Papers and Preprints

2011

• (with U. Frauenfelder and G. Paternain) Stability is not open , to appear in Ann. Inst. Fourier.
• (with U. Frauenfelder) Morse homology on noncompact manifolds , to appear in Journal of the Korean Mathematical Society.

2010

• (with U. Frauenfelder and A. Oancea) Rabinowitz Floer homology and symplectic homology, Annales scientifiques de l'ENS 43, fasc. 6, 957--1015 (2010).
• (with T. Ekholm and J. Latschev) Compactness for holomorphic curves with switching Lagrangian boundary conditions , J. Symp. Geom. 8, no. 3, 267-–298 (2010).
• (with U. Frauenfelder and G.P. Paternain) Symplectic topology of Mane's critical values, Geom. Topol. 14, no. 3, 1765-–1870 (2010).

2009

• (with J. Latschev) The role of string topology in symplectic field theory, New perspectives and challenges in symplectic field theory, 113-–146, CRM Proc. Lecture Notes 49, Amer. Math. Soc. (2009).
• (with S. Baader and T. Vogel) Legendrian ribbons in overtwisted contact structures, J.~Knot Theory and its Ramifications 18, no. 4, 523–-529 (2009).
• (with U. Frauenfelder) A Floer homology for exact contact embeddings, