Mathematics

Authors and titles for April 2007

[801] arXiv:0704.3358 [pdf, other]

Title: A Class of pairwise-independent Joinings

Elise Janvresse (LMRS), Thierry De La Rue (LMRS)

Comments: Dedicated to the memory of Professor José de Sam Lazaro

Journal-ref: Ergodic Theory and Dynamical Systems 28, 5 (2008) 1545-1557

Subjects: Probability (math.PR)

[802] arXiv:0704.3363 [pdf, other]

Title: Topology and Factorization of Polynomials

Hani Shaker

Comments: Accepted in Mathematica Scandinavica. 8 pages

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

[803] arXiv:0704.3370 [pdf, other]

Title: Natural boundary of Dirichlet series

Gautami Bhowmik, Jan-Christoph Schlage-Puchta

Subjects: Complex Variables (math.CV); Number Theory (math.NT)

[804] arXiv:0704.3371 [pdf, other]

Title: Some remarks on generalized roundness

Ghislain Jaudon

Comments: 3 pages

Subjects: Group Theory (math.GR); Metric Geometry (math.MG)

[805] arXiv:0704.3373 [pdf, other]

Title: Extension of symmetries on Einstein manifolds with boundary

Michael T. Anderson

Comments: Correction to proof of main result given in new Appendix

Journal-ref: Selecta Mathematica, vol. 16 (2010), 343-375

Subjects: Differential Geometry (math.DG)

[806] arXiv:0704.3379 [pdf, other]

Title: $A^\nabla$-tensors on lightlike hypersurfaces

Cyriaque Atindogbe (IECN), Lionel Bérard Bergery (IECN)

Comments: soumis

Subjects: Differential Geometry (math.DG)

[807] arXiv:0704.3381 [pdf, other]

Title: Determinant Formulas Relating to Tableaux of Bounded Height

Guoce Xin

Comments: 15 pages, 4 figures

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

[808] arXiv:0704.3382 [pdf, other]

Title: A note on conformal connections on lightlike hypersurfaces

Cyriaque Atindogbe (IECN), Lionel Bérard Bergery (IECN)

Journal-ref: Conformal Geometry and Dynamics 11 (10/01/2007) 1-11

Subjects: Differential Geometry (math.DG)

[809] arXiv:0704.3383 [pdf, other]

Title: Einstein-Weyl structures on lightike hypersurfaces

Cyriaque Atindogbe (IECN), Lionel Bérard Bergery (IECN)

Comments: soumis

Subjects: Differential Geometry (math.DG)

[810] arXiv:0704.3386 [pdf, other]

Title: Four-dimensional Painlev\'e systems of types $D_5^{(1)}$ and $B_4^{(1)}$

Yusuke Sasano

Comments: 19 pages, 6 figures

Subjects: Algebraic Geometry (math.AG)

[811] arXiv:0704.3387 [pdf, other]

Title: Noncommutative Berezin transforms and model theory

Gelu Popescu

Comments: 41 pages

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

[812] arXiv:0704.3388 [pdf, other]

Title: L^2-Betti numbers of plane algebraic curves

Stefan Friedl, Constance Leidy, Laurentiu Maxim

Comments: Final version. To be published by the Michigan Mathematical Journal. 12 pages

Journal-ref: Michigan Math. J. 58 (2009), no. 2, 411-421

Subjects: Geometric Topology (math.GT); Algebraic Geometry (math.AG)

[813] arXiv:0704.3390 [pdf, other]

Title: Realizations of Seifert matrices by hyperbolic knots

Stefan Friedl

Comments: 4 pages, to be published by the Journal of Knot Theory and its Ramifications

Subjects: Geometric Topology (math.GT)

[814] arXiv:0704.3391 [pdf, other]

Title: Lifetime Improvement in Wireless Sensor Networks via Collaborative Beamforming and Cooperative Transmission

Zhu Han, H. Vincent Poor

Comments: Invited paper to appear in the IEE Proceedings: Microwaves, Antennas and Propagation, Special Issue on Antenna Systems and Propagation for Future Wireless Communications

Subjects: Information Theory (cs.IT)

[815] arXiv:0704.3393 [pdf, other]

Title: Exponential decay of correlation for the Stochastic Process associated to the Entropy Penalized Method

Diogo A. Gomes, Artur O. Lopes

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

[816] arXiv:0704.3396 [pdf, other]

Title: Lifetime Improvement of Wireless Sensor Networks by Collaborative Beamforming and Cooperative Transmission

Zhu Han, H. Vincent Poor

Comments: to appear, in the proceedings of IEEE International Conference on Communications, Glasgow, Scotland, 24-28 June 2007

Subjects: Information Theory (cs.IT)

[817] arXiv:0704.3398 [pdf, other]

