This week in the mathematics arXiv (9 Aug - 13 Aug)

From: Greg Kuperberg (greg_at_math.ucdavis.edu)
Date: 08/19/04 

Date: 19 Aug 2004 05:45:00 -0400

Here are this week's titles in the mathematics arXiv, available at:

    http://front.math.ucdavis.edu/

Instructions for contributing articles are available at:

    http://front.math.ucdavis.edu/submissions

"This week in the mathematics arXiv" may be freely redistributed
with attribution and without modification.

Titles in the mathematics arXiv (9 Aug - 13 Aug)
------------------------------------------------

AC: Commutative Algebra
-----------------------

math.AC/0408163 <http://front.math.ucdavis.edu/math.AC/0408163>
  Kamran Divaani-Aazar, Reza Sazeedeh: Cofiniteness of generalized local
  cohomology modules

math.AC/0408162 <http://front.math.ucdavis.edu/math.AC/0408162>
  Yuji Yoshino: A functorial approach to modules of G-dimension zero

math.AC/0408143 <http://front.math.ucdavis.edu/math.AC/0408143>
  Mark W. Rogers: The index of reducibility of parameter ideals in low
  dimension

math.AC/0408124 <http://front.math.ucdavis.edu/math.AC/0408124>
  Manuel Blickle: D-module generation in positive characteristic via Frobenius
  descent

math.AC/0408110 <http://front.math.ucdavis.edu/math.AC/0408110>
  Winfried Bruns: Conic divisor classes over a normal monoid algebra

AG: Algebraic Geometry
----------------------

math.AG/0408148 <http://front.math.ucdavis.edu/math.AG/0408148>
  Fr\'{e}d\'{e}ric Campana: Un Critere D'Isotrivialite Pour Les Familles De
  Varietes Hyperk\"{a}hleriennes Sans Facteur Algebrique

math.AG/0408147 <http://front.math.ucdavis.edu/math.AG/0408147>
  Chien-Hao Liu, Shing-Tung Yau: A degeneration formula of Gromov-Witten
  invariants with respect to a curve class for degenerations from blow-ups

math.AG/0408131 <http://front.math.ucdavis.edu/math.AG/0408131>
  M. Duerr, A. Kabanov, Ch. Okonek: Poincare invariants

math.AG/0408130 <http://front.math.ucdavis.edu/math.AG/0408130>
  M. Duerr, Ch. Okonek: Relations for virtual fundamental classes of Hilbert
  schemes of curves on surfaces

math.AG/0408123 <http://front.math.ucdavis.edu/math.AG/0408123>
  Matthew Szczesny: Orbifold conformal blocks and the stack of pointed
  G-covers

math.AG/0408118 <http://front.math.ucdavis.edu/math.AG/0408118>
  Ettore Aldrovandi: Hermitian-holomorphic Deligne cohomology, Deligne pairing
  for singular metrics, and hyperbolic metrics

math.AG/0408106 <http://front.math.ucdavis.edu/math.AG/0408106>
  De-Qi Zhang: Niemeier Lattices and K3 Groups

math.AG/0408105 <http://front.math.ucdavis.edu/math.AG/0408105>
  JongHae Keum, Keiji Oguiso, De-Qi Zhang: Extensions of the alternating group
  of degree 6 in the geometry of K3 surfaces

math.AG/0408101 <http://front.math.ucdavis.edu/math.AG/0408101>
  Ivan V. Arzhantsev, Olga V. Chuvashova: Classification of affine homogeneous
  spaces of complexity one

math.AG/0408095 <http://front.math.ucdavis.edu/math.AG/0408095>
  Osamu Fujino: Addendum to "Termination of 4-fold canonical flips"

