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Author : Paul Feit
Publisher :
ISBN 13 :
Total Pages : 107 pages
Book Rating : 4.:/5 (437 download)
Download or read book Axiomatization of Passage from "local" Structure to "global" Object written by Paul Feit and published by . This book was released on 1993 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Paul Feit
Publisher : American Mathematical Soc.
ISBN 13 : 0821825461
Total Pages : 121 pages
Book Rating : 4.8/5 (218 download)
Download or read book Axiomization of Passage from `Local' Structure to `Global' Object written by Paul Feit and published by American Mathematical Soc.. This book was released on 1993 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper offers a systematic approach to all mathematical theories with local/global behavior. To build objects with local and global aspects, on begins with a category of [script]C of allowed local structures, and somehow derives a category [script]C[superscript]gl of things which are 'locally' in [script]C. Some global objects, such as manifolds or schemes, can be represented as a sheaf of algebras on a topological base space; others, like algebraic spaces, are more technical. These theories share common structure--certain theorems on inverse limits, descent, and dependence on special class of morphism appear in all cases. Yet, classical proofs for universal properties proceed by case-by-case study. Separate examples require distinct arguments.
Author : Paul Feit
Publisher : American Mathematical Soc.
ISBN 13 : 9780821862087
Total Pages : 126 pages
Book Rating : 4.8/5 (62 download)
Download or read book Axiomization of Passage from "local" Structure to "global" Object written by Paul Feit and published by American Mathematical Soc.. This book was released on 1993-01-01 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Requiring only familiarity with the terminology of categories, this book will interest algebraic geometers and students studying schemes for the first time. Feit translates the geometric intuition of local structure into a purely categorical format, filling a gap at the foundations of algebraic geometry. The main result is that, given an initial category ${\cal C $ of ''local'' objects and morphisms, there is a canonical enlargement of ${\cal C $ to a category ${\cal C {gl $ which contains all ''global'' objects whose local structure derives from ${\cal C $ and which is functorially equivalent to the traditional notion of ''global objects''. Using this approach, Feit unifies definitions for numerous technical objects of algebraic geometry, including schemes, Tate's rigid analytic spaces, and algebraic spaces.
Author : Igor Frenkel
Publisher : American Mathematical Soc.
ISBN 13 : 0821825550
Total Pages : 79 pages
Book Rating : 4.8/5 (218 download)
Download or read book On Axiomatic Approaches to Vertex Operator Algebras and Modules written by Igor Frenkel and published by American Mathematical Soc.. This book was released on 1993 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: The basic definitions and properties of vertex operator algebras, modules, intertwining operators and related concepts are presented, following a fundamental analogy with Lie algebra theory. The first steps in the development of the general theory are taken, and various natural and useful reformulations of the axioms are given. In particular, tensor products of algebras and modules, adjoint vertex operators and contragradient modules, adjoint intertwining operators and fusion rules are studied in greater depth. This paper lays the monodromy-free axiomatic foundation of the general theory of vertex operator algebras, modules and intertwining operators.
Author : Maria del Rosario Gonzalez-Dorrego
Publisher : American Mathematical Soc.
ISBN 13 : 0821825747
Total Pages : 114 pages
Book Rating : 4.8/5 (218 download)
Download or read book $(16,6)$ Configurations and Geometry of Kummer Surfaces in ${\mathbb P}^3$ written by Maria del Rosario Gonzalez-Dorrego and published by American Mathematical Soc.. This book was released on 1994 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: The philosophy of the first part of this work is to understand (and classify) Kummer surfaces by studying (16, 6) configurations. Chapter 1 is devoted to classifying (16, 6) configurations and studying their manifold symmetries and the underlying questions about finite subgroups of [italic capitals]PGL4([italic]k). In chapter 2 we use this information to give a complete classification of Kummer surfaces together with explicit equations and the explicit description of their singularities.
Author : John Roe
Publisher : American Mathematical Soc.
ISBN 13 : 0821825593
Total Pages : 106 pages
Book Rating : 4.8/5 (218 download)
Download or read book Coarse Cohomology and Index Theory on Complete Riemannian Manifolds written by John Roe and published by American Mathematical Soc.. This book was released on 1993 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: "July 1993, volume 104, number 497 (fourth of 6 numbers)."
Author : Shirō Gotō
Publisher : American Mathematical Soc.
