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Catalogue Information
Field name	Details
Dewey Class	511.6
Title	An Introduction to Convex Polytopes ([EBook] /) / by Arne Brøndsted.
Author	Brøndsted, Arne
Other name(s)	SpringerLink (Online service)
Publication	New York, NY : : Springer New York : : Imprint: Springer, , 1983.
Physical Details	VIII, 162 p. : online resource.
Series	Graduate texts in mathematics 0072-5285 ; ; 90
ISBN	9781461211488
Summary Note	The aim of this book is to introduce the reader to the fascinating world of convex polytopes. The highlights of the book are three main theorems in the combinatorial theory of convex polytopes, known as the Dehn-Sommerville Relations, the Upper Bound Theorem and the Lower Bound Theorem. All the background information on convex sets and convex polytopes which is m~eded to under stand and appreciate these three theorems is developed in detail. This background material also forms a basis for studying other aspects of polytope theory. The Dehn-Sommerville Relations are classical, whereas the proofs of the Upper Bound Theorem and the Lower Bound Theorem are of more recent date: they were found in the early 1970's by P. McMullen and D. Barnette, respectively. A famous conjecture of P. McMullen on the charac terization off-vectors of simplicial or simple polytopes dates from the same period; the book ends with a brief discussion of this conjecture and some of its relations to the Dehn-Sommerville Relations, the Upper Bound Theorem and the Lower Bound Theorem. However, the recent proofs that McMullen's conditions are both sufficient (L. J. Billera and C. W. Lee, 1980) and necessary (R. P. Stanley, 1980) go beyond the scope of the book. Prerequisites for reading the book are modest: standard linear algebra and elementary point set topology in [R1d will suffice.:
Contents note	1 Convex Sets -- A7;1. The Affine Structure of ?d -- A7;2. Convex Sets -- A7;3. The Relative Interior of a Convex Set -- A7;4. Supporting Hyperplanes and Halfspaces -- A7;5. The Facial Structure of a Closed Convex Set -- A7;6. Polarity -- 2 Convex Polytopes -- A7;7. Polytopes -- A7;8. Polyhedral Sets -- A7;9. Polarity of Polytopes and Polyhedral Sets -- A7;10. Equivalence and Duality of Polytopes -- A7;11. Vertex-Figures -- A7;12. Simple and Simplicial Polytopes -- A7;13. Cyclic Polytopes -- A7;14. Neighbourly Polytopes -- A7;15. The Graph of a Polytope -- 3 Combinatorial Theory of Convex Polytopes -- A7;16. Eulerߣs Relation -- A7;17. The Dehn-Sommerville Relations -- A7;18. The Upper Bound Theorem -- A7;19. The Lower Bound Theorem -- A7;20. McMullenߣs Conditions -- Appendix 1 Lattices -- Appendix 2 Graphs -- Appendix 3 Combinatorial Identities -- Bibliographical Comments -- List of Symbols.
System details note	Online access to this digital book is restricted to subscription institutions through IP address (only for SISSA internal users)
Internet Site	http://dx.doi.org/10.1007/978-1-4612-1148-8
Links to Related Works	Subject References: Combinatorics . Mathematics . Authors: Brøndsted, Arne . Corporate Authors: SpringerLink (Online service) . Series: Graduate texts in mathematics . GTM . Classification: 511.6 .

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An Introduction to Convex Polytopes

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