Mathematics

Authors and titles for February 2007

[601] arXiv:math/0702451 [pdf, other]

Title: Commutative rings with toroidal zero-divisor graphs

Hung-Jen Chiang-Hsieh, Neal O. Smith, Hsin-Ju Wang

Comments: Revision and correction of Table 2. To appear in Houston Journal of Mathematics

Subjects: Commutative Algebra (math.AC); Combinatorics (math.CO)

[602] arXiv:math/0702452 [pdf, other]

Title: Recursions for Excedance number in some permutations groups

Eli Bagno, David Garber, Toufik Mansour, Robert Shwartz

Comments: 14 pages, no figures; revised version with new results

Subjects: Combinatorics (math.CO); Group Theory (math.GR)

[603] arXiv:math/0702453 [pdf, other]

Title: Locally Euclidean metrics on R^3

Young Deuk Kim

Comments: 5 pages

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

[604] arXiv:math/0702454 [pdf, other]

Title: Multi-Solid Varieties and Mh-Transducers

Slavcho Shtrakov

Comments: 17 pages, 2 figures, Journal "Algebra and Discrete Mathematics", Number 3 (2007), pp. 113-131, this http URL

Subjects: General Mathematics (math.GM); Rings and Algebras (math.RA)

[605] arXiv:math/0702455 [pdf, other]

Title: Infinitesimal Einstein Deformations of Nearly K\"ahler Metrics

Andrei Moroianu, Uwe Semmelmann

Journal-ref: Trans. Amer. Math. Soc. 363, 3057-3069 (2011)

Subjects: Differential Geometry (math.DG)

[606] arXiv:math/0702456 [pdf, other]

Title: Moment inequalities for equilibrium measures in the plane

A. Baernstein II, R. S. Laugesen, I. E. Pritsker

Comments: 28 pages

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

[607] arXiv:math/0702457 [pdf, other]

Title: Topological invariants of piecewise hereditary algebras

Patrick Le Meur (CMLA)

Comments: The hypotheses of the main theorem were modified: The next now deals mainly with piecewise hereditary algebras which are derived equivalent to a hereditary algebra (instead of all piecewise hereditary algebras in the previous version)

Journal-ref: Transactions of the American Mathematical Society 363, 4 (2011) 2143--2170

Subjects: Representation Theory (math.RT)

[608] arXiv:math/0702458 [pdf, other]

Title: Compact and discrete subgroups of algebraic quantum groups I

M.B. Landstad, A. Van Daele

Subjects: Operator Algebras (math.OA); Rings and Algebras (math.RA)

[609] arXiv:math/0702459 [pdf, other]

Title: Microlocalization of subanalytic sheaves

Luca Prelli

Comments: 99 pages, uses xy-pic

Journal-ref: M\`emoires de la SMF 135 (2013)

Subjects: Algebraic Geometry (math.AG)

[610] arXiv:math/0702460 [pdf, other]

Title: Inheritance of Isomorphism Conjectures under colimits

Arthur Bartels, Siegfried Echterhoff, Wolfgang Lueck

Comments: 30 pages This is the final version, minor changes only. It will appear in the Valladolid Conference on K-theory and Noncommutative Geometry

Subjects: K-Theory and Homology (math.KT)

[611] arXiv:math/0702461 [pdf, other]

Title: A Riemann-Roch-Hirzebruch formula for traces of differential operators

Markus Engeli, Giovanni Felder (ETH Zurich)

Comments: 31 pages, 1 figure. Misprints corrected and appendix with analytical details added in v3

Subjects: Quantum Algebra (math.QA); Algebraic Geometry (math.AG)

[612] arXiv:math/0702462 [pdf, other]

Title: Ode to commutator operators

Stephen Semmes

Comments: 10 pages, latex-2e. some additions, changes, and corrections

Subjects: Classical Analysis and ODEs (math.CA)

[613] arXiv:math/0702463 [pdf, other]

Title: Where do power laws come from?

Joshua N. Cooper, Lincoln Lu

Comments: 12 pages, 1 figure

Subjects: Combinatorics (math.CO)

[614] arXiv:math/0702464 [pdf, other]

Title: An algorithm to approximate reals by rationals of the form a/b^2

I. Jimenez Calvo

Comments: 4 pages, 1 figure

Subjects: Number Theory (math.NT)

[615] arXiv:math/0702465 [pdf, other]

Title: Slow soliton interaction with delta impurities

Justin Holmer, Maciej Zworski

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

[616] arXiv:math/0702466 [pdf, other]

Title: Indivisible ultrametric spaces

Christian Delhommé, Claude Laflamme, Maurice Pouzet, Norbert Sauer

Comments: 21 pages

Subjects: Metric Geometry (math.MG)

