Differential Geometry

Authors and titles for math.DG in Nov 2008

[1]  arXiv:0811.0031 [ps, pdf, other]

Title: Riemannian metrics having the same geodesics with Berwald metrics

Authors: Vladimir S. Matveev

Comments: 10 pages; two .eps figures

Subjects: Differential Geometry (math.DG); Metric Geometry (math.MG)

[2]  arXiv:0811.0067 [ps, pdf, other]

Title: Einstein metrics and GIT stability

Authors: Akito Futaki, Hajime Ono

Comments: 29pages, Definition 4.1 is corrected

Subjects: Differential Geometry (math.DG)

[3]  arXiv:0811.0091 [ps, pdf, other]

Title: Product formula for Atiyah-Patodi-Singer index classes and higher signatures

Authors: Charlotte Wahl

Comments: 24 pages

Subjects: Differential Geometry (math.DG); K-Theory and Homology (math.KT)

[4]  arXiv:0811.0155 [ps, pdf, other]

Title: Calabi flow and projective embeddings

Authors: Joel Fine

Comments: 29 pages, v2 exposition changed in 1.3

Subjects: Differential Geometry (math.DG)

[5]  arXiv:0811.0165 [ps, pdf, other]

Title: Transference principles and locally symmetric spaces

Authors: Cornelia Drutu

Subjects: Differential Geometry (math.DG); Number Theory (math.NT)

[6]  arXiv:0811.0199 [ps, pdf, other]

Title: Tori Embedded in R3 with Dense Principal Lines

Authors: Ronaldo Garcia, Jorge Sotomayor

Comments: 8 pages, 1 figure

Subjects: Differential Geometry (math.DG); Dynamical Systems (math.DS)

[7]  arXiv:0811.0259 [ps, pdf, other]

Title: Stability of mean convex cones under mean curvature flow

Authors: Julie Clutterbuck, Oliver C. Schnürer

Comments: 13 pages, 1 figure

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

[8]  arXiv:0811.0330 [ps, pdf, other]

Title: A local optimal diastolic inequality on the two-sphere

Authors: Florent Balacheff (LPP)

Subjects: Differential Geometry (math.DG)

[9]  arXiv:0811.0547 [ps, pdf, other]

Title: Proper isometric actions

Authors: J. Carlos Diaz-Ramos

Comments: 2 pages

Subjects: Differential Geometry (math.DG)

[10]  arXiv:0811.0674 [ps, pdf, other]

Title: Kaehler-Einstein submanifolds of the infinite dimensional projective space

Authors: Andrea Loi, Michela Zedda

Comments: 11 pages

Subjects: Differential Geometry (math.DG); Complex Variables (math.CV)

[11]  arXiv:0811.0794 [ps, pdf, other]

Title: An isospectral deformation on an orbifold quotient of a nilmanifold

Authors: Emily Proctor, Elizabeth Stanhope

Subjects: Differential Geometry (math.DG)

[12]  arXiv:0811.0797 [ps, pdf, other]

Title: Spectral and geometric bounds on 2-orbifold diffeomorphism type

Authors: Emily Proctor, Elizabeth Stanhope

Subjects: Differential Geometry (math.DG)

[13]  arXiv:0811.0840 [ps, pdf, other]

Title: A note on the $\hat A$-genus for $\pi_2$-finite manifolds with $S^1$-symmetry

Authors: Manuel Amann, Anand Dessai

Subjects: Differential Geometry (math.DG)

[14]  arXiv:0811.0848 [ps, pdf, other]

Title: On the global well-posedness of the one-dimensional Schrodinger map flow

Authors: Igor Rodnianski, Yanir A. Rubinstein, Gigliola Staffilani

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

[15]  arXiv:0811.0928 [ps, pdf, other]

Title: Biharmonic curves on \textit{LP}-Sasakian manifolds

Authors: Sadık Keleş, Selcen Yüksel Perktaş, Erol Kılıç

Comments: 22 pages

Subjects: Differential Geometry (math.DG)

[16]  arXiv:0811.0961 [ps, pdf, other]

Title: A generalization of Abel's Theorem and the Abel--Jacobi map

Authors: Johan L. Dupont, Franz W. Kamber

Comments: 27 pages

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

[17]  arXiv:0811.0991 [ps, pdf, other]

Title: A note on compact Kähler-Ricci flow with positive bisectional curvature

Authors: Huai-Dong Cao, Meng Zhu

Comments: Simplified the proof of Theorem 1.1; added references and corrected some typos

Subjects: Differential Geometry (math.DG)

[18]  arXiv:0811.1034 [ps, pdf, other]

Title: Topology of positively curved 8-dimensional manifolds with symmetry

Authors: Anand Dessai

Subjects: Differential Geometry (math.DG); Geometric Topology (math.GT)

[19]  arXiv:0811.1046 [ps, pdf, other]

Title: A Free Boundary Isoperimetric Problem in the Hyperbolic Space between parallel horospheres

Authors: Rosa Chaves, Renato Pedrosa, Marcio Silva

Subjects: Differential Geometry (math.DG)

[20]  arXiv:0811.1125 [ps, pdf, other]

Title: All harmonic 2-spheres in the unitary group, completely explicitly

Authors: Maria João Ferreira, Bruno A. Simões (Lisbon), John C. Wood (Leeds)

Comments: 27 Pages

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

[21]  arXiv:0811.1157 [ps, pdf, other]

Title: The skew-torsion holonomy theorem and naturally reductive spaces

Authors: Carlos Olmos, Silvio Reggiani

Comments: 25 pages, we correct minor misprints and add Remark 6.6

Subjects: Differential Geometry (math.DG)

[22]  arXiv:0811.1185 [ps, pdf, other]

Title: Discrete extrinsic curvatures based on polar polyhedra concept

Authors: V.A. Garanzha

Comments: 19 pages, 12 figures. Presented at Int. Conf. "Numerical geometry, grid generation and scientific computing", Moscow, June 10-13 2008

Subjects: Differential Geometry (math.DG); Numerical Analysis (math.NA)

[23]  arXiv:0811.1200 [ps, pdf, other]

Title: The Poisson equation on complete manifolds with positive spectrum and applications

Authors: Ovidiu Munteanu, Natasa Sesum

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

[24]  arXiv:0811.1231 [ps, pdf, other]

Title: The number of constant mean curvature isometric immersions of a surface

Authors: Brian Smyth, Giuseppe Tinaglia

Comments: 21 pages, 1 figure. This paper is now dedicated to Katsumi Nomizu and the references have been updated

Subjects: Differential Geometry (math.DG)

[25]  arXiv:0811.1245 [ps, pdf, other]

Title: Metrics of positive scalar curvature and generalised Morse functions, part 1

Authors: Mark Walsh

Comments: 81 pages, 61 figures

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