Mathematics

Authors and titles for February 2009

[801] arXiv:0902.2993 [pdf, other]

Title: Weak convergence and cancellation

Christina Sormani, Stefan Wenger

Comments: 22 pages, with an appendix by Raanan Schul and the second author

Journal-ref: Calculus of Variations and Partial Differential Equations, Vol. 38, No 1-2, May 2010, pp 183-206

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

[802] arXiv:0902.2996 [pdf, other]

Title: Detecting a conditional extrme value model

Bikramjit Das, Sidney I. Resnick

Comments: 21 pages, 4 figures

Subjects: Statistics Theory (math.ST)

[803] arXiv:0902.3006 [pdf, other]

Title: On linear elliptic and parabolic equations with growing drift in Sobolev spaces without weights

N.V. Krylov

Comments: 15 pages, a few references added along with discussion of them. Assumption 3.1 (ii) changed and is now somewhat stronger

Subjects: Analysis of PDEs (math.AP)

[804] arXiv:0902.3013 [pdf, other]

Title: Totally acyclic complexes over noetherian schemes

Daniel Murfet, Shokrollah Salarian

Comments: 37 pages, comments welcome

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

[805] arXiv:0902.3020 [pdf, other]

Title: Which compacta are noncommutative ARs?

A.Chigogidze, A.N.Dranishnikov

Comments: 8 pages

Subjects: Operator Algebras (math.OA); Geometric Topology (math.GT)

[806] arXiv:0902.3030 [pdf, other]

Title: Separators of fat points in P^n

Elena Guardo, Lucia Marino, Adam Van Tuyl

Comments: 22 pages; minor revisions throughout; to appear in Journal of Algebra

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

[807] arXiv:0902.3036 [pdf, other]

Title: Sharpening and generalizations of Shafer-Fink's double inequality for the arc sine function

Feng Qi, Bai-Ni Guo

Comments: 5 pages

Journal-ref: Bai-Ni Guo, Qiu-Ming Luo, and Feng Qi, Filomat 27 (2013), no. 2, 261--265

Subjects: Classical Analysis and ODEs (math.CA)

[808] arXiv:0902.3037 [pdf, other]

Title: A generalization of a theorem of Foxby

Tokuji Araya, Ryo Takahashi

Comments: 4 pages, the proof of Lemma 2.1 is shortened, to appear in Arch. Math. (Basel)

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

[809] arXiv:0902.3039 [pdf, other]

Title: Sharpening and generalizations of Carlson's double inequality for the arc cosine function

Bai-Ni Guo, Feng Qi

Comments: 7 pages

Journal-ref: Jiao-Lian Zhao, Chun-Fu Wei, Bai-Ni Guo, and Feng Qi, Sharpening and generalizations of Carlson's double inequality for the arc cosine function, Hacettepe Journal of Mathematics and Statistics 41 (2012), no. 2, 201--209

Subjects: Classical Analysis and ODEs (math.CA)

[810] arXiv:0902.3041 [pdf, other]

Title: Some comments on rigorous quantum field path integrals in the analytical regularization scheme

Luiz.C.L.Botelho

Comments: 16 pagesIn order to protest against that stupid and ruthless decision of arxiv moderation in not allow me to submit unplished articles in arxiv

Journal-ref: Advances in Mathematical Physics , v. 2011, p. 1-14, 2011

Subjects: Mathematical Physics (math-ph)

[811] arXiv:0902.3045 [pdf, other]

Title: Strictly Singular Uniform $\lambda-$Adjustment in Banach Spaces

Boris Burshteyn

Comments: 23 pages

Subjects: Functional Analysis (math.FA)

[812] arXiv:0902.3047 [pdf, other]

Title: Repetitive cluster-tilted algebras

Shunhua Zhang, Yuehui Zhang

Comments: 10 pages. arXiv admin note: text overlap with arXiv:0808.2352 by other authors

Journal-ref: Acta Mathematica Scientia, 32B(4)(2012), 1449-1454

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

[813] arXiv:0902.3052 [pdf, other]

Title: On the strange duality conjecture for elliptic K3 surfaces

Alina Marian, Dragos Oprea

Comments: This paper has been withdrawn since the authors obtained stronger results in the paper "Generic strange duality for K3 surfaces" using different methods.

