Mathematics

Authors and titles for February 2009

[201] arXiv:0902.0673 [pdf, other]

Title: Optimal profiles in variable speed flows

Gianluca Argentini

Comments: 5 pages, 3 figures

Subjects: History and Overview (math.HO); Computational Engineering, Finance, and Science (cs.CE); Optimization and Control (math.OC); Fluid Dynamics (physics.flu-dyn)

[202] arXiv:0902.0680 [pdf, other]

Title: Ergodic Theorems for Homogeneous Dilations

Michael Björklund

Comments: 11 pages

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

[203] arXiv:0902.0681 [pdf, other]

Title: Generalized Hopf Bifurcation for planar vector fields via the inverse integrating factor

Isaac A. Garcia, Hector Giacomini, Maite Grau

Comments: 41 pages, no figures

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

[204] arXiv:0902.0684 [pdf, other]

Title: Projective reflection groups

Fabrizio Caselli

Comments: 24 pages

Subjects: Combinatorics (math.CO); Representation Theory (math.RT)

[205] arXiv:0902.0685 [pdf, other]

Title: The inception of Symplectic Geometry: the works of Lagrange and Poisson during the years 1808-1810

Charles-Michel Marle

Comments: Presented at the meeting "Poisson 2008" in Lausanne, July 2008. Published in Letters in Mathematical Physics. 22 pages

Journal-ref: Letters in Mathematical Physics vol. 90 numbers 1-3 december 2009

Subjects: History and Overview (math.HO); Differential Geometry (math.DG)

[206] arXiv:0902.0690 [pdf, other]

Title: On the Banach $*$-algebra crossed product associated with a topological dynamical system

Marcel de Jeu, Christian Svensson, Jun Tomiyama

Comments: 19 pages. Some typos corrected and minor changes in presentation. Final version, to appear in Journal of Functional Analysis

Journal-ref: J. Funct. Anal. 262 (2012) 4746-4765

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

[207] arXiv:0902.0691 [pdf, other]

Title: On some hydrodynamical aspects of quantum mechanics

Mauro Spera

Comments: 13 pages

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

[208] arXiv:0902.0692 [pdf, other]

Title: Prime and almost prime integral points on principal homogeneous spaces

Amos Nevo, Peter Sarnak

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

[209] arXiv:0902.0694 [pdf, other]

Title: Some Rigorous Results on Semiflexible Polymers. I. Free and confined polymers

Ostap Hryniv, Yvan Velenik

Comments: Version to appear Stoch. Proc. Appl. Mostly cosmetic changes

Journal-ref: Stochastic Process. Appl., Vol. 119, Nr. 10 (2009) , p. 3081--3100

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

[210] arXiv:0902.0705 [pdf, other]

Title: An open-closed cobordism category with background space

Elizabeth Hanbury

Comments: 29 pages. To appear in AGT

Journal-ref: Algebr. Geom. Topol. 9 (2009) 833-863

Subjects: Algebraic Topology (math.AT)

[211] arXiv:0902.0706 [pdf, other]

Title: Numerical studies on the self-similar collapse of the alpha-patches problem

Ana M. Mancho

Comments: 31 pages, 12 figures

Journal-ref: Communications in Nonlinear Science and Numerical Simulation 26 (1-3) (2015) 152-166

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

[212] arXiv:0902.0708 [pdf, other]

Title: New results on multiplication in Sobolev spaces

Carlo Morosi (Politecnico di Milano), Livio Pizzocchero (Universita' di Milano)

Comments: LaTex, 47 pages

Journal-ref: Advances in Applied Mathematics 44 (2010) 393-432

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

[213] arXiv:0902.0709 [pdf, other]

Title: A Finitization of the Bead Process

Benjamin J. Fleming, Peter J. Forrester, Eric Nordenstam

Comments: 27 pages, 4 figures

Subjects: Probability (math.PR)

[214] arXiv:0902.0714 [pdf, other]

Title: Graded and Koszul categories

Roberto Martinez-Villa, Øyvind Solberg

Comments: 34 pages

Journal-ref: Appl. Categ. Structures 18 (2010), no. 6, 615-652

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

[215] arXiv:0902.0718 [pdf, other]

Title: On the classifying space of the family of finite and of virtually cyclic subgroups for CAT(0)-groups

Wolfgang Lueck

Comments: 14 pages

Subjects: Algebraic Topology (math.AT)

[216] arXiv:0902.0721 [pdf, other]

Title: Some ideas about quantitative convergence of collision models to their mean field limit

Remi Peyre

Comments: 27 pages, references added and style improved

Subjects: Probability (math.PR)

[217] arXiv:0902.0722 [pdf, other]

Title: Semiclassical stationary states for nonlinear Schroedinger equations with fast decaying potentials

Vitaly Moroz, Jean Van Schaftingen

Comments: 22 pages

Journal-ref: Calc. Var. Partial Differential Equations 37 (2010), no. 1, 1-27

Subjects: Analysis of PDEs (math.AP)