Title: Almost Product Evaluation of Hankel Determinants

Omer Egecioglu, Timothy Redmond, Charles Ryavec

Comments: 58 pages, Version 3: Section 6.2 updated

Subjects: Combinatorics (math.CO)

[818] arXiv:0704.3399 [pdf, other]

Title: Cooperative Transmission Protocols with High Spectral Efficiency and High Diversity Order Using Multiuser Detection and Network Coding

Zhu Han, Xin Zhang, H. Vincent Poor

Comments: to appear, in the proceedings of IEEE International Conference on Communications, Glasgow, Scotland, 24-28 June 2007

Subjects: Information Theory (cs.IT)

[819] arXiv:0704.3400 [pdf, other]

Title: Large deviation generating function for energy transport in the Pauli-Fierz model

Wojciech De Roeck

Comments: 26 pages, 0 figures. v2 --> v3 major changes in notation and presentation. proofs have been made more compact

Subjects: Mathematical Physics (math-ph); Statistical Mechanics (cond-mat.stat-mech)

[820] arXiv:0704.3402 [pdf, other]

Title: Diversity-Multiplexing Tradeoff in Selective-Fading MIMO Channels

Pedro Coronel, Helmut Bölcskei

Comments: To be presented at IEEE Int. Symp. Inf. Theory 2007, Nice, France

Subjects: Information Theory (cs.IT)

[821] arXiv:0704.3404 [pdf, other]

Title: Smoothed Wigner transforms in the numerical simulation of semiclassical (high-frequency) wave propagation

Agissilaos G. Athanassoulis

Journal-ref: Dynamics of Continuous, Discrete and Impulsive Systems Series A, S2, 2007

Subjects: Analysis of PDEs (math.AP); Numerical Analysis (math.NA)

[822] arXiv:0704.3405 [pdf, other]

Title: Estimation Diversity and Energy Efficiency in Distributed Sensing

Shuguang Cui, Jinjun Xiao, Andrea Goldsmith, Zhi-Quan Luo, H. Vincent Poor

Comments: To appear at IEEE Transactions on Signal Processing

Subjects: Information Theory (cs.IT)

[823] arXiv:0704.3408 [pdf, other]

Title: The Trade-off between Processing Gains of an Impulse Radio UWB System in the Presence of Timing Jitter

Sinan Gezici, Andreas F. Molisch, H. Vincent Poor, Hisashi Kobayashi

Comments: To appear in the IEEE Transactions on Communications

Subjects: Information Theory (cs.IT)

[824] arXiv:0704.3410 [pdf, other]

Title: On the $p$-adic meromorphy of the function field height zeta function

C. Douglas Haessig

Comments: 5 pages. Comments welcome

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

[825] arXiv:0704.3411 [pdf, other]

Title: Twisted conjugacy classes in R. Thompson's group F

Collin Bleak, Alexander Fel'shtyn, Daciberg L. Gonçalves

Comments: 10 pages

Subjects: Group Theory (math.GR); Algebraic Topology (math.AT)

[826] arXiv:0704.3416 [pdf, other]

Title: Complexity of Villamayor's algorithm in the non exceptional monomial case

Rocio Blanco

Comments: 17 pages, to appear in International Journal of Mathematics. Corrected format

Subjects: Algebraic Geometry (math.AG)

[827] arXiv:0704.3417 [pdf, other]

Title: Cohomology of the minimal nilpotent orbit

Daniel Juteau

Comments: 29 pages, v2 : Leray-Serre spectral sequence replaced by Gysin sequence only, corrected typos

Journal-ref: Transformation Groups 13 (2), 355-387 (2008)

Subjects: Representation Theory (math.RT)

[828] arXiv:0704.3421 [pdf, other]

Title: Finite Gorenstein representation type implies simple singularity

Lars Winther Christensen, Greg Piepmeyer, Janet Striuli, Ryo Takahashi

Comments: Final version, to appear in Adv. Math. 14 pp

Subjects: Commutative Algebra (math.AC); Representation Theory (math.RT)

[829] arXiv:0704.3422 [pdf, other]

Title: Orthogonal complex structures on domains in R^4

Simon Salamon, Jeff Viaclovsky

Comments: 42 pages. Version 2 contains several improvements and simplifications throughout. Material from the first version on more general branched coverings has been removed in order to make the article more focused, and will appear elsewhere

Journal-ref: Final version: Math. Annalen 343, no. 4, 2009, 853-899

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

[830] arXiv:0704.3424 [pdf, other]

Title: A New Proof of Pappus's Theorem

Jeremy J. Carroll

Comments: 47 pages, 27 figures (typo corrected)

Subjects: Combinatorics (math.CO); Metric Geometry (math.MG)

[831] arXiv:0704.3425 [pdf, other]

Title: New Solvable Shape-Invariant Potentials for Position-Dependent Effective Mass

