Mathematics

Authors and titles for February 2007

[701] arXiv:math/0702551 [pdf, other]

Title: QQ plots, Random sets and data from a heavy tailed distribution

Bikramjit Das, Sidney I. Resnick

Comments: 19 pages, 2 figures

Subjects: Probability (math.PR); Statistics Theory (math.ST)

[702] arXiv:math/0702552 [pdf, other]

Title: Non-Euclidean method of the generalized geometry construction and its application to space-time geometry

Yuri A. Rylov

Comments: 26 pages, 0 figures, revision ofsection on null vectors

Subjects: General Mathematics (math.GM)

[703] arXiv:math/0702553 [pdf, other]

Title: Variance asymptotics and central limit theorems for generalized growth processes with applications to convex hulls and maximal points

T. Schreiber, J. E. Yukich

Comments: Published in at this http URL the Annals of Probability (this http URL) by the Institute of Mathematical Statistics (this http URL)

Journal-ref: Annals of Probability 2008, Vol. 36, No. 1, 363-396

Subjects: Probability (math.PR)

[704] arXiv:math/0702554 [pdf, other]

Title: Counterexamples to the Kawamata-Viehweg Vanishing on Ruled Surfaces in Positive Characteristic

Qihong Xie

Comments: 15 pages, final version

Subjects: Algebraic Geometry (math.AG)

[705] arXiv:math/0702555 [pdf, other]

Title: A relation between entropy monotonicity and Harnack inequalities

Klaus Ecker

Subjects: Differential Geometry (math.DG); Analysis of PDEs (math.AP)

[706] arXiv:math/0702556 [pdf, other]

Title: Descent of line bundles to GIT quotients of flag varieties by maximal torus

Shrawan Kumar

Comments: 19 pages

Subjects: Algebraic Geometry (math.AG); Group Theory (math.GR)

[707] arXiv:math/0702557 [pdf, other]

Title: On convex sets associated with permutations, cuts, and certain metrics

Hanna Seitz, Dirk Oliver Theis

Comments: This paper is withdrawn: it has been merged with the preprint to which it refers. See arXiv:0709.0910 [math.CO]

Subjects: Combinatorics (math.CO); Optimization and Control (math.OC)

[708] arXiv:math/0702558 [pdf, other]

Title: Bounds of some real (complex) solution of a finite system of polynomial equations with rational coefficients

Apoloniusz Tyszka

Comments: LaTeX2e, 28 pages, a shortened and revised version will appear in Mathematical Logic Quarterly 56 (2010), no.2, under the title ``Two conjectures on the arithmetic in R and C''

Journal-ref: Mathematical Logic Quarterly 56 (2010), no.2, pp.175-184.

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

[709] arXiv:math/0702559 [pdf, other]

Title: On pointed Hopf algebras associated with alternating and dihedral groups

Nicolás Andruskiewitsch, Fernando Fantino

Comments: v2: minor corrections, we remove Table 1 and change Remark 3.4; v3: minor corrections, we modify reference [FGV]; final version to appear in Rev. Unión Mat. Argent., 17 pages

Journal-ref: Rev. Uni\'on Mat. Argent.. 48-3, (2007), pp. 57-71

Subjects: Quantum Algebra (math.QA)

[710] arXiv:math/0702560 [pdf, other]

Title: Instability of an equilibrium with negative definite linearization

Michael Robinson

Comments: v1: 6 pages; v2: 7 pages, fixes a glitch in the main theorem

Subjects: Analysis of PDEs (math.AP); Dynamical Systems (math.DS)

[711] arXiv:math/0702561 [pdf, other]

Title: Fibered F-Algebra

Aleks Kleyn

Comments: English text - 21 pages; Russian text - 23 pages

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

[712] arXiv:math/0702562 [pdf, other]

Title: Almost laura algebras

David Smith

Comments: 21 pages, very minor changes, to appear in J. Algebra

Journal-ref: D. Smith, Almost laura algebras, J. Algebra, 319 (2008), no.1, 432-456.

Subjects: Rings and Algebras (math.RA)

[713] arXiv:math/0702563 [pdf, other]

Title: Taylor spectrum and characteristic functions of commuting 2-contractions

Berrabah Bendoukha

Comments: 10 pages

Subjects: Functional Analysis (math.FA)

[714] arXiv:math/0702564 [pdf, other]

Title: Convex Rank Tests and Semigraphoids

Jason Morton, Lior Pachter, Anne Shiu, Bernd Sturmfels, Oliver Wienand

Subjects: Combinatorics (math.CO); Statistics Theory (math.ST)

[715] arXiv:math/0702565 [pdf, other]

Title: Minimal surfaces in the three-Sphere by doubling the Clifford Torus

Nicolaos Kapouleas, Seong-Deog Yang

Subjects: Differential Geometry (math.DG); Analysis of PDEs (math.AP)

[716] arXiv:math/0702566 [pdf, other]

Title: Sums of binomial determinants, non-intersecting lattice paths and positivity of Chern-Schwartz-MacPherson classes

