Victor Guillemin and Reyer Sjamaar

Convexity Properties of Hamiltonian Group Actions

Expected publication date is November 27, 2005

Description

This is a monograph on convexity properties of moment mappings in symplectic geometry. The fundamental result in this subject is the Kirwan convexity theorem, which describes the image of a moment map in terms of linear inequalities. This theorem bears a close relationship to perplexing old puzzles from linear algebra, such as the Horn problem on sums of Hermitian matrices, on which considerable progress has been made in recent years following a breakthrough by Klyachko. The book presents a simple local model for the moment polytope, valid in the "generic" case, and an elementary Morse-theoretic argument deriving the Klyachko inequalities and some of their generalizations. It reviews various infinite-dimensional manifestations of moment convexity, such as the Kostant type theorems for orbits of a loop group (due to Atiyah and Pressley) or a symplectomorphism group (due to Bloch, Flaschka and Ratiu). Finally, it gives an account of a new convexity theorem for moment map images of orbits of a Borel subgroup of a complex reductive group acting on a Kahler manifold, based on potential-theoretic methods in several complex variables.

This volume is recommended for independent study and is suitable for graduate students and researchers interested in symplectic geometry, algebraic geometry, and geometric combinatorics.

Contents

Introduction
The convexity theorem for Hamiltonian $G$-spaces
A constructive proof of the non-abelian convexity theorem
Some elementary examples of the convexity theorem
Kahler potentials and convexity
Applications of the convexity theorem
Bibliography

Details:

Series: CRM Monograph Series, Volume: 26
Publication Year: 2005
ISBN: 0-8218-3918-7
Paging: 82 pp.
Binding: Hardcover


A. Ya. Helemskii, Moscow State University, Russia

Lectures and Exercises on Functional Analysis

Expected publication date is December 28, 2005

Description

This book contains a unique exposition intended to serve as an introduction to functional analysis. Topics covered include normed spaces and bounded operators, Banach spaces, polynormed spaces and distributions, compact operators, $C^*$ algebra, spectral theorems, Fourier transform, and more.

A distinguishing feature of the book is the wide use of the language and elementary constructions of category theory, which are explained in the opening chapter of the book. Among nonstandard topics discussed in the book are the theory of Banach tensor products, basics of quantum functional analysis, and Borel operator calculus. General definitions and main results are supplemented with many examples and exercises.

Prerequisites for the main part of the book include standard undergraduate courses in algebra and analysis. It is suitable for graduate students and researchers interested in functional analysis.

Contents

Foundations: Categories and the like
Normed spaces and bounded operators ("Waiting for completeness")
Banach spaces and their advantages
From compact spaces to Fredholm operators
Polynormed spaces, weak topologies, and generalized functions
At the gates of spectral theory
Hilbert adjoint operators and the spectral theorem
Fourier transform
Bibliography
Index

Details:

Series: Graduate Studies in Mathematics, Volume: 71
Publication Year: 2005
ISBN: 0-8218-3552-1
Paging: approximately 496 pp.
Binding: Hardcover

Edited by: Yasuyuki Kachi, University of Kansas, Lawrence, KS,
and S. B. Mulay and Pavlos Tzermias, University of Tennessee, Knoxville, TN

Recent Progress in Arithmetic and Algebraic Geometry

Expected publication date is November 13, 2005

Description

This proceedings volume resulted from the John H. Barrett Memorial Lecture Series held at the University of Tennessee (Knoxville). The articles reflect recent developments in algebraic geometry. It is suitable for graduate students and researchers interested in algebra and algebraic geometry.

Contents

F. Campana and Q. Zhang -- Compact Kahler threefolds of $\pi_1$-general type
S. D. Cutkosky and L. Ghezzi -- Completions of valuation rings
A. Ebin, D. Hur, A. Katz, and V. Shchogolev -- A new construction of maximal curves
S. J. Kovacs -- Strong non-isotriviality and rigidity
S. J. Kovacs -- Spectral sequences associated to morphisms of locally free sheaves
T. Luo and Q. Zhang -- Holomorphic forms on threefolds
K. Matsuki -- A note on toroidalization: The problem of resolution of singularities of morphisms in the logarithmic category
R. J. Pries -- Jacobians of quotients of Artin-Schreier curves
K. Schwede -- Gluing schemes and a scheme without closed points

Details:

Series: Contemporary Mathematics, Volume: 386
Publication Year: 2005
ISBN: 0-8218-3401-0
Paging: 172 pp.
Binding: Softcover

Edited by: Michael Entov, Yehuda Pinchover,
and Michah Sageev, Technion - Israel Institute of Technology, Haifa, Israel

Geometry, Spectral Theory, Groups, and Dynamics

Expected publication date is November 2, 2005

Description

This volume contains articles based on talks given at the Robert Brooks Memorial Conference on Geometry and Spectral Theory and the Workshop on Groups, Geometry and Dynamics held at Technion - the Israel Institute of Technology (Haifa).