AP: Analysis of PDEs
--------------------

math.AP/0408172 <http://front.math.ucdavis.edu/math.AP/0408172>
  Vladislav V. Kravchenko: On the reduction of the multidimensional
  Schroedinger equation to a first order equation and its relation to the
  pseudoanalytic function theory

math.AP/0408150 <http://front.math.ucdavis.edu/math.AP/0408150>
  Peter Howard, Kevin Zumbrun: Stability of undercompressive shock profiles

math.AP/0408145 <http://front.math.ucdavis.edu/math.AP/0408145>
  D Preiss, T.Toro: Stability of Lewis and Vogel's result

math.AP/0408091 <http://front.math.ucdavis.edu/math.AP/0408091>
  Vena Pearl Bongolan-Walsh, Jinqiao Duan, Hongjun Gao, Tamay Ozgokmen, Paul
  Fischer, Traian Iliescu: Enstrophy and Ergodicity of Gravity Currents

CA: Classical Analysis and ODEs
-------------------------------

math.CA/0408151 <http://front.math.ucdavis.edu/math.CA/0408151>
  Dorin Ervin Dutkay, Palle E.T. Jorgensen: Disintegration of projective
  measures

math.CA/0408138 <http://front.math.ucdavis.edu/math.CA/0408138>
  Stephen Semmes: Notes on functions on the unit disk

CO: Combinatorics
-----------------

math.CO/0408171 <http://front.math.ucdavis.edu/math.CO/0408171>
  Igor Pak, Ernesto Vallejo: Reductions of Young tableau bijections

math.CO/0408169 <http://front.math.ucdavis.edu/math.CO/0408169>
  Ezra Miller, Victor Reiner: Reciprocal domains and Cohen-Macaulay
  $d$-complexes in $R^d$

math.CO/0408117 <http://front.math.ucdavis.edu/math.CO/0408117>
  David Callan: A combinatorial interpretation for a super-Catalan recurrence

math.CO/0408114 <http://front.math.ucdavis.edu/math.CO/0408114>
  Andre Henriques Joel Kamnitzer: The octahedron recurrence and gl(n) crystals

math.CO/0408108 <http://front.math.ucdavis.edu/math.CO/0408108>
  Raphael Yuster: Mean Ramsey-Tur\'an numbers

math.CO/0408099 <http://front.math.ucdavis.edu/math.CO/0408099>
  David Speyer, Bernd Sturmfels: Tropical Mathematics

math.CO/0408098 <http://front.math.ucdavis.edu/math.CO/0408098>
  David R. Wood: Vertex Partitions of Chordal Graphs

CT: Category Theory
-------------------

math.CT/0408120 <http://front.math.ucdavis.edu/math.CT/0408120>
  Josep Elgueta: Representation theory of 2-groups on finite dimensional
  2-vector spaces

CV: Complex Variables
---------------------

math.CV/0408125 <http://front.math.ucdavis.edu/math.CV/0408125>
  Michael Eastwood, Vladimir Ezhov, Alexander Isaev: Towards a Classification
  of Homogeneous Tube Domains in C^4

math.CV/0408087 <http://front.math.ucdavis.edu/math.CV/0408087>
  Claudio Meneghini: Alguns fenomens de continuacio analitica en una variable
  complexa

math.CV/0408086 <http://front.math.ucdavis.edu/math.CV/0408086>
  Claudio Meneghini: An example of idiosyncracy between topological coverings
  and analytic functions

math.CV/0408085 <http://front.math.ucdavis.edu/math.CV/0408085>
  Claudio Meneghini: Une preuve elementaire de la perfection de l'ensemble de
  Julia des fonctions entieres

math.CV/0408084 <http://front.math.ucdavis.edu/math.CV/0408084>
  Claudio Meneghini: Sur une question de M.Bergweiler

math.CV/0408083 <http://front.math.ucdavis.edu/math.CV/0408083>
  Claudio Meneghini: Sur l'existence de points fixes repulsifs au voisinage
  d'une singularite essentielle isolee