[218] arXiv:0902.0723 [pdf, other]

Title: On $T$-sequences and characterized subgroups

S.S. Gabriyelyan

Subjects: General Topology (math.GN); Group Theory (math.GR)

[219] arXiv:0902.0727 [pdf, other]

Title: On the eigenvalues of Cayley graphs on the symmetric group generated by a complete multipartite set of transpositions

Filippo Cesi

Comments: 29 pages. Includes modification which appear on the published version in J. Algebraic Combin

Journal-ref: J. Algebraic Combin. 32, no. 2, 155-185 (2010)

Subjects: Combinatorics (math.CO)

[220] arXiv:0902.0732 [pdf, other]

Title: An algebraic proof of Bogomolov-Tian-Todorov theorem

Donatella Iacono, Marco Manetti

Comments: 20 pages, amsproc

Journal-ref: Deformation spaces, Vieweg Aspects Math. (2010) 113-133

Subjects: Algebraic Geometry (math.AG)

[221] arXiv:0902.0742 [pdf, other]

Title: Syntax for Split Preorders

K. Dosen, Z. Petric

Comments: 60 pages, updated references

Subjects: Category Theory (math.CT); Logic (math.LO)

[222] arXiv:0902.0743 [pdf, other]

Title: Isoperimetry for spherically symmetric log-concave probability measures

Nolwen Huet (IMT)

Subjects: Probability (math.PR)

[223] arXiv:0902.0750 [pdf, other]

Title: Solutions of the Perturbed KDV Equation for Convecting Fluids by Factorizations

O. Cornejo-Perez, H.C. Rosu

Comments: 4 pages, some changes in the text according to referees' suggestions, added one reference, accepted at Central Europ. J. Phys

Journal-ref: Central Eur. J. Phys. 8(4) 523-526 (2010)

Subjects: Mathematical Physics (math-ph)

[224] arXiv:0902.0754 [pdf, other]

Title: Admissible Diagrams in U_{q}^{w}(g) and Combinatoric Properties of Weyl Groups

Antoine Mériaux, Gérard Cauchon

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

[225] arXiv:0902.0760 [pdf, other]

Title: Heun equations coming from geometry

Hossein Movasati, Stefan Reiter

Comments: 14 pages

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

[226] arXiv:0902.0762 [pdf, other]

Title: Correlated Drainage Model

Siva Athreya, Sreekar Vadlamani

Comments: This paper has been withdrawn by the authors due to a crucial error in the main theorem.

Subjects: Probability (math.PR)

[227] arXiv:0902.0766 [pdf, other]

Title: Hodge structures on analytic moduli of real pluriharmonic bundles

J. P. Pridham

Comments: 18 pages

Subjects: Algebraic Geometry (math.AG)

[228] arXiv:0902.0770 [pdf, other]

Title: Formality and splitting of real non-abelian mixed Hodge structures

J. P. Pridham

Comments: This paper has been withdrawn by the author. Withdrawn - superseded by sections 1-10 of arXiv:1104.1409; 71 pages, supersedes arXiv:math/0611686; v2 overhauled, main new results are Thm 3.10, Sections 7 & 8, & parts of Section 2

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

[229] arXiv:0902.0771 [pdf, other]

Title: Cubic algebras and Implication Algebras

Colin Bailey, Joseph Oliveira

Comments: 24 pages

Subjects: Combinatorics (math.CO)

[230] arXiv:0902.0779 [pdf, other]

Title: The tropical vertex

Mark Gross, Rahul Pandharipande, Bernd Siebert

Comments: 57 pages, 1 figure; some typoes corrected and additional references given. Example 1.11 added

Journal-ref: Duke Math. J. 153, no. 2 (2010), 297-362

Subjects: Algebraic Geometry (math.AG); Symplectic Geometry (math.SG)

[231] arXiv:0902.0784 [pdf, other]

Title: Campbell diagrams of weakly anisotropic flexible rotors

Oleg N. Kirillov

Comments: 20 pages, 8 figures;

Journal-ref: Proceedings of the Royal Society A, 2009, Vol. 465, No. 2109, P. 2703-2723

Subjects: Mathematical Physics (math-ph); Earth and Planetary Astrophysics (astro-ph.EP); Pattern Formation and Solitons (nlin.PS); Classical Physics (physics.class-ph); Fluid Dynamics (physics.flu-dyn); Geophysics (physics.geo-ph); Plasma Physics (physics.plasm-ph)

[232] arXiv:0902.0788 [pdf, other]

Title: On the characterization of asymptotic cases of the diffusion equation with rough coefficients and applications to preconditioning

Burak Aksoylu, Horst R. Beyer

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

[233] arXiv:0902.0789 [pdf, other]

Title: The series limit of sum_k 1/[k log k (log log k)^2]

Richard J. Mathar

Comments: Appendix B concering series of log(k)/(k^2-a^2) added in in Version 3

Subjects: Numerical Analysis (math.NA)