[617] arXiv:math/0702467 [pdf, other]

Title: Quadratic forms and singularities of genus one or two

Georges Dloussky

Comments: 40 pages, 33 figures, misprints corrected, section 3.4 added

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

[618] arXiv:math/0702468 [pdf, other]

Title: Model theory and Kaehler geometry

Rahim Moosa, Anand Pillay

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

[619] arXiv:math/0702469 [pdf, other]

Title: Constant Mean Curvature n-noids with Platonic Symmetries

N Schmitt

Subjects: Differential Geometry (math.DG)

[620] arXiv:math/0702470 [pdf, other]

Title: Bounds for algorithms in differential algebra

Oleg Golubitsky, Marina Kondratieva, Marc Moreno Maza, Alexey Ovchinnikov

Comments: 40 pages

Journal-ref: Journal of Symbolic Computation 43 (8) (2008) 582-610

Subjects: Commutative Algebra (math.AC)

[621] arXiv:math/0702471 [pdf, other]

Title: The universality of Hom complexes

Anton Dochtermann

Comments: 14 pages, 12 figures

Subjects: Combinatorics (math.CO); Algebraic Topology (math.AT)

[622] arXiv:math/0702472 [pdf, other]

Title: Chow groups of the moduli spaces of weighted pointed stable curves of genus zero

Ozgur Ceyhan

Comments: Final version (to appear in Advances in Math), 20 pages, 1 figure

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

[623] arXiv:math/0702473 [pdf, other]

Title: Some applications and methods of large deviations in finance and insurance

Huyen Pham (PMA)

Subjects: Probability (math.PR); Statistical Finance (q-fin.ST)

[624] arXiv:math/0702474 [pdf, other]

Title: A note on percolation on Z^d: isoperimetric profile via exponential cluster repulsion

Gabor Pete

Comments: 15 pages, 2 figures. A small mistake in the proof of Theorem 1.2, pointed out by Yuval Peres and Perla Sousi, is corrected

Journal-ref: Elect. Comm. Probab. 13 (2008), 377--392

Subjects: Probability (math.PR); Combinatorics (math.CO)

[625] arXiv:math/0702475 [pdf, other]

Title: A matrix subadditivity inequality for f(A+B) and f(A)+f(B)

Jean-Christophe Bourin, Mitsuru Uchiyama

Comments: accepted in LAA

Subjects: Functional Analysis (math.FA); Operator Algebras (math.OA)

[626] arXiv:math/0702476 [pdf, other]

Title: Versal deformations of Leibniz algebras

Alice Fialowski (Eotvos Lorand University, Budapest, Hungary), Ashis Mandal (Indian Statistical Institute, Kolkata, India), Goutam Mukherjee (Indian Statistical Institute, Kolkata, India)

Comments: 29 pages

Subjects: Quantum Algebra (math.QA)

[627] arXiv:math/0702477 [pdf, other]

Title: Trees, valuations and the Green-Lazrsfeld set

Thomas Delzant

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

[628] arXiv:math/0702478 [pdf, other]

Title: Time-Reversibility in 2-Dim Systems

Valery G. Romanovski

Subjects: Dynamical Systems (math.DS); Mathematical Physics (math-ph)

[629] arXiv:math/0702479 [pdf, other]

Title: The spectra of the spherical and euclidean triangle groups

M. Harmer

Comments: accepted in the Journal of the Australian Mathematical Society

Journal-ref: Journal of the Australian Mathematical Society, 84 (2008), 217--227

Subjects: Spectral Theory (math.SP)

[630] arXiv:math/0702480 [pdf, other]

Title: New models for the action of Hecke operators in spaces of Maass wave forms

Ian Kiming

Comments: To appear in Ann. Inst. Fourier (Grenoble)

Subjects: Number Theory (math.NT); Representation Theory (math.RT)

[631] arXiv:math/0702481 [pdf, other]

Title: Central Limit Theorem for a Class of Relativistic Diffusions

Jürgen Angst (IRMA), Jacques Franchi (IRMA)

Comments: 20 pages

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

[632] arXiv:math/0702482 [pdf, other]

Title: Classification theorem on irreducible representations of the q-deformed algebra U'_q(so(n))

N. Z. Iorgov, A. U. Klimyk

Comments: 29 pages

Journal-ref: Int. J. Math. Math. Sci. vol.2005, No.2 (2005), 225-262

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

[633] arXiv:math/0702483 [pdf, other]

Title: IMEX method convergence for a parabolic equation

Michael Robinson

Comments: 10 pages

Subjects: Analysis of PDEs (math.AP)

[634] arXiv:math/0702484 [pdf, other]