DG: Differential Geometry
-------------------------

math.DG/0408152 <http://front.math.ucdavis.edu/math.DG/0408152>
  Emily Proctor: Isospectral metrics and potentials on classical compact
  simple Lie groups

math.DG/0408137 <http://front.math.ucdavis.edu/math.DG/0408137>
  Dominic Joyce, Sema Salur: Deformations of Asymptotically Cylindrical
  Coassociative Submanifolds with Fixed Boundary

math.DG/0408136 <http://front.math.ucdavis.edu/math.DG/0408136>
  Maciej Dunajski: Oriented straight lines and twistor correspondence

math.DG/0408121 <http://front.math.ucdavis.edu/math.DG/0408121>
  Sergiu I. Vacaru: Nonholonomic Clifford Structures and Noncommutative
  Riemann--Finsler Geometry

math.DG/0408092 <http://front.math.ucdavis.edu/math.DG/0408092>
  Mario Listing: Scalar curvature rigidity of almost Hermitian manifolds which
  are asymptotic to $\mathbb{C}H^{2n}$

DS: Dynamical Systems
---------------------

math.DS/0408166 <http://front.math.ucdavis.edu/math.DS/0408166>
  Jon. Aaronson, Mariusz Lemanczyk, Dalibor Volny: A salad of cocycles

math.DS/0408158 <http://front.math.ucdavis.edu/math.DS/0408158>
  Lennard Bakker: Semiconjugacy of Quasiperiodic Flows and Finite Index
  Subgroups of Multiplier Groups

quant-ph/0408010 <http://front.math.ucdavis.edu/quant-ph/0408010>
  Nikola P. Petrov: Dynamical Casimir effect in a periodically changing
  domain: A dynamical systems approach

math.DS/0408135 <http://front.math.ucdavis.edu/math.DS/0408135>
  Aijun Du, Jinqiao Duan, Hongjun Gao, Tamay OzgOkmen: Ergodic Dynamics of the
  Coupled Quasigeostrophic Flow-Energy Balance System

math.DS/0408097 <http://front.math.ucdavis.edu/math.DS/0408097>
  David Ruelle: Differentiation of SRB states for hyperbolic flows

math.DS/0408096 <http://front.math.ucdavis.edu/math.DS/0408096>
  David Ruelle: Differentiating the absolutely continuous invariant measure of
  an interval map f with respect to f

math.DS/0408090 <http://front.math.ucdavis.edu/math.DS/0408090>
  Alex Eskin, Jens Marklof, Dave Witte Morris: Unipotent flows on the space of
  branched covers of Veech surfaces

GM: General Mathematics
-----------------------

math.GM/0408089 <http://front.math.ucdavis.edu/math.GM/0408089>
  W. Mueckenheim: A severe inconsistency of transfinite set theory

GN: General Topology
--------------------

math.GN/0408134 <http://front.math.ucdavis.edu/math.GN/0408134>
  K. P. Hart, G. J. Ridderbos: A note on an example by van Mill

math.GN/0408115 <http://front.math.ucdavis.edu/math.GN/0408115>
  Joan E. Hart, Kenneth Kunen: Limits in compact abelian groups

GR: Group Theory
----------------

math.GR/0408160 <http://front.math.ucdavis.edu/math.GR/0408160>
  Roger C. Alperin, Guennady A. Noskov: Nonvanishing of algebraic entropy for
  geometrically finite groups of isometries of Hadamard manifolds

math.GR/0408149 <http://front.math.ucdavis.edu/math.GR/0408149>
  Boris L Okun: Weighted L^2-cohomology of Coxeter groups based on barycentric
  subdivisons

math.GR/0408129 <http://front.math.ucdavis.edu/math.GR/0408129>
  Yiannis N. Petridis, Morten S. Risager: Discrete logarithms in free groups

math.GR/0408111 <http://front.math.ucdavis.edu/math.GR/0408111>
  Chris Parker: Semisymmetric cubic graphs of twice odd order

math.GR/0408109 <http://front.math.ucdavis.edu/math.GR/0408109>
  M. Bate, B.M.S. Martin, G. Roehrle: A Geometric Approach to Complete
  Reducibility