Robert Brooks' (1952 - 2002) broad range of mathematical interests is represented in the volume, which is devoted to various aspects of global analysis, spectral theory, the theory of Riemann surfaces, Riemannian and discrete geometry, and number theory. A survey of Brooks' work has been written by his close colleague, Peter Buser.

Also included in the volume are articles on analytic topics, such as Szego's theorem, and on geometric topics, such as isoperimetric inequalities and symmetries of manifolds.

The book is suitable for graduate students and researchers interested in various aspects of geometry and global analysis.

This book is copublished with Bar-Ilan University.

Contents

P. Buser -- On the mathematical work of Robert Brooks
D. Blanc -- Moduli spaces of homotopy theory
R. Brooks and M. Monastyrsky -- K-regular graphs and Hecke surfaces
P. Buser and K.-D. Semmler -- Isospectrality and spectral rigidity of surfaces with small topology
I. Chavel -- Topics in isoperimetric inequalities
B. Farb and S. Weinberger -- Hidden symmetries and arithmetic manifolds
H. M. Farkas -- Variants of the $3N+1$ conjecture and multiplicative semigroups
U. Frauenfelder, V. Ginzburg, and F. Schlenk -- Energy capacity inequalities via an action selector
K. Fujiwara -- On non-bounded generation of discrete subgroups in rank-1 Lie group
C. Gordon, P. Perry, and D. Schueth -- Isospectral and isoscattering manifolds: A survey of techniques and examples
M. G. Katz and C. Lescop -- Filling area conjecture, optimal systolic inequalities, and the fiber class in abelian covers
E. Leichtnam -- An invitation to Deninger's work on arithmetic zeta functions
A. Lubotzky -- Some more non-arithmetic rigid groups
R. G. Pinsky -- On domain monotonicity for the principal eigenvalue of the Laplacian with a mixed Dirichlet-Neumann boundary condition
B. Simon -- The sharp form of the strong Szego theorem

Details:

Series: Contemporary Mathematics, Volume: 387
Publication Year: 2005
ISBN: 0-8218-3710-9
Paging: 275 pp.
Binding: Softcover


Edited by: Ravi Vakil, Stanford University, CA

Snowbird Lectures in Algebraic Geometry

Expected publication date is November 13, 2005

Description

A significant part of the 2004 Summer Research Conference on Algebraic Geometry (Snowbird, UT) was devoted to lectures introducing the participants, in particular, graduate students and recent Ph.D.'s, to a wide swathe of algebraic geometry and giving them a working familiarity with exciting, rapidly developing parts of the field. One of the main goals of the organizers was to allow the participants to broaden their horizons beyond the narrow area in which they are working. A fine selection of topics and a noteworthy list of contributors made the resulting collection of articles a useful resource for everyone interested in getting acquainted with the modern topic of algebraic geometry.

The book consists of ten articles covering, among others, the following topics: the minimal model program, derived categories of sheaves on algebraic varieties, Kobayashi hyperbolicity, groupoids and quotients in algebraic geometry, rigid analytic varieties, and equivariant cohomology. Suitable for independent study, this unique volume is intended for graduate students and researchers interested in algebraic geometry.

Contents

C. Araujo -- Rationally connected varieties
C. Cadman, I. Coskun, K. Jabbusch, M. Joyce, S. J. Kovacs, M. Lieblich, F. Sato, M. Szczesny, and J. Zhang -- A first glimpse at the minimal model program
A. Caldararu -- Derived categories of sheaves: A skimming
I. Coskun -- The arithmetic and the geometry of Kobayashi hyperbolicity
S. Grushevsky -- Multiplier ideals in algebraic geometry
D. Lehavi -- Mikhalkin's classification of $M$-curves in maximal position with respect to three lines
M. Lieblich -- Groupoids and quotients in algebraic geometry
B. Osserman -- Two degeneration techniques for maps of curves
M. Papikian -- Rigid-analytic geometry and the uniformization of abelian varieties
N. Proudfoot -- Geometric invariant theory and projective toric varieties
J. S. Tymoczko -- An introduction to equivariant cohomology and homology, following Goresky, Kottwitz, and MacPherson

Details:

Series: Contemporary Mathematics, Volume: 388
Publication Year: 2005
ISBN: 0-8218-3719-2
Paging: 188 pp.
Binding: Softcover