ISBN 13 : 0821825844
Total Pages : 149 pages
Book Rating : 4.8/5 (218 download)
Download or read book The Cohen-Macaulay and Gorenstein Rees Algebras Associated to Filtrations written by Shirō Gotō and published by American Mathematical Soc.. This book was released on 1994 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: At first, this volume was intended to be an investigation of symbolic blow-up rings for prime ideals defining curve singularities. The motivation for that has come from the recent 3-dimensional counterexamples to Cowsik's question, given by the authors and Watanabe: it has to be helpful, for further researches on Cowsik's question and a related problem of Kronecker, to generalize their methods to those of a higher dimension. However, while the study was progressing, it proved apparent that the framework of Part I still works, not only for the rather special symbolic blow-up rings but also in the study of Rees algebras R(F) associated to general filtrations F = {F[subscript]n} [subscript]n [subscript][set membership symbol][subscript bold]Z of ideals. This observation is closely explained in Part II of this volume, as a general ring-theory of Rees algebras R(F). We are glad if this volume will be a new starting point for the further researchers on Rees algebras R(F) and their associated graded rings G(F).
Author : Kevin W. J. Kadell
Publisher : American Mathematical Soc.
ISBN 13 : 0821825526
Total Pages : 93 pages
Book Rating : 4.8/5 (218 download)
Download or read book A Proof of the $q$-Macdonald-Morris Conjecture for $BC_n$ written by Kevin W. J. Kadell and published by American Mathematical Soc.. This book was released on 1994 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: Macdonald and Morris gave a series of constant term [italic]q-conjectures associated with root systems. Selberg evaluated a multivariable beta-type integral which plays an important role in the theory of constant term identities associated with root systems. K. Aomoto recently gave a simple and elegant proof of a generalization of Selberg's integral. Kadell extended this proof to treat Askey's conjectured [italic]q-Selberg integral, which was proved independently by Habsieger. We use a constant term formulation of Aomoto's argument to treat the [italic]q-Macdonald-Morris conjecture for the root system [italic capitals]BC[subscript italic]n. We show how to obtain the required functional equations using only the q-transportation theory for [italic capitals]BC[subscript italic]n.
Author : Stanley O. Kochman
Publisher : American Mathematical Soc.
ISBN 13 : 0821825585
Total Pages : 105 pages
Book Rating : 4.8/5 (218 download)
Download or read book Symplectic Cobordism and the Computation of Stable Stems written by Stanley O. Kochman and published by American Mathematical Soc.. This book was released on 1993 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: This memoir consists of two independent papers. In the first, "The symplectic cobordism ring III" the classical Adams spectral sequence is used to study the symplectic cobordism ring [capital Greek]Omega[superscript]* [over] [subscript italic capital]S[subscript italic]p. In the second, "The symplectic Adams Novikov spectral sequence for spheres" we analyze the symplectic Adams-Novikov spectral sequence converging to the stable homotopy groups of spheres.
Author : Roger D. Nussbaum
Publisher : American Mathematical Soc.
ISBN 13 : 0821824546
Total Pages : 148 pages
Book Rating : 4.8/5 (218 download)
Download or read book Hilbert's Projective Metric and Iterated Nonlinear Maps written by Roger D. Nussbaum and published by American Mathematical Soc.. This book was released on 1988 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Oscar Zariski
Publisher : American Mathematical Soc.
ISBN 13 : 082181205X
Total Pages : 99 pages
Book Rating : 4.8/5 (218 download)
Download or read book Theory and Applications of Holomorphic Functions on Algebraic Varieties over Arbitrary Ground Fields written by Oscar Zariski and published by American Mathematical Soc.. This book was released on 1951 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eriko Hironaka
Publisher : American Mathematical Soc.
ISBN 13 : 082182564X
Total Pages : 98 pages
Book Rating : 4.8/5 (218 download)
Download or read book Abelian Coverings of the Complex Projective Plane Branched along Configurations of Real Lines written by Eriko Hironaka and published by American Mathematical Soc.. This book was released on 1993 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work studies abelian branched coverings of smooth complex projective surfaces from the topological viewpoint. Geometric information about the coverings (such as the first Betti numbers of a smooth model or intersections of embedded curves) is related to topological and combinatorial information about the base space and branch locus. Special attention is given to examples in which the base space is the complex projective plane and the branch locus is a configuration of lines.
Author : André Joyal
Publisher : American Mathematical Soc.
