apl. Prof. Dr. Thomas Püttmann
E-Mail: Vorname.Nachname@rub.de ("ue" statt "ü")
Telefon: 0234-32-23328
Büro: NA 4/70
Anschrift:
Ruhr-Universität Bochum
Fakultät für Mathematik
44780 Bochum
Deutschland / Germany
Aktuelle Lehrveranstaltungen
- Vorkurs Mathematik für Naturwissenschaftler im September 2012 (inSTUDIES-Projekt Summer University)
- Leveling Course in Mathematics for IMOS students
Lehrveranstaltungen im Sommersemester 2012
- Seminar über Differentialgeometrie (Allgemeine Relativitätstheorie)
Wissenschaftliche Arbeiten
- An infinite family of Gromoll-Meyer spheres
joint with C. Duran and A. Rigas, Arch. Math. 95 (2010), 269-282. - Cohomogeneity one manifolds and selfmaps of nontrivial degree
Transform. Groups 14 (2009), 225-247. - A minimal Brieskorn 5-sphere in the Gromoll-Meyer sphere and its applications
joint with C. Duran, arXiv:math.DG/0606769, Mich. Math. J. 56 (2008), 419-451. - Wiedersehen metrics and exotic involutions of Euclidean spheres
joint with U. Abresch, C. Duran, and A. Rigas, J. Reine Angew. Math. 605 (2007), 1-21. - Some geometric formulas and cancellations in algebraic and differential topology
joint with C. Duran and A. Rigas, Mat. Contemp. 28 (2005), 133-149. - Injectivity radius and diameter of the manifolds of flags in the projective planes
Math. Z. 246 (2004), 795-809. - Isometric actions on the projective planes and embedded generators of homotopy groups
joint with A. Rigas, Arch. Math. 82 (2004), 185-192. - Presentations of the first homotopy groups of the unitary groups
joint with A. Rigas, Comment. Math. Helv. 78 (2003), 648-662.
- When is RPn x Spin(n) diffeomorphic to Sn x SO(n) and how?
joint with A. Rigas, Math. J. Okayama Univ. 45 (2003), 111-116.
- Homogeneity rank and atoms of actions
Ann. Global Anal. Geom. 22 (2002), 375-399. - The Hopf conjecture for manifolds with low cohomogeneity or high symmetry rank
joint with Catherine Searle, Proc. Amer. Math. Soc. 130 (2002), 163-166. - Optimal pinching constants of odd dimensional homogeneous spaces
Invent. math. 138 (1999), 631-684.
An early preprint version.
Eigene Abschlußarbeiten
- Reell-analytische Metriken auf Komplementen von Divisoren in kompakten komplex-hyperbolischen Räumen
Diplomarbeit (die drei Abbildungen fehlen hier), Universität Münster, 1995 - Optimal pinching constants of odd-dimensional homogeneous spaces
Dissertation, Ruhr-Universität Bochum 1998 (veröffentliche Version siehe oben). - Einige Homotopiegruppen der klassischen Gruppen aus geometrischer Sicht
Habilitationsschrift, Ruhr-Universität Bochum 2004.