Subjects: Algebraic Geometry (math.AG)

[814] arXiv:0902.3061 [pdf, other]

Title: Distinction and Asai $L$-functions for generic representations of general linear groups over p-adic fields

Nadir Matringe

Subjects: Representation Theory (math.RT)

[815] arXiv:0902.3062 [pdf, other]

Title: Polygons as optimal shapes with convexity constraint

Jimmy Lamboley (IRMAR), Arian Novruzi

Subjects: Optimization and Control (math.OC)

[816] arXiv:0902.3064 [pdf, other]

Title: Coleff-Herrera currents, duality, and Noetherian operators

Mats Andersson

Subjects: Complex Variables (math.CV)

[817] arXiv:0902.3073 [pdf, other]

Title: Log-convexity and log-concavity of hypergeometric-like functions

D.Karp, S.M. Sitnik

Comments: 13 pages, no figures

Journal-ref: Journal of Mathematical Analysis and Applications, 364:2 (2010) 384-394

Subjects: Classical Analysis and ODEs (math.CA)

[818] arXiv:0902.3074 [pdf, other]

Title: On the distance between the expressions of a permutation

Marc Autord (LMNO), Patrick Dehornoy (LMNO)

Subjects: Combinatorics (math.CO)

[819] arXiv:0902.3075 [pdf, other]

Title: On Partitions of Finite vector Spaces

Antonino Giorgio Spera

Comments: 14 pages

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

[820] arXiv:0902.3076 [pdf, other]

Title: Coding for the Non-Orthogonal Amplify-and-Forward Cooperative Channel

Ghassan M. Kraidy, Nicolas Gresset, Joseph J. Boutros

Comments: 25 pages, 10 figures, submitted to IEEE Transactions on Information Theory

Subjects: Information Theory (cs.IT)

[821] arXiv:0902.3078 [pdf, other]

Title: Maps on noncommutative Orlicz spaces

Louis E. Labuschagne, Wladyslaw A. Majewski

Comments: 24 pages. Changes in this revised version concerns Section 3

Subjects: Operator Algebras (math.OA); Mathematical Physics (math-ph)

[822] arXiv:0902.3084 [pdf, other]

Title: An extension of the Duistermaat-Singer Theorem to the semi-classical Weyl algebra

Yves Colin De Verdière (IF)

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

[823] arXiv:0902.3093 [pdf, other]

Title: Upper bounds for the order of an additive basis obtained by removing a finite subset of a given basis

Bakir Farhi

Comments: 17 pages

Journal-ref: J. Number Theory, 128 (2008), p. 2214-2230

Subjects: Number Theory (math.NT); Combinatorics (math.CO)

[824] arXiv:0902.3096 [pdf, other]

Title: Reconstruction of the singularities of a potential from backscattering data in 2D and 3D

Juan Manuel Reyes, Alberto Ruiz

Comments: 33 pages

Subjects: Analysis of PDEs (math.AP)

[825] arXiv:0902.3101 [pdf, other]

Title: Star products: a group-theoretical point of view

Paolo Aniello

Comments: 42 pages; conclusions added; a few references added

Journal-ref: J.Phys.A42:475210,2009

Subjects: Mathematical Physics (math-ph); Quantum Physics (quant-ph)

[826] arXiv:0902.3106 [pdf, other]

Title: Distributional and classical solutions to the Cauchy Boltzmann problem for soft potentials with integrable angular cross section

Ricardo J. Alonso, Irene M. Gamba

Comments: 19 pages

Journal-ref: Journal of Statistical Physics, V 137, Numbers 5-6, 1147 - 1165 (2009)

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

[827] arXiv:0902.3110 [pdf, other]

Title: Frobenius maps on injective hulls and their applications to tight closure

Mordechai Katzman

Comments: Minor corrections, an example added. To appear in the Journal of the London Mathematical Society

Subjects: Commutative Algebra (math.AC)

[828] arXiv:0902.3113 [pdf, other]

Title: Asymptotics of classical spin networks

Stavros Garoufalidis, Roland van der Veen, with an appendix by Don Zagier

Comments: 24 pages, 32 figures

Journal-ref: Geom. Topol. 17 (2013) 1-37

Subjects: Geometric Topology (math.GT); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph); Quantum Algebra (math.QA)

[829] arXiv:0902.3114 [pdf, other]

Title: Analysis of the Second Moment of the LT Decoder

Ghid Maatouk, Amin Shokrollahi

Comments: 5 pages, 1 figure; submitted to ISIT 2009

Subjects: Information Theory (cs.IT)

[830] arXiv:0902.3116 [pdf, other]

Title: Loewner chains in the unit disk

Manuel D. Contreras, Santiago Diaz-Madrigal, Pavel Gumenyuk

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

[831] arXiv:0902.3125 [pdf, other]

Title: Ermakov-Lewis Invariants of the Gross-Pitaevskii Equation

J.M.F.Bassalo, P.T.S.Alencar, D.G.Silva, A.B.Nassar, M. Cattani

Comments: No figures 7 pages

Subjects: Mathematical Physics (math-ph); Quantum Physics (quant-ph)

[832] arXiv:0902.3126 [pdf, other]

Title: Bi-Lipschitz approximation by finite-dimensional imbeddings

Karin Usadi Katz, Mikhail G. Katz

Comments: 12 pages, 1 figure

Subjects: Differential Geometry (math.DG); Logic (math.LO)

[833] arXiv:0902.3137 [pdf, other]

Title: Large Deviations Theorems in Nonparametric Regression on Functional Data

Mohamed Cherfi (LSTA)

Subjects: Statistics Theory (math.ST)

[834] arXiv:0902.3140 [pdf, other]

