Mathematics

Authors and titles for August 2007

[301] arXiv:0708.1321 [pdf, other]

Title: Graphical methods for efficient likelihood inference in Gaussian covariance models

Mathias Drton, Thomas S. Richardson

Comments: Major revision; to appear in Journal of Machine Learning Research

Subjects: Statistics Theory (math.ST)

[302] arXiv:0708.1328 [pdf, other]

Title: Limited scope adic transformations

Sarah Bailey Frick

Comments: 29 pages, 12 figures

Subjects: Dynamical Systems (math.DS)

[303] arXiv:0708.1329 [pdf, other]

Title: Explicit gradient estimates for minimal Lagrangian surfaces of dimension two

Micah Warren, Yu Yuan

Comments: 14 pages

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

[304] arXiv:0708.1334 [pdf, other]

Title: A Proof that Thompson's Groups have Infinitely Many Relative Ends

Daniel Farley

Comments: 11 pages, 1 figure

Subjects: Group Theory (math.GR)

[305] arXiv:0708.1343 [pdf, other]

Title: A Matrix Ring Description for Cyclic Convolutional Codes

Heide Gluesing-Luerssen, Fai-Lung Tsang

Subjects: Information Theory (cs.IT); Rings and Algebras (math.RA)

[306] arXiv:0708.1348 [pdf, other]

Title: On Gr-Functors between Gr-Categories: Obstruction theory for Gr-Functors of the type $(\varphi,f)$

Nguyen Tien Quang

Comments: 12 pager, For reduction, the abstract and subsection 1.1 have been edited; section 2 and the beginning of section 5 have been omitted. The definition of the functors of the type $(φ,f)$ has been introduced in order to represent some theorems and their proofs in other words

Subjects: Category Theory (math.CT)

[307] arXiv:0708.1350 [pdf, other]

Title: The marginalization paradox and the formal Bayes' law

Timothy C. Wallstrom

Comments: Presented at Maxent 2007, Saratoga Springs, NY, July 2007

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

[308] arXiv:0708.1352 [pdf, other]

Title: The theory of the exponential differential equations of semiabelian varieties

Jonathan Kirby

Comments: 53 pages; v3: Substantial changes, including a completely new introduction

Journal-ref: Selecta Mathematica 15, (2009) no. 3, 445--486

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

[309] arXiv:0708.1357 [pdf, other]

Title: New equivalences for pattern avoiding involutions

Mark Dukes, Vit Jelínek, Toufik Mansour, Astrid Reifegerste

Comments: 11 pages, 2 Tables

Subjects: Combinatorics (math.CO)

[310] arXiv:0708.1363 [pdf, other]

Title: On Rational Nilpotent Orbits of $SL_{n}$ and $Sp_{2n}$ over a Local Non-Archimedean Field

Monica Nevins

Comments: v2, 27 pages. Reduced to single-spacing (from double-spaced first version of 35 pages); typos corrected in Section 2; Corollary 4.5 strengthened

Subjects: Representation Theory (math.RT)

[311] arXiv:0708.1372 [pdf, other]

Title: Homological algebra for affine Hecke algebras

Eric Opdam, Maarten Solleveld

Comments: 54 pages

Journal-ref: Advances in Mathematics 220 (2009), 1549-1601

Subjects: Representation Theory (math.RT)

[312] arXiv:0708.1374 [pdf, other]

Title: Isogonal Conjugacy and Fermat Problems

Georgi Ganchev, Nikolai Nikolov

Comments: 11 pages, 8 figures

Subjects: General Mathematics (math.GM)

[313] arXiv:0708.1400 [pdf, other]

Title: Remarks on $\eta$-Einstein unit tangent bundles

Y. D. Chai, S. H. Chun, J. H. Park, K. Sekigawa

Comments: 15 pages

Subjects: Differential Geometry (math.DG)

[314] arXiv:0708.1403 [pdf, other]

Title: Four-dimensional almost Hermitian manifolds with vanishing Tricerri-Vanhecke Bochner curvature tensor

Y. Euh, J. Lee, J. H. Park, K. Sekigawa, A. Yamada

Comments: 16 pages

Subjects: Differential Geometry (math.DG)

[315] arXiv:0708.1412 [pdf, other]

Title: Which canonical algebras are derived equivalent to incidence algebras of posets?

Sefi Ladkani

Comments: 8 pages; slight revision; to appear in Comm. Algebra

Journal-ref: Communications in Algebra 36 (2008), 4599-4606

Subjects: Representation Theory (math.RT); Rings and Algebras (math.RA)

[316] arXiv:0708.1417 [pdf, other]

Title: Symplectic surgeries and normal surface singularities

David T. Gay, Andras I. Stipsicz

Comments: In the main result additional hypotheses were added and the proof has been modified accordingly

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

[317] arXiv:0708.1419 [pdf, other]

Title: On Local Integrability Conditions Of Jet Groupoids

Arne Lorenz

Comments: 11 pages

Subjects: Differential Geometry (math.DG)

[318] arXiv:0708.1423 [pdf, other]