GT: Geometric Topology
----------------------

math.GT/0408161 <http://front.math.ucdavis.edu/math.GT/0408161>
  Michael Larsen, Zhenghan Wang: Density of the SO(3) TQFT representation of
  mapping class groups

math.GT/0408156 <http://front.math.ucdavis.edu/math.GT/0408156>
  Markus Banagl, Greg Friedman: Triangulations of 3-dimensional
  pseudomanifolds with an application to state-sum invariants

math.GT/0408133 <http://front.math.ucdavis.edu/math.GT/0408133>
  Allan L. Edmonds: Embedded Surfaces in the 3-Torus

math.GT/0408112 <http://front.math.ucdavis.edu/math.GT/0408112>
  Feng Luo: A Characterization of Spherical Cone Metrics on Surfaces

HO: History and Overview
------------------------

math.HO/0408159 <http://front.math.ucdavis.edu/math.HO/0408159>
  Roger C. Alperin: Trisections and Totally Real Origami

math.HO/0408082 <http://front.math.ucdavis.edu/math.HO/0408082>
  Lin Cong & Zhipeng Li: On Bernoulli Numbers and Its Properties

KT: K-Theory and Homology
-------------------------

hep-th/0408060 <http://front.math.ucdavis.edu/hep-th/0408060>
  Sakura Schafer-Nameki: K-theoretical boundary rings in N=2 coset models

math.KT/0408094 <http://front.math.ucdavis.edu/math.KT/0408094>
  Atabey Kaygun: Bialgebra Cyclic Homology with Coefficients, Part I

LO: Logic
---------

math.LO/0408144 <http://front.math.ucdavis.edu/math.LO/0408144>
  Cristian S. Calude, helmut Juergensen: Is Complexity a Source of
  Incompleteness?

MG: Metric Geometry
-------------------

math.MG/0408132 <http://front.math.ucdavis.edu/math.MG/0408132>
  Allan L. Edmonds: The Geometry of an Equifacetal Simplex

math.MG/0408104 <http://front.math.ucdavis.edu/math.MG/0408104>
  Igor Pak: The area of cyclic polygons: Recent progress on Robbins'
  Conjectures

MP: Mathematical Physics
------------------------

quant-ph/0408068 <http://front.math.ucdavis.edu/quant-ph/0408068>
  Giulia Battilotti, Paola Zizzi: Logical Interpretation of a Reversible
  Measurement in Quantum Computing

math-ph/0408024 <http://front.math.ucdavis.edu/math-ph/0408024>
  A. C. D. van Enter, K. Netocny, H. G. Schaap: On the Ising model with random
  boundary condition

math-ph/0408023 <http://front.math.ucdavis.edu/math-ph/0408023>
  Christian Korff: Auxiliary matrices on both sides of the equator

math-ph/0408022 <http://front.math.ucdavis.edu/math-ph/0408022>
  Peter Ullrich: Uniqueness in the Characteristic Cauchy Problem of the
  Klein-Gordon Equation and Tame Restrictions of Generalized Functions

math-ph/0408021 <http://front.math.ucdavis.edu/math-ph/0408021>
  Sergio Albeverio, Konstantin Pankrashkin: A remark on Krein's resolvent
  formula and boundary conditions

math-ph/0408020 <http://front.math.ucdavis.edu/math-ph/0408020>
  Bruno Nachtergaele, Shannon Starr: A Ferromagnetic Lieb-Mattis Theorem

math-ph/0408019 <http://front.math.ucdavis.edu/math-ph/0408019>
  Andrzej Goerlich, Andrzej Jarosz: Addition of Free Unitary Random Matrices