Title: Quasi-lines and their degenerations

Laurent Bonavero, Andreas Höring

Comments: 20 pages, changed metadata

Subjects: Algebraic Geometry (math.AG)

[635] arXiv:math/0702485 [pdf, other]

Title: Linear Prediction of Long-Range Dependent Time Series

Fanny Godet (LMJL)

Subjects: Statistics Theory (math.ST)

[636] arXiv:math/0702486 [pdf, other]

Title: Krein duality, positive 2-algebras, and dilation of comultiplications (To the centenary of Mark G.Krein)

A.Vershik

Comments: P.25 Ref.32

Subjects: Quantum Algebra (math.QA)

[637] arXiv:math/0702487 [pdf, other]

Title: Valuations and plurisubharmonic singularities

Sebastien Boucksom, Charles Favre, Mattias Jonsson

Comments: 37 pages, new version. Changed the terminology from convex fonctions to formal psh functions. Corrected statement about the continuity of formal psh functions. Added a proof of the continuity of psh envelopes (theorem 5.13). Clarified the exposition (removed a section on the action of finite maps on formal psh functions). Added new references

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

[638] arXiv:math/0702488 [pdf, other]

Title: Algorithms for Solving Linear Congruences and Systems of Linear Congruences

Florentin Smarandache

Comments: 9 pages

Journal-ref: Gamma, Year X, Nos. 1-2, 1987

Subjects: General Mathematics (math.GM)

[639] arXiv:math/0702489 [pdf, other]

Title: On the Finiteness Property for Rational Matrices

Raphael M. Jungers, Vincent D. Blondel

Comments: 12 pages, 1 figure

Subjects: Dynamical Systems (math.DS)

[640] arXiv:math/0702490 [pdf, other]

Title: Further results on coset representative categories

M.M. Al-Shomrani, E.J. Beggs

Comments: several picture files

Subjects: Quantum Algebra (math.QA)

[641] arXiv:math/0702491 [pdf, other]

Title: Compact pseudo-Riemannian manifolds with parallel Weyl tensor

Andrzej Derdzinski (Ohio State University), Witold Roter (Wroclaw University of Technology)

Comments: 19 pages

Journal-ref: Annals of Global Analysis and Geometry vol. 37 (2010), no. 1, pp. 73-90

Subjects: Differential Geometry (math.DG)

[642] arXiv:math/0702492 [pdf, other]

Title: Auslander-type conditions and cotorsion pairs

Zhaoyong Huang, Osamu Iyama

Comments: 18 pages

Journal-ref: J. Algebra 318 (2007), no. 1, 93--110

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

[643] arXiv:math/0702493 [pdf, other]

Title: The Conjugates of Algebraic Schemes

Feng-Wen An

Comments: A reduced and refined version. 26 Pages

Subjects: Algebraic Geometry (math.AG)

[644] arXiv:math/0702494 [pdf, other]

Title: A sequence of matrix valued orthogonal polynomials associated to spherical functions

I. Pacharoni, P. Roman

Subjects: Representation Theory (math.RT); Mathematical Physics (math-ph)

[645] arXiv:math/0702495 [pdf, other]

Title: Reversible maps and composites of involutions in groups of piecewise linear homeomorphisms of the real line

Nick Gill, Ian Short

Comments: 10 pages, 0 figures. Version 4 includes a few small clarifications and corrections. To appear in Aequationes Math

Subjects: Group Theory (math.GR); Dynamical Systems (math.DS)

[646] arXiv:math/0702496 [pdf, other]

Title: On the boundary of Teichmueller disks in Teichmueller and in Schottky space

Frank Herrlich, Gabriela Schmithuesen

Comments: 60 pages. To appear in: Handbook of Teichmueller theory, ed. A. Papadopoulos, European Mathematical Society

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

[647] arXiv:math/0702497 [pdf, other]

Title: Beurling-Malliavin theory for Toeplitz kernels

N. Makarov, A. Poltoratski

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

[648] arXiv:math/0702498 [pdf, other]

Title: A generalization of the Levi problem with singularities

Youssef Alaoui

Subjects: Complex Variables (math.CV)

[649] arXiv:math/0702499 [pdf, other]

Title: Infinitesimal deformations of restricted simple Lie algebras II

Filippo Viviani

Comments: 26 pages, final version, to appear on J. Pure and Applied Algebra

Journal-ref: J. Pure App. Algebra 213 (2009), 1702-1721.

Subjects: Rings and Algebras (math.RA)

[650] arXiv:math/0702500 [pdf, other]

Title: The Moduli Space of Thickenings

Mokhtar Aouina

Subjects: Algebraic Topology (math.AT); Geometric Topology (math.GT)