[234] arXiv:0902.0797 [pdf, other]

Title: De Toda \`a KdV

Dario Bambusi, Thomas Kappeler, Thierry Paul (DMA)

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

[235] arXiv:0902.0799 [pdf, other]

Title: Generating pairs of 2-bridge knot groups

Michael Heusener, Richard Weidmann (MACS)

Comments: Final version to appear in Geometriae Dedicata

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

[236] arXiv:0902.0801 [pdf, other]

Title: Cohomology of finite dimensional pointed Hopf algebras

M. Mastnak, J. Pevtsova, P. Schauenburg, S. Witherspoon

Comments: 36 pages, references added

Subjects: Rings and Algebras (math.RA); K-Theory and Homology (math.KT); Representation Theory (math.RT)

[237] arXiv:0902.0802 [pdf, other]

Title: On the rigidity of solitary waves for the focusing mass-critical NLS in dimensions $d\ge 2$

Dong Li, Xiaoyi Zhang

Comments: 67 pages

Subjects: Analysis of PDEs (math.AP)

[238] arXiv:0902.0804 [pdf, other]

Title: On a nonlinear recurrent relation

Dong Li

Comments: to appear in Journal of Statistical Physics

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

[239] arXiv:0902.0807 [pdf, other]

Title: Dynamics for the energy critical nonlinear Schr\"odinger equation in high dimensions

Dong Li, Xiaoyi Zhang

Comments: 30 Pages. To appear JFA

Subjects: Analysis of PDEs (math.AP)

[240] arXiv:0902.0808 [pdf, other]

Title: Strong commutativity preserving maps on Lie ideals of semiprime rings

L. Oukhtite, S. Salhi, L. Taoufiq

Comments: 7 pages

Journal-ref: Beitrage zur algebra und geometrie 49 (2) (2008) 441--447

Subjects: Rings and Algebras (math.RA)

[241] arXiv:0902.0815 [pdf, other]

Title: Centralizing automorphisms and Jordan left derivations on $\sigma$-prime rings

L. Oukhtite, S. Salhi

Comments: 8 pages

Journal-ref: Advances in algebra 1 (1) (2008) 19-26

Subjects: Rings and Algebras (math.RA)

[242] arXiv:0902.0821 [pdf, other]

Title: Total Current Fluctuations in ASEP

Craig A. Tracy, Harold Widom

Journal-ref: J. Math. Phys. 50, 095204 (2009)

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

[243] arXiv:0902.0829 [pdf, other]

Title: Shearing coordinates and convexity of length functions on Teichmueller space

M. Bestvina, K. Bromberg, K. Fujiwara, J. Souto

Subjects: Geometric Topology (math.GT)

[244] arXiv:0902.0833 [pdf, other]

Title: Finite Thurston type orderings on dual braid monoids

Tetsuya Ito

Comments: 28pages, 5 figures

Journal-ref: J. Knot Theory Ramifications 20 (2011), 995-1019

Subjects: Group Theory (math.GR)

[245] arXiv:0902.0835 [pdf, other]

Title: Local index formula and twisted spectral triples

Henri Moscovici

Comments: 41 pages; minor changes; To appear in: CMI Proceedings of Noncommutative Geometry Conference in honor of Alain CONNES' 60th birthday

Subjects: Operator Algebras (math.OA); K-Theory and Homology (math.KT)

[246] arXiv:0902.0837 [pdf, other]

Title: The internally 4-connected binary matroids with no M(K3,3)-minor

Dillon Mayhew, Gordon Royle, Geoff Whittle

Comments: 113 pages, 21 figures

Subjects: Combinatorics (math.CO)

[247] arXiv:0902.0838 [pdf, other]

Title: The Ergodic Capacity of Phase-Fading Interference Networks

Syed A. Jafar

Comments: 19 pages

Journal-ref: IEEE Transactions on Information Theory, Vol. 57, No. 12, Pages: 7685-7694, December 2011

Subjects: Information Theory (cs.IT)

[248] arXiv:0902.0841 [pdf, other]

Title: A note on the counterfeit coins problem

An-Ping Li

Comments: In the new version, there is Proposition 2 added, which is a result similar to Proposition 1 on the subject of sorting.

Subjects: Combinatorics (math.CO)

[249] arXiv:0902.0842 [pdf, other]

Title: On finite imaginaries

Ehud Hrushovski

Comments: 15pp

Subjects: Logic (math.LO)

[250] arXiv:0902.0844 [pdf, other]

Title: An invariant for difference field extensions

Zoé Chatzidakis, Ehud Hrushovski

Comments: After posting the previous version, we discovered the work of Willis on totally disconnected locally compact groups. Over a large area of overlap, our "distant degree" invariant of an automorphism agrees with Willis' {\em scale}. In the new version we describe the relations between the two frameworks. 14pp. July 2011: Small changes

Subjects: Logic (math.LO)