Leonardo Constantin Mihalcea

Comments: 10 pages, 5 figures, comments are welcome

Subjects: Combinatorics (math.CO); Algebraic Geometry (math.AG)

[717] arXiv:math/0702567 [pdf, other]

Title: Matroid complexity and non-succinct descriptions

Dillon Mayhew

Comments: 16 pages, 1 figure. Title changed, proofs simplified, a small amount of new material

Subjects: Combinatorics (math.CO)

[718] arXiv:math/0702568 [pdf, other]

Title: Weak amenability of CAT(0) cubical groups

Nigel Higson, Erik Guentner

Comments: 22 pages

Subjects: Operator Algebras (math.OA); Group Theory (math.GR)

[719] arXiv:math/0702569 [pdf, other]

Title: Sequentially Cohen-Macaulay monomial ideals of embedding dimension four

Sarfraz Ahmad, Dorin Popescu

Comments: 11 pages

Subjects: Commutative Algebra (math.AC)

[720] arXiv:math/0702570 [pdf, other]

Title: Extending homeomorphisms from punctured surfaces to handlebodies

Alessia Cattabriga, Michele Mulazzani

Comments: We correct the statements of Theorem 9 and 10, by adding missing generators, and improve the statement of Theorem 10, by removing some redundant generators

Subjects: Geometric Topology (math.GT)

[721] arXiv:math/0702571 [pdf, other]

Title: Detecting large groups

Marc Lackenby

Comments: 31 pages, 2 figures

Subjects: Group Theory (math.GR); Geometric Topology (math.GT)

[722] arXiv:math/0702572 [pdf, other]

Title: A Decomposition of Complex Monge-Ampere Measures

Yang Xing

Subjects: Complex Variables (math.CV)

[723] arXiv:math/0702573 [pdf, other]

Title: Large deviation estimates of the crossing probability for pinned Gaussian processes

L. Caramellino, B. Pacchiarotti

Comments: 33 pages. Keywords: conditioned Gaussian processes; reproducing kernel Hilbert spaces; large deviations; exit time probabilities; Monte Carlo methods

Journal-ref: Advances in Applied Probability, 40, 424-453, 2008

Subjects: Probability (math.PR)

[724] arXiv:math/0702574 [pdf, other]

Title: Actors in categories of interest

J. M. Casas, T. Datuashvili, M. Ladra

Comments: 31 pages

Subjects: Category Theory (math.CT); Representation Theory (math.RT)

[725] arXiv:math/0702575 [pdf, other]

Title: Quillen's relative Chern character is multiplicative

Paul-Emile Paradan (I3M), Michèle Vergne (CMLS-EcolePolytechnique, IMJ)

Comments: 28 pages. This article will appear in the proceedings of the conference "Algebraic Analysis and Around" in honour of Professor Masaki Kashiwara's 60's birthday

Subjects: Differential Geometry (math.DG); K-Theory and Homology (math.KT)

[726] arXiv:math/0702576 [pdf, other]

Title: Upper-bound for the number of robust parabolic curves for a class of maps tangent to identity

Francesco Degli Innocenti, Chiara Frosini

Subjects: Complex Variables (math.CV)

[727] arXiv:math/0702577 [pdf, other]

Title: Yang-Baxter maps and multi-field integrable lattice equations

V.G. Papageorgiou, A.G. Tongas

Comments: 16 pages, 4 figures, corrected version

Journal-ref: J. Phys. A: Math Theor. 40 (2007) 12677-12690

Subjects: Quantum Algebra (math.QA); Mathematical Physics (math-ph); Exactly Solvable and Integrable Systems (nlin.SI)

[728] arXiv:math/0702578 [pdf, other]

Title: Small codimension smooth subvarieties in even-dimensional homogeneous spaces with Picard group $\Z$

Nicolas Perrin

Comments: 5 pages

Subjects: Algebraic Geometry (math.AG)

[729] arXiv:math/0702579 [pdf, other]

Title: Torelli theorem for moduli spaces of SL(r,C)-connections on a compact Riemann surface

Indranil Biswas, Vicente Muñoz

Comments: 24 pages, no figures; v2. Final version, accepted in Communications in Contemporary Math

Subjects: Algebraic Geometry (math.AG)

[730] arXiv:math/0702580 [pdf, other]

Title: Operations on A-theoretic nil-terms

Joachim Grunewald, John R. Klein, Tibor Macko

Comments: 24 pages, modified version with a new proof of the main theorem

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

[731] arXiv:math/0702581 [pdf, other]

Title: Busemann Functions and Julia-Wolff-Caratheodory Theorem for Polydiscs

Chiara Frosini

Subjects: Complex Variables (math.CV)

[732] arXiv:math/0702582 [pdf, other]

Title: Deformation spaces of G-trees and automorphisms of Baumslag-Solitar groups

Matt Clay

Comments: 30 pages, 14 figures, much improved section 3, incorporated referee's comments, to appear in Groups, Geometry and Dynamics

Subjects: Group Theory (math.GR)

[733] arXiv:math/0702583 [pdf, other]