Title: A property of cyclotomic polynomials

Giovanni Falcone

Comments: 4 pages, Problem 10914 in Amer. Math. Monthly 109 (Jan 2002)

Subjects: Number Theory (math.NT)

[319] arXiv:0708.1425 [pdf, other]

Title: Convergence analysis of the B\"ol-Reese discrete model for rubber

Roberto Alicandro (DAEIMI), Marco Cicalese, Antoine Gloria (INRIA Rocquencourt)

Subjects: Mathematical Physics (math-ph); Numerical Analysis (math.NA)

[320] arXiv:0708.1428 [pdf, other]

Title: Qualitative properties of coupled parabolic systems of evolution equations

Stefano Cardanobile, Delio Mugnolo

Journal-ref: Ann. Sc. Norm. Sup. Pisa, Cl. Sci, V Ser., VII (2008)

Subjects: Functional Analysis (math.FA); Analysis of PDEs (math.AP)

[321] arXiv:0708.1430 [pdf, other]

Title: Determinants related to Dirichlet characters modulo 2, 4 and 8 of binomial coefficients and the algebra of recurrence matrices

Roland Bacher (IF)

Comments: Final version, to appear in International Journal of Algebra and Computation

Journal-ref: International Journal of Algebra and Computation 18, 3 (2008) 535-566

Subjects: Number Theory (math.NT); Rings and Algebras (math.RA)

[322] arXiv:0708.1431 [pdf, other]

Title: Gradient estimates for a degenerate parabolic equation with gradient absorption and applications

Jean-Philippe Bartier, Philippe Laurençot

Subjects: Analysis of PDEs (math.AP)

[323] arXiv:0708.1433 [pdf, other]

Title: On exact solutions of a class of fractional Euler-Lagrange equations

Dumitru Baleanu, Juan J. Trujillo

Comments: 10 pages, LATEX. in press, Nonlinear Dynamics

Subjects: Mathematical Physics (math-ph)

[324] arXiv:0708.1437 [pdf, other]

Title: Twisted cohomology of the Hilbert schemes of points on surfaces

Marc A. Nieper-Wisskirchen

Comments: 16 pages

Subjects: Algebraic Geometry (math.AG); Algebraic Topology (math.AT)

[325] arXiv:0708.1470 [pdf, other]

Title: A note on the lambda-structure on the Burnside ring

Karl Rökaeus

Comments: 7 pages

Subjects: Group Theory (math.GR)

[326] arXiv:0708.1481 [pdf, other]

Title: Stanley Decompositions, Pretty Clean Filtrations and Reductions Modulo Regular Elements

Asia Rauf

Comments: 7 pages

Subjects: Commutative Algebra (math.AC)

[327] arXiv:0708.1487 [pdf, other]

Title: Quasisymmetric and unipotent tensor categories

Pavel Etingof, Shlomo Gelaki

Comments: 8 pages, latex

Subjects: Quantum Algebra (math.QA); Category Theory (math.CT)

[328] arXiv:0708.1491 [pdf, other]

Title: On perfect, amicable, and sociable chains

Jean-Luc Marichal

Comments: 10 pages

Subjects: Combinatorics (math.CO); Discrete Mathematics (cs.DM); Number Theory (math.NT)

[329] arXiv:0708.1500 [pdf, other]

Title: The reverse engineering problem with probabilities and sequential behavior: Probabilistic Sequential Networks

Maria A. Avino-Diaz

Comments: Key words: simulation, homomorphism, dynamical system, sequential network, reverse engineering problem. Submitted to Elsevier

Subjects: Dynamical Systems (math.DS); Category Theory (math.CT)

[330] arXiv:0708.1501 [pdf, other]

Title: Sch'nol's Theorem For Strongly Local Forms

Anne Boutet de Monvel, Daniel Lenz, Peter Stollmann

Comments: 18 pages

Subjects: Spectral Theory (math.SP); Analysis of PDEs (math.AP)

[331] arXiv:0708.1528 [pdf, other]

Title: Rankin-Cohen Deformations and Representation Theory

Yi-Jun Yao

Subjects: Quantum Algebra (math.QA); Combinatorics (math.CO)

[332] arXiv:0708.1547 [pdf, other]

Title: Strichartz Estimates for the Schroedinger Equation with Time-Periodic L^{n/2} Potentials

Michael Goldberg

Comments: 21 pages. Added L^2 stability statement to main theorem, as it was already implicit in the proof

Subjects: Analysis of PDEs (math.AP); Mathematical Physics (math-ph)

[333] arXiv:0708.1550 [pdf, other]

Title: Liouville-type theorems for foliations with complex leaves

Giuseppe Della Sala

Comments: 31 pages, no figures

Subjects: Complex Variables (math.CV)

[334] arXiv:0708.1551 [pdf, other]

Title: Left-symmetric Bialgebras and An Analogue of the Classical Yang-Baxter Equation

Chengming Bai

Comments: 44 pages

Journal-ref: Communications in Contemporary Mathematics 10 (2008) 221-260

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

[335] arXiv:0708.1554 [pdf, other]