cond-mat/0408198 <http://front.math.ucdavis.edu/cond-mat/0408198>
  German Ka"lbermann: The Sine-Gordon Wobble

math-ph/0408018 <http://front.math.ucdavis.edu/math-ph/0408018>
  A.W. Beckwith: The tunneling hamiltonian representation of false vacuum
  decay V. Application to cosmological constant question

math-ph/0408017 <http://front.math.ucdavis.edu/math-ph/0408017>
  V. Kalvine: Self-Adjoint Elliptic Problems in Domains with Cylindrical Ends
  under Weak Assumptions on the Stabilization of Coefficients

math-ph/0408016 <http://front.math.ucdavis.edu/math-ph/0408016>
  D. Bl\"omker, M. Hairer, G. A. Pavliotis: Modulation Equations: Stochastic
  Bifurcation in Large Domains

math-ph/0408015 <http://front.math.ucdavis.edu/math-ph/0408015>
  Michaeln Drmota, Walter Schachermayer, Josef Teichmann: A hyper-geometric
  approach to the BMV-conjecture

math-ph/0408014 <http://front.math.ucdavis.edu/math-ph/0408014>
  Detlef Duerr, Tilo Moser, Peter Pickl: The Flux-Across-Surfaces Theorem
  under conditions on the scattering state

math-ph/0408013 <http://front.math.ucdavis.edu/math-ph/0408013>
  Vadim Kostrykin, Ivan Veselic: On the Lipschitz continuity of the integrated
  density of states for sign-indefinite potentials

math-ph/0408012 <http://front.math.ucdavis.edu/math-ph/0408012>
  Cosmas Zachos, Thomas Curtright: Branes, Quantum Nambu Brackets, and the
  Hydrogen Atom

NT: Number Theory
-----------------

math.NT/0408170 <http://front.math.ucdavis.edu/math.NT/0408170>
  Wayne Aitken, Farshid Hajir, Christian Maire: Finitely ramified iterated
  extensions

math.NT/0408168 <http://front.math.ucdavis.edu/math.NT/0408168>
  Andrea Surroca: Siegel's theorem and the abc conjecture

math.NT/0408167 <http://front.math.ucdavis.edu/math.NT/0408167>
  Toby Gee: Companion forms over totally real fields

math.NT/0408154 <http://front.math.ucdavis.edu/math.NT/0408154>
  David W. Farmer: Basic analytic number theory

math.NT/0408153 <http://front.math.ucdavis.edu/math.NT/0408153>
  B. Conrad, K. Conrad, H. Helfgott: Root numbers and ranks in positive
  characteristic

math.NT/0408142 <http://front.math.ucdavis.edu/math.NT/0408142>
  H. A. Helfgott: The parity problem for reducible cubic forms

math.NT/0408141 <http://front.math.ucdavis.edu/math.NT/0408141>
  H. A. Helfgott: On the behaviour of root numbers in families of elliptic
  curves

math.NT/0408139 <http://front.math.ucdavis.edu/math.NT/0408139>
  Raf Cluckers, Adriaan Herremans: Computation of character sums and
  applications to prehomogeneous vector spaces. With an appendix "L-functions
  of prehomogeneous vector spaces" by Fumihiro Sato

math.NT/0408126 <http://front.math.ucdavis.edu/math.NT/0408126>
  Mark Watkins: Explicit lower bounds on the modular degree of an elliptic
  curve

math.NT/0408122 <http://front.math.ucdavis.edu/math.NT/0408122>
  Robert Erdahl, Andrei Ordine, Konstantin Rybnikov: Delaunay Supertopes

math.NT/0408107 <http://front.math.ucdavis.edu/math.NT/0408107>
  Umesh P. Nair: Elementary results on the binary quadratic form a^2+ab+b^2

math.NT/0408100 <http://front.math.ucdavis.edu/math.NT/0408100>
  Stephen D. Miller, Wilfried Schmid: Automorphic Distributions, L-functions,
  and Voronoi Summation for GL(3)

hep-th/0408038 <http://front.math.ucdavis.edu/hep-th/0408038>
  J.S.Dowker: Determinants on lens spaces and cyclotomic units

math.NT/0408093 <http://front.math.ucdavis.edu/math.NT/0408093>
  F. Auil: A Sequence of Beurling Functions Related to the Natural
  Approximation B_{n} Defined by an Iterative Construction Generating
  Square-Free Numbers k and the Value of the Mobius Function at k

math.NT/0408081 <http://front.math.ucdavis.edu/math.NT/0408081>
  Greg Martin, Kevin O'Bryant: Constructions of Generalized Sidon Sets

OC: Optimization and Control
----------------------------

math.OC/0408146 <http://front.math.ucdavis.edu/math.OC/0408146>
  Frederic Dambreville: Learning a Machine for the Decision in a Partially
  Observable Markov Universe

PR: Probability
---------------

math.PR/0408157 <http://front.math.ucdavis.edu/math.PR/0408157>
  Robert O. Bauer, Roland M. Friedrich: Stochastic Loewner evolution in
  multiply connected domains

math.PR/0408140 <http://front.math.ucdavis.edu/math.PR/0408140>
  Marco Ferrante, Marta Sanz-Sol\'e: SPDEs with coloured noise: Analytic and
  stochastic approaches

math.PR/0408128 <http://front.math.ucdavis.edu/math.PR/0408128>
  Jean Bertoin, Christina Goldschmidt: Dual random fragmentation and
  coagulation and an application to the genealogy of Yule processes

math.PR/0408119 <http://front.math.ucdavis.edu/math.PR/0408119>
  Akihiko Inoue, Yumiharu Nakano, Vo Anh: Binary market models with memory

math.PR/0408103 <http://front.math.ucdavis.edu/math.PR/0408103>
  Sanatan Rai: The spectrum of a random geometric graph is concentrated

QA: Quantum Algebra
-------------------

math.QA/0408113 <http://front.math.ucdavis.edu/math.QA/0408113>
  Anne Schilling, Philip Sternberg: Finite-Dimensional Crystals B^{2,s} for
  Quantum Affine Algebras of type D_{n}^{(1)}

RA: Rings and Algebras
----------------------

math.RA/0408155 <http://front.math.ucdavis.edu/math.RA/0408155>
  Lars Kadison: Depth Two and the Galois Coring

math.RA/0408127 <http://front.math.ucdavis.edu/math.RA/0408127>
  Peter Jorgensen: Symmetry of Ext vanishing over non-commutative rings

RT: Representation Theory
-------------------------

math.RT/0408164 <http://front.math.ucdavis.edu/math.RT/0408164>
  Vladimir Shchigolev: On extensions and branching rules for modules close to
  completely splittable

math.RT/0408088 <http://front.math.ucdavis.edu/math.RT/0408088>
  Harald Ellers, John Murray: Branching Rules for Specht Modules

SG: Symplectic Geometry
-----------------------

math.SG/0408102 <http://front.math.ucdavis.edu/math.SG/0408102>
  Urs Frauenfelder: Finite dimensional approximations for the symplectic
  vortex equations

SP: Spectral Theory
-------------------

math.SP/0408116 <http://front.math.ucdavis.edu/math.SP/0408116>
  Nigie Shi: Time-Dependent Solutions of a Discrete Schrodinger's Equation

ST: Statistics
--------------

math.ST/0408165 <http://front.math.ucdavis.edu/math.ST/0408165>
  Jinho Baik, Jack W. Silverstein: Eigenvalues of Large Sample Covariance
  Matrices of Spiked Population Models 

-- 
  /\  Greg Kuperberg (UC Davis)
 /  \
 \  / Visit the Math ArXiv Front at http://front.math.ucdavis.edu/
  \/  * All the math that's fit to e-print *

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