S.-A. Yahiaoui, H. Zerguini, M. Bentaiba

Comments: 20 pages, 0 figure

Subjects: Mathematical Physics (math-ph)

[832] arXiv:0704.3427 [pdf, other]

Title: Five-parameter family of partial differential systems in two variables

Yusuke Sasano

Comments: 9 pages, 2 figures

Subjects: Algebraic Geometry (math.AG)

[833] arXiv:0704.3434 [pdf, other]

Title: On sensing capacity of sensor networks for the class of linear observation, fixed SNR models

Shuchin Aeron, Manqi Zhao, Venkatesh Saligrama

Comments: 37 pages, single column

Subjects: Information Theory (cs.IT)

[834] arXiv:0704.3443 [pdf, other]

Title: Corestrictions of algebras and splitting fields

Daniel Krashen

Comments: 13 pages

Subjects: Rings and Algebras (math.RA)

[835] arXiv:0704.3448 [pdf, other]

Title: Finite Euler products and the Riemann Hypothesis

S. M. Gonek

Comments: 4 figures

Subjects: Number Theory (math.NT); Complex Variables (math.CV)

[836] arXiv:0704.3450 [pdf, other]

Title: The center of the generic algebra of degree p

Esther Beneish

Comments: I am withdrawing this article

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

[837] arXiv:0704.3456 [pdf, other]

Title: Spectral methods for orthogonal rational functions

Luis Velazquez

Comments: 62 pages

Subjects: Classical Analysis and ODEs (math.CA)

[838] arXiv:0704.3468 [pdf, other]

Title: Uniqueness of solutions of Ricci flow on complete noncompact manifolds

Shu-Yu Hsu

Comments: A simple example of a manifold with bounded curvature and injectivity radius going to zero as the point tends to infinity is given. A proof and argument why the crucial lemma Lemma 2.2 of the Chen-Zhu's paper \cite{CZ} cannot hold is given

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

[839] arXiv:0704.3469 [pdf, other]

Title: The enumeration of maximally clustered permutations

Hugh Denoncourt, Brant C. Jones

Comments: 17 pages; corrected typos, added new section

Subjects: Combinatorics (math.CO)

[840] arXiv:0704.3471 [pdf, other]

Title: Elimination Theory for Tropical Varieties

Bernd Sturmfels, Jenia Tevelev

Comments: 19 pages

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

[841] arXiv:0704.3494 [pdf, other]

Title: Cherednik algebras for algebraic curves

Michael Finkelberg, Victor Ginzburg

Comments: final version

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

[842] arXiv:0704.3499 [pdf, other]

Title: Well displacing representations and orbit maps

Thomas Delzant (IRMA), Olivier Guichard (LM-Orsay), François Labourie (LM-Orsay), Shahar Mozes

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

[843] arXiv:0704.3502 [pdf, other]

Title: Construction of type ${\rm II_1}$ factors with prescribed countable fundamental group

Cyril Houdayer

Comments: 33 pages

Journal-ref: J. reine angew Math. 634 (2009), 169-207

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

[844] arXiv:0704.3509 [pdf, other]

Title: The descent statistic on involutions is not log-concave

Marilena Barnabei, Flavio Bonetti, Matteo Silimbani

Comments: 10 pages

Subjects: Combinatorics (math.CO)

[845] arXiv:0704.3511 [pdf, other]

Title: Transverse LS-Category for Riemannian Foliations

Steven Hurder, Dirk Toeben

Subjects: Differential Geometry (math.DG)

[846] arXiv:0704.3513 [pdf, other]

Title: The Equivariant LS-Category of Polar Actions

Steven Hurder, Dirk Toeben

Subjects: Differential Geometry (math.DG)

[847] arXiv:0704.3519 [pdf, other]

Title: Chung's law for homogeneous Brownian functionals

Aimé Lachal (ICJ, DP), Thomas Simon (ICJ, DP)

Comments: Revised version, to appear in the Rocky Mountain Journal of Mathematics

Subjects: Probability (math.PR)

[848] arXiv:0704.3523 [pdf, other]

Title: Immersions of spheres and algebraically constructible functions

Iwona Karolkiewicz, Aleksandra Nowel, Zbigniew Szafraniec

Comments: 17 pages

Subjects: Algebraic Geometry (math.AG)

[849] arXiv:0704.3525 [pdf, other]

Title: Quantum chaos on discrete graphs

Uzy Smilansky

Subjects: Mathematical Physics (math-ph)

[850] arXiv:0704.3527 [pdf, other]

Title: Hypercontractivity, Nash inequalities, and subordination for classes of nonlinear semigroups

Fabio Cipriani, Gabriele Grillo

Comments: 19 pages

Journal-ref: Semigroup Forum 78 (2009), no. 1

Subjects: Functional Analysis (math.FA)