Title: Floer Homology for Symplectomorphism

Hai-Long Her

Comments: 41 pages

Subjects: Symplectic Geometry (math.SG)

[336] arXiv:0708.1555 [pdf, other]

Title: Functions of representations of the class 1 on the homogeneous spaces of the de Sitter group

V. V. Varlamov

Comments: 2 pages

Journal-ref: Differential Equations, Theory of Functions, and Applications. International Conference Dedicated to the Centennial of Academician I. N. Vekua (May 28 - June 2, 2007, Novosibirsk, Russia). Abstracts, P. 410-411

Subjects: Mathematical Physics (math-ph)

[337] arXiv:0708.1556 [pdf, other]

Title: Seip's differentiability concepts as a particular case of the Bertram--Gloeckner--Neeb construction

Seppo I. Hiltunen

Comments: Comments: 32 pages, AmSLaTeX; versions 2--7: correction of misprints and minor mistakes, improvement of unhappy wordings, Proposition "C_{Se0} is BGN" added on page 22 in v2, (7) "locality" added to Proposition 47(=v1:46) in v3

Subjects: Functional Analysis (math.FA)

[338] arXiv:0708.1558 [pdf, other]

Title: Construction of a 3-Dimensional MDS code

A. Aguglia, L. Giuzzi

Comments: 8 Pages Minor typesetting changes; dedication

Journal-ref: Contributions to Discrete Mathematics 3 no. 1: 39-46 (2007)

Subjects: Information Theory (cs.IT)

[339] arXiv:0708.1560 [pdf, other]

Title: Defining amalgams of compact Lie groups

Ralf Köhl

Journal-ref: J. Lie Theory 16 (2006), 1-18

Subjects: Group Theory (math.GR)

[340] arXiv:0708.1562 [pdf, other]

Title: Products in Residue Classes

John B. Friedlander, Par Kurlberg, Igor E. Shparlinski

Comments: 18 pages

Subjects: Number Theory (math.NT)

[341] arXiv:0708.1563 [pdf, other]

Title: On the ground state of quantum layers

Zhiqin Lu

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

[342] arXiv:0708.1571 [pdf, other]

Title: Symmetries of quadratic forms classes and of quadratic surds continued fractions. Part I: A Poincar\'e model for the de Sitter world

Francesca Aicardi

Comments: 33 pages, 22 figures

Subjects: Number Theory (math.NT); General Mathematics (math.GM)

[343] arXiv:0708.1574 [pdf, other]

Title: Cartier isomorphism and Hodge Theory in the non-commutative case

D. Kaledin

Comments: LaTeX2e, 34 pages. Fixed some typos. Final version

Subjects: Algebraic Geometry (math.AG); K-Theory and Homology (math.KT)

[344] arXiv:0708.1575 [pdf, other]

Title: Symmetric Homology of Algebras

Shaun Ault, Zbigniew Fiedorowicz

Comments: 14 pages, references and discussion of recent related work by Vrecica and Zivaljevic has been added

Subjects: Algebraic Topology (math.AT)

[345] arXiv:0708.1577 [pdf, other]

Title: Equivariant homotopy and deformations of diffeomorphisms

C. E. Durán, A. Rigas

Comments: 10 pages

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

[346] arXiv:0708.1580 [pdf, other]

Title: Optimal Causal Inference: Estimating Stored Information and Approximating Causal Architecture

Susanne Still, James P. Crutchfield, Christopher J. Ellison

Comments: 14 pages, 13 figures; this http URL Updated figures and citations; added corrections and clarifications

Subjects: Information Theory (cs.IT); Statistical Mechanics (cond-mat.stat-mech); Machine Learning (cs.LG); Statistics Theory (math.ST)

[347] arXiv:0708.1581 [pdf, other]

Title: The equivariant cohomology of weighted projective space

Anthony Bahri, Matthias Franz, Nigel Ray

Comments: 11 pages; improved exposition

Journal-ref: Math. Proc. Camb. Phil. Soc. 146 (2009), 395-405

Subjects: Algebraic Topology (math.AT); Algebraic Geometry (math.AG)

[348] arXiv:0708.1582 [pdf, other]

Title: A Littlewood-Richardson rule for Grassmannian Permutations

Kevin Purbhoo, Frank Sottile

Comments: 10 pages, colour diagrams. Corrected an example

Subjects: Combinatorics (math.CO)

[349] arXiv:0708.1583 [pdf, other]

Title: Intransitive geometries

Ralf Köhl, Hendrik Van Maldeghem

Journal-ref: Proc. Lond. Math. Soc. 93 (2006), 666-692

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

[350] arXiv:0708.1585 [pdf, other]

Title: Applications of Poisson Geometry to Physical Problems

Darryl D. Holm

Comments: 139 pages; no figures. Submitted to the Proceedings of the Summer School and Conference on Poisson Geometry, 4-22 July 2005, Trieste, Italy

Journal-ref: GTM 17 (2011) 221-384

Subjects: Dynamical Systems (math.DS); Classical Analysis and ODEs (math.CA); Exactly Solvable and Integrable Systems (nlin.SI)