ISBN 13 : 0821823124
Total Pages : 87 pages
Book Rating : 4.8/5 (218 download)
Download or read book An Extension of the Galois Theory of Grothendieck written by André Joyal and published by American Mathematical Soc.. This book was released on 1984 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper we compare, in a precise way, the concept of Grothendieck topos to the classical notion of topological space. The comparison takes the form of a two-fold extension of the idea of space.
Author : Giora Dula
Publisher : American Mathematical Soc.
ISBN 13 : 0821825895
Total Pages : 97 pages
Book Rating : 4.8/5 (218 download)
Download or read book Diagram Cohomology and Isovariant Homotopy Theory written by Giora Dula and published by American Mathematical Soc.. This book was released on 1994 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: Obstruction theoretic methods are introduced into isovariant homotopy theory for a class of spaces with group actions; the latter includes all smooth actions of cyclic groups of prime power order. The central technical result is an equivalence between isovariant homotopy and specific equivariant homotopy theories for diagrams under suitable conditions. This leads to isovariant Whitehead theorems, an obstruction-theoretic approach to isovariant homotopy theory with obstructions in cohomology groups of ordinary and equivalent diagrams, and qualitative computations for rational homotopy groups of certain spaces of isovariant self maps of linear spheres. The computations show that these homotopy groups are often far more complicated than the rational homotopy groups for the corresponding spaces of equivariant self maps. Subsequent work will use these computations to construct new families of smooth actions on spheres that are topologically linear but differentiably nonlinear.
Author : I. V. Evstigneev
Publisher : American Mathematical Soc.
ISBN 13 : 0821825976
Total Pages : 113 pages
Book Rating : 4.8/5 (218 download)
Download or read book Markov Fields over Countable Partially Ordered Sets: Extrema and Splitting written by I. V. Evstigneev and published by American Mathematical Soc.. This book was released on 1994 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: Various notions of the Markov property relative to a partial ordering have been proposed by both physicists and mathematicians. This work develops techniques for stying Markov fields on partially ordered sets. We introduce random transformations of the index set which preserves the Markov property of the field. These transformations yield new classes of Markov fields starting from relatively simple ones. Examples include a model for crack formation and a model for the distribution of fibres in a composite material.
Author : John Patrick Campbell Greenlees
Publisher : American Mathematical Soc.
ISBN 13 : 0821826034
Total Pages : 193 pages
Book Rating : 4.8/5 (218 download)
Download or read book Generalized Tate Cohomology written by John Patrick Campbell Greenlees and published by American Mathematical Soc.. This book was released on 1995 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Let [italic capital]G be a compact Lie group, [italic capitals]EG a contractible free [italic capital]G-space and let [italic capitals]E~G be the unreduced suspension of [italic capitals]EG with one of the cone points as basepoint. Let [italic]k*[over][subscript italic capital]G be a [italic capital]G-spectrum. Let [italic capital]X+ denote the disjoint union of [italic capital]X and a [italic capital]G-fixed basepoint. Define the [italic capital]G-spectra [italic]f([italic]k*[over][subscript italic capital]G) = [italic]k*[over][subscript italic capital]G [up arrowhead symbol] [italic capitals]EG+, [italic]c([italic]k*[over][subscript italic capital]G) = [italic capital]F([italic capitals]EG+,[italic]k*[over][subscript italic capital]G), and [italic]t([italic]k[subscript italic capital]G)* = [italic capital]F([italic capitals]EG+,[italic]k*[over][subscript italic capital]G) [up arrowhead symbol] [italic capitals]E~G. The last of these is the [italic capital]G-spectrum representing the generalized Tate homology and cohomology theories associated to [italic]k[subscript italic capital]G. Here [italic capital]F([italic capitals]EG+,[italic]k*[over][subscript italic capital]G) is the function space spectrum. The authors develop the properties of these theories, illustrating the manner in which they generalize the classical Tate-Swan theories.
Author : Ralph Howard
Publisher : American Mathematical Soc.
ISBN 13 : 0821825690
Total Pages : 82 pages
Book Rating : 4.8/5 (218 download)
Download or read book The Kinematic Formula in Riemannian Homogeneous Spaces written by Ralph Howard and published by American Mathematical Soc.. This book was released on 1993 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: This memoir investigates a method that generalizes the Chern-Federer kinematic formula to arbitrary homogeneous spaces with an invariant Riemannian metric, and leads to new formulas even in the case of submanifolds of Euclidean space.
