposition Conjectures by Béla Csaba,Daniela Kühn,Allan Lo,Deryk Osthus,Andrew Treglown Pdf

In this paper the authors prove the following results (via a unified approach) for all sufficiently large n: (i) [1-factorization conjecture] Suppose that n is even and D≥2⌈n/4⌉−1. Then every D-regular graph G on n vertices has a decomposition into perfect matchings. Equivalently, χ′(G)=D. (ii) [Hamilton decomposition conjecture] Suppose that D≥⌊n/2⌋. Then every D-regular graph G on n vertices has a decomposition into Hamilton cycles and at most one perfect matching. (iii) [Optimal packings of Hamilton cycles] Suppose that G is a graph on n vertices with minimum degree δ≥n/2. Then G contains at least regeven(n,δ)/2≥(n−2)/8 edge-disjoint Hamilton cycles. Here regeven(n,δ) denotes the degree of the largest even-regular spanning subgraph one can guarantee in a graph on n vertices with minimum degree δ. (i) was first explicitly stated by Chetwynd and Hilton. (ii) and the special case δ=⌈n/2⌉ of (iii) answer questions of Nash-Williams from 1970. All of the above bounds are best possible.