Title: Nice sets and invariant densities in complex dynamics

Neil Dobbs

Comments: 11 pages, Lemma 10 was, ahem, missing. Other than that, it's just a lot cleaner

Journal-ref: Math. Proc. Camb. Phil. Soc. 150, No. 1, 157-165 (2011)

Subjects: Dynamical Systems (math.DS)

[835] arXiv:0902.3143 [pdf, other]

Title: Surface projective convexe de volume fini

Ludovic Marquis

Comments: To be publish in: Annales de l'Institut Fourier

Journal-ref: Annales de l'institut Fourier, 62 no. 1 (2012), p. 325-392

Subjects: Geometric Topology (math.GT)

[836] arXiv:0902.3152 [pdf, other]

Title: Kazhdan constants of group extensions

Uzy Hadad

Comments: 19 pages, minor changes, added references, To appear in International Journal of Algebra and Computation ?(IJAC)?

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

[837] arXiv:0902.3169 [pdf, other]

Title: On primordial groups for the Green ring

Alberto Raggi-Cardenas, Nadia Romero

Comments: 13 pages, changed content

Journal-ref: Proceedings of the Edinburgh Mathematical Society (2013) 56, 337-347

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

[838] arXiv:0902.3172 [pdf, other]

Title: Smoothability of Z\times Z-actions on 4-manifolds

Nobuhiro Nakamura

Comments: 6 pages

Journal-ref: Proc. Amer. Math. Soc. 138 (2010), no. 8, 2973-2978

Subjects: Geometric Topology (math.GT)

[839] arXiv:0902.3178 [pdf, other]

Title: Multiple Multicasts with the Help of a Relay

Deniz Gunduz, Osvaldo Simeone, Andrea J. Goldsmith, H. Vincent Poor, Shlomo Shamai (Shitz)

Comments: Submitted to Transactions on Information Theory

Subjects: Information Theory (cs.IT)

[840] arXiv:0902.3182 [pdf, other]

Title: Solvability Conditions for Some non Fredholm Operators

Vitali Vougalter, Vitaly Volpert (ICJ)

Subjects: Analysis of PDEs (math.AP)

[841] arXiv:0902.3187 [pdf, other]

Title: Codimension growth of a variety of Novikov algebras

A.S. Dzhumadil'daev

Comments: 7 pages

Subjects: Rings and Algebras (math.RA); Combinatorics (math.CO)

[842] arXiv:0902.3190 [pdf, other]

Title: On a polynomial zeta function

Sergio L. Cacciatori

Comments: 7 pages, 1 figure

Subjects: Mathematical Physics (math-ph); High Energy Physics - Theory (hep-th); Number Theory (math.NT)

[843] arXiv:0902.3193 [pdf, other]

Title: Products of functions in $\BMO$ and $\H^{1}$ spaces on spaces of homogeneous type

Justin Feuto

Comments: 18 pages, submitted

Subjects: Classical Analysis and ODEs (math.CA); Functional Analysis (math.FA)

[844] arXiv:0902.3202 [pdf, other]

Title: A limit of the confluent Heun equation and the Schroedinger equation for an inverted potential and for an electric dipole

Lea Jaccoud El-Jaick, Bartolomeu D. B. Figueiredo

Comments: The proof of convergence, section II.C, was modified

Subjects: Mathematical Physics (math-ph)

[845] arXiv:0902.3203 [pdf, other]

Title: On the \alpha-Invariants of Cubic Surfaces with Eckardt Points

Yalong Shi

Comments: 22 pages. We add a new section discussing singular stable cubic surfaces

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

[846] arXiv:0902.3204 [pdf, other]

Title: Fitting ideals and the Gorenstein property

Burcu Baran

Comments: 9 pages

Subjects: Commutative Algebra (math.AC)

[847] arXiv:0902.3215 [pdf, other]

Title: Relative equilibria of four identical satellites

Alain Albouy, Yanning Fu

Comments: 16 pages, 2 figures

Journal-ref: Proceedings of the Royal Society A, 465 (2009), pp. 2633-2645

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

[848] arXiv:0902.3216 [pdf, other]

Title: A Free boundary problem for the $p(x)$- Laplacian

Julián Fernández Bonder, Sandra Martínez, Noemi Wolanski

Comments: 35 pages, submitted

Subjects: Analysis of PDEs (math.AP)

[849] arXiv:0902.3220 [pdf, other]

Title: The congruence subgroup problem for branch groups

Laurent Bartholdi, Olivier Siegenthaler, Pavel Zalesskii

Comments: 22 pages, no figure

Journal-ref: Isr. J. Math. 187 (2012) 419--450

Subjects: Group Theory (math.GR)

[850] arXiv:0902.3234 [pdf, other]

Title: Two-dimensional Banach spaces with Polynomial numerical index zero

Domingo Garcia (Valencia), Bogdan Grecu (Belfast), Manuel Maestre (Valencia), Miguel Martin (Granada), Javier Meri (Granada)

Comments: 12 pages, to appear in Linear Algebra Appl

Subjects: Functional Analysis (math.FA)