Mathematics

Authors and titles for April 2002

[301] arXiv:math/0204247 [pdf, other]

Title: Generalized twisted coHom objects

Sergio D. Grillo

Comments: 5 pages; minor terminology changes

Subjects: Quantum Algebra (math.QA); Mathematical Physics (math-ph)

[302] arXiv:math/0204248 [pdf, other]

Title: Riemann--Hilbert analysis for Laguerre polynomials with large negative parameter

A.B.J. Kuijlaars, K.T-R McLaughlin

Comments: 26 pages, 8 figures, To appear in Computational Methods and Function Theory

Journal-ref: Computational Methods and Function Theory 1 (2001), 205-233

Subjects: Classical Analysis and ODEs (math.CA); Complex Variables (math.CV)

[303] arXiv:math/0204249 [pdf, other]

Title: Thompson's group F is not almost convex

Sean Cleary, Jennifer Taback

Comments: 19 pages, 7 figures

Journal-ref: J. Algebra 270 (2003), no. 1, 133-149

Subjects: Group Theory (math.GR)

[304] arXiv:math/0204250 [pdf, other]

Title: Projective embeddings of projective schemes blown up at subschemes

Huy Tai Ha

Comments: 14 pages

Journal-ref: Math. Z. 246 (2004), no. 1-2, 111--124.

Subjects: Algebraic Geometry (math.AG); Commutative Algebra (math.AC); Rings and Algebras (math.RA)

[305] arXiv:math/0204251 [pdf, other]

Title: A new bound for finite field Besicovitch sets in four dimensions

Terence Tao

Comments: 28 pages, no figures, to appear, Pacific J. Math. More exposition, less typos

Subjects: Classical Analysis and ODEs (math.CA)

[306] arXiv:math/0204252 [pdf, other]

Title: Separating Thickness from Geometric Thickness

David Eppstein

Comments: 12 pages, 8 figures. This revision incorporates suggestions of the referee and reformats to AMS CONM proceedings style

Journal-ref: In "Towards a Theory of Geometric Graphs", J. Pach, ed., Contemporary Math. 342, pp. 75-86, 2004

Subjects: Combinatorics (math.CO); Computational Geometry (cs.CG); Discrete Mathematics (cs.DM)

[307] arXiv:math/0204253 [pdf, other]

Title: Minimal tori in five-dimensional sphere in $C^3$

Ruslan Sharipov

Comments: AmSTeX, 10 pages, amsppt style

Journal-ref: Theor. and Math. Phys. 87(1991) No. 1, P. 48-56

Subjects: Differential Geometry (math.DG); Mathematical Physics (math-ph); Algebraic Geometry (math.AG)

[308] arXiv:math/0204254 [pdf, other]

Title: Bounding the degrees of generators of a homogeneous dimension 2 toric ideal

Hugh Thomas

Comments: 8 pages. To appear in Collectanea Mathematica

Subjects: Commutative Algebra (math.AC); Algebraic Geometry (math.AG)

[309] arXiv:math/0204255 [pdf, other]

Title: Hilbert's "Verunglueckter Beweis," the first epsilon theorem, and consistency proofs

Richard Zach

Comments: 18 pages, final version

Subjects: Logic (math.LO); History and Overview (math.HO)

[310] arXiv:math/0204256 [pdf, other]

Title: On the geometric genus of subvarieties of generic hypersurfaces

Herbert Clemens, Ziv Ran

Subjects: Algebraic Geometry (math.AG)

[311] arXiv:math/0204257 [pdf, other]

Title: The (-1) twist

Ziv Ran

Subjects: Algebraic Geometry (math.AG)

[312] arXiv:math/0204258 [pdf, other]

Title: Osserman Conjecture in dimension n \ne 8, 16

Y. Nikolayevsky

Comments: 16 pages, LATeX file, changed content

Subjects: Differential Geometry (math.DG)

[313] arXiv:math/0204259 [pdf, other]

Title: On the Hilbert scheme of Palatini threefolds

Maria Lucia Fania, Emilia Mezzetti

Comments: To be published in Advances in Geometry

Subjects: Algebraic Geometry (math.AG)

[314] arXiv:math/0204260 [pdf, other]

Title: An Isomorphism Between Moduli Spaces of Abelian Varieties

Ch. Birkenhake, H. Lange

Comments: 7 pages

Subjects: Algebraic Geometry (math.AG)

[315] arXiv:math/0204261 [pdf, other]

Title: Families of abelian varieties over curves with maximal Higgs field

Eckart Viehweg (Essen), Kang Zuo (Hong Kong)

Comments: 13 pages, Latex, two minor errors corrected, the content of this note became part of math.AG/0207228

Subjects: Algebraic Geometry (math.AG); Complex Variables (math.CV)

[316] arXiv:math/0204262 [pdf, other]

Title: Algebraic fiber spaces whose general fibers are of maximal Albanese dimension

Osamu Fujino

Comments: 14 pages, a new version of RIMS-1352. Example 2.5 is new

Subjects: Algebraic Geometry (math.AG)

[317] arXiv:math/0204263 [pdf, other]

Title: On exponential stability of Wonham filter

P. Chigansky, R. Liptser

Comments: 6 pages

Subjects: Probability (math.PR); Optimization and Control (math.OC)

[318] arXiv:math/0204264 [pdf, other]

Title: Podle\'s' Quantum Sphere: Dual Coalgebra and Classification of Covariant First Order Differential Calculus

I. Heckenberger, S. Kolb

Comments: LaTeX2e, 19 pages

Subjects: Quantum Algebra (math.QA)

[319] arXiv:math/0204265 [pdf, other]

Title: K-theorie equivariante des varietes de drapeaux et des varietes de Bott-Samelson

Matthieu Willems

Subjects: Algebraic Geometry (math.AG)

[320] arXiv:math/0204266 [pdf, other]

Title: Random perturbations of codimension one homoclinic tangencies in dimension 3

Vitor Araujo

Comments: 22 pages; 5 figures

Journal-ref: Dynamical Systems, An International Journal, Vol. 18, No. 1 (2003), 35-55.

Subjects: Dynamical Systems (math.DS)

[321] arXiv:math/0204267 [pdf, other]

Title: A stable cohomotopy refinement of Seiberg-Witten invariants: II

Stefan Bauer

Comments: 19 pages

Subjects: Differential Geometry (math.DG); Algebraic Topology (math.AT)

[322] arXiv:math/0204268 [pdf, other]

Title: Computing stationary probability distributions and large deviation rates for constrained random walks. The undecidability results

David Gamarnik

Subjects: Probability (math.PR)

[323] arXiv:math/0204269 [pdf, other]

Title: Estimates for Oscillatory Integral Operators

Vyacheslav S. Rychkov

Comments: Princeton University thesis, 71 pages, 23 figures

Subjects: Classical Analysis and ODEs (math.CA)

[324] arXiv:math/0204270 [pdf, other]

Title: Zorn's matrices and finite index subloops

Fabio Enrique Brochero, Carmen Rosa Giraldo

Comments: 15 pages

Subjects: Group Theory (math.GR); Rings and Algebras (math.RA)

[325] arXiv:math/0204271 [pdf, other]

Title: Higher K-energy functionals and higher Futaki invariants

Ben Weinkove

Comments: 14 pages, Latex; references added, Theorem 2 corrected

Subjects: Differential Geometry (math.DG)

[326] arXiv:math/0204272 [pdf, other]

Title: On arrangements of real roots of a real polynomial and its derivatives

Vladimir Petrov Kostov

Comments: To appear in Serdica Math. J. 29 (2003)

Journal-ref: Serdica Math. J. 29 (2003), 65-74

Subjects: Algebraic Geometry (math.AG)

[327] arXiv:math/0204273 [pdf, other]

Title: Warped products and Reissner-Nordstrom metric

Soon-Tae Hong, Jaedong Choi, Young-Jai Park

Comments: 7 pages

Subjects: Differential Geometry (math.DG)

[328] arXiv:math/0204274 [pdf, other]

Title: A note on arithmetic topology and dynamical systems

Christopher Deninger

Subjects: Number Theory (math.NT); Dynamical Systems (math.DS)

[329] arXiv:math/0204275 [pdf, other]

Title: Component groups of unipotent centralizers in good characteristic

George J. McNinch, Eric Sommers

Comments: 13 pages; AMS LaTeX. This is the final version; it will appear in the Steinberg birthday volume of the Journal of Algebra. This version corrects an oversight pointed out by the referee; see Prop 23

Journal-ref: Journal of Algebra 260 (2003) 323-337

Subjects: Representation Theory (math.RT); Group Theory (math.GR)

[330] arXiv:math/0204276 [pdf, other]

Title: A Simple Proof of the Classification of Normal Toeplitz Matrices

Akio Arimoto

Comments: 5 pages

Subjects: Rings and Algebras (math.RA)

[331] arXiv:math/0204277 [pdf, other]

Title: On the scaling limit of planar self-avoiding walk

Gregory F. Lawler, Oded Schramm, Wendelin Werner

Journal-ref: Fractal geometry and applications: a jubilee of Beno\^it Mandelbrot, Part 2, 339--364, Proc. Sympos. Pure Math., 72, Part 2, Amer. Math. Soc., Providence, RI, 2004

Subjects: Probability (math.PR); Mathematical Physics (math-ph)

[332] arXiv:math/0204278 [pdf, other]

Title: Fusion rules of modular invariants

David E Evans

Comments: 23 pages

Journal-ref: Rev.Math.Phys. 14 (2002) 709-732

Subjects: Operator Algebras (math.OA); High Energy Physics - Theory (hep-th); Mathematical Physics (math-ph)

[333] arXiv:math/0204279 [pdf, other]

Title: Generalized enrichment of categories

Tom Leinster

Comments: 18 pages; written 1999

Journal-ref: Journal of Pure and Applied Algebra 168 (2002), 391-406

Subjects: Category Theory (math.CT)

[334] arXiv:math/0204280 [pdf, other]

Title: Quantum torsors

Cyril Grunspan

Comments: 12 pages

Subjects: Quantum Algebra (math.QA); Representation Theory (math.RT)

[335] arXiv:math/0204281 [pdf, other]

Title: Critical Phenomena, modular invariants and operator algebras

David E Evans

Comments: 27 pages

Subjects: Operator Algebras (math.OA); High Energy Physics - Theory (hep-th); Mathematical Physics (math-ph)

[336] arXiv:math/0204282 [pdf, other]

Title: Field Algebras

Bojko Bakalov, Victor G. Kac

Comments: Dedicated to E. B. Vinberg on the occasion of his 65th birthday. 27 pages

Journal-ref: Int. Math. Res. Not. 2003, no. 3, 123--159

Subjects: Quantum Algebra (math.QA)

[337] arXiv:math/0204283 [pdf, other]

Title: Generators of relations for annihilating fields

Mirko Primc

Comments: 13 pages, AMS-LaTeX

Subjects: Quantum Algebra (math.QA)

[338] arXiv:math/0204284 [pdf, other]

Title: Base loci of linear series are numerically determined

Michael Nakamaye

Comments: 19 pages

Subjects: Algebraic Geometry (math.AG)

[339] arXiv:math/0204285 [pdf, other]

Title: Fiber sums of genus 2 Lefschetz fibrations

Denis Auroux

Comments: 9 pages

Subjects: Geometric Topology (math.GT); Symplectic Geometry (math.SG)

[340] arXiv:math/0204286 [pdf, other]

Title: A remark about Donaldson's construction of symplectic submanifolds

Denis Auroux

Comments: 8 pages

Subjects: Differential Geometry (math.DG); Symplectic Geometry (math.SG)

[341] arXiv:math/0204287 [pdf, other]

Title: A Smooth Compactification of the Moduli Space of Instantons and Its Application

Bohui Chen

Comments: 65 pages

Subjects: Geometric Topology (math.GT)

[342] arXiv:math/0204288 [pdf, other]

Title: Deformations of calibrations, {Calabi-Yau, HyperK\"ahler, $G_2$ and Spin(7) structures}

Ryushi Goto

Comments: 54pages

Subjects: Differential Geometry (math.DG)

[343] arXiv:math/0204289 [pdf, other]

Title: On diffusion approximation with discontinuous coefficients

N. V. Krylov, R. Liptser

Comments: 29 pages

Subjects: Probability (math.PR); Symplectic Geometry (math.SG)

[344] arXiv:math/0204290 [pdf, other]

Title: Quantum Relatives of Alexander Polynomial

Oleg Viro

Comments: 72 pages

Subjects: Geometric Topology (math.GT); Quantum Algebra (math.QA)

[345] arXiv:math/0204291 [pdf, other]

Title: C*-categories, Groupoid Actions, Equivariant KK-theory, and the Baum-Connes Conjecture

Paul D. Mitchener

Subjects: K-Theory and Homology (math.KT); Algebraic Topology (math.AT)

[346] arXiv:math/0204292 [pdf, other]

Title: The groups of Richard Thompson and complexity

Jean-Camille Birget

Subjects: Group Theory (math.GR)

[347] arXiv:math/0204293 [pdf, other]

Title: Existence de filtrations admissibles sur des isocristaux

J.-M. Fontaine, M. Rapoport

Comments: 10 pages, AMS-TeX

Subjects: Number Theory (math.NT); Algebraic Geometry (math.AG)

[348] arXiv:math/0204294 [pdf, other]

Title: A connection between orthogonal polynomials on the unit circle and matrix orthogonal polynomials on the real line

Maria J. Cantero (Universidad de Zaragoza, Spain), Maria P. Ferrer (Universidad de Zaragoza, Spain), Leandro Moral (Universidad de Zaragoza, Spain), Luis Velazquez (Universidad de Zaragoza, Spain)

Comments: 28 pages

Subjects: Classical Analysis and ODEs (math.CA)

[349] arXiv:math/0204295 [pdf, other]

Title: Reflection Equation, Twist, and Equivariant Quantization

J. Donin, A. Mudrov

Comments: 17 pages, AMS Latex

Journal-ref: Isr. J. Math. V.136 (2003), 11-28

Subjects: Quantum Algebra (math.QA)

[350] arXiv:math/0204296 [pdf, other]

Title: Characters of $\U_q\bigl(gl(n)\bigr)$-reflection equation algebra

A. Mudrov

Comments: 10 pages, AMS Latex

Journal-ref: Lett.Math.Phys., V.60 (2002) #3 283-291

Subjects: Quantum Algebra (math.QA)