Title: The argument shift method and maximal commutative subalgebras of Poisson algebras

Dmitri I. Panyushev, Oksana S. Yakimova

Comments: 13 pages

Subjects: Representation Theory (math.RT)

[734] arXiv:math/0702584 [pdf, other]

Title: Free Lie algebroids and the space of paths

Mikhail Kapranov

Comments: 42 pages, revised version, to appear in Selecta Math

Subjects: Algebraic Geometry (math.AG); Differential Geometry (math.DG)

[735] arXiv:math/0702585 [pdf, other]

Title: Poset algebras over well quasi-ordered posets

Uri Abraham, Robert Bonnet, Wieslaw Kubis

Comments: 28 pages

Journal-ref: Algebra Universalis 58 (2008), no. 3, 263--286

Subjects: General Topology (math.GN); Logic (math.LO)

[736] arXiv:math/0702586 [pdf, other]

Title: Sur l'homologie des fibres de Springer affines tronqu\'ees

Pierre-Henri Chaudouard, Gérard Laumon

Comments: 77 pages

Subjects: Algebraic Geometry (math.AG); Representation Theory (math.RT)

[737] arXiv:math/0702587 [pdf, other]

Title: The ultrafilter: A peerless tool

Labib Haddad

Comments: 54 pages, in English

Journal-ref: Tatra Mt. Math. Publ. Density Concepts, 31 (2005) 131--176

Subjects: History and Overview (math.HO); Combinatorics (math.CO)

[738] arXiv:math/0702588 [pdf, other]

Title: Introduction to Ann-categories

Tien Quang Nguyen

Comments: 11 pages

Journal-ref: Vietnam Journal of Mathematics Vol. XV, No 4, 1987

Subjects: Category Theory (math.CT)

[739] arXiv:math/0702589 [pdf, other]

Title: Global well-posedness for a Smoluchowski equation coupled with Navier-Stokes equations in 2D

Peter Constantin, Nader Masmoudi

Subjects: Analysis of PDEs (math.AP)

[740] arXiv:math/0702590 [pdf, other]

Title: On Serre duality for compact homologically smooth DG algebras

D. Shklyarov

Comments: 13 pages

Subjects: Rings and Algebras (math.RA)

[741] arXiv:math/0702591 [pdf, other]

Title: A Method for Avoiding Bias from Feature Selection with Application to Naive Bayes Classification Models

Longhai Li, Jianguo Zhang, Radford M. Neal

Subjects: Statistics Theory (math.ST)

[742] arXiv:math/0702592 [pdf, other]

Title: Alternating normal forms for braids and locally Garside monoids

Patrick Dehornoy (LMNO)

Subjects: Group Theory (math.GR)

[743] arXiv:math/0702593 [pdf, other]

Title: Analytic curves in algebraic varieties over number fields

Jean-Benoît Bost, Antoine Chambert-Loir

Comments: 55 pages. To appear in "Algebra, Arithmetic, and Geometry: In Honor of Y.i. Manin", Y. Tschinkel & Yu. Manin editors, Birkhäuser, 2009

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

[744] arXiv:math/0702594 [pdf, other]

Title: Deformations of the restricted Melikian Lie algebra

Filippo Viviani

Comments: 18 page, expanded version, to appear on Comm. Alg

Journal-ref: Comm. Algebra 37 (2009), no. 7, 1850--1872.

Subjects: Rings and Algebras (math.RA)

[745] arXiv:math/0702595 [pdf, other]

Title: A new method for computing asymptotics of diagonal coefficients of multivariate generating functions

Alexander Raichev, Mark C. Wilson

Comments: 9 pages, no figures

Subjects: Combinatorics (math.CO)

[746] arXiv:math/0702596 [pdf, other]

Title: Prime to p extensions of the generic abelian crossed product

Kelly McKinnie

Comments: 19 pages

Subjects: Rings and Algebras (math.RA)

[747] arXiv:math/0702597 [pdf, other]

Title: On rotationally invariant shrinking gradient Ricci solitons

Brett Kotschwar

Comments: 14 pages

Subjects: Differential Geometry (math.DG); Analysis of PDEs (math.AP)

[748] arXiv:math/0702598 [pdf, other]

Title: Nonholonomic Ricci Flows: II. Evolution Equations and Dynamics

Sergiu I. Vacaru

Comments: v2 41 pages, latex2e, 11pt, the variant accepted by J. Math. Phys. with former section 2 eliminated, a new section 5 with applications in gravity and geometric mechanics, and modified introduction, conclusion and new references

Journal-ref: J.Math.Phys.49:043504,2008

Subjects: Differential Geometry (math.DG); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th); Mathematical Physics (math-ph)

[749] arXiv:math/0702599 [pdf, other]

Title: A Bivariate Competing-Risks Model with One Termination Event

Cheng K. Lee

Subjects: Statistics Theory (math.ST)

[750] arXiv:math/0702600 [pdf, other]

Title: The number of openly generated Boolean algebras

Stefan Geschke, Saharon Shelah

Subjects: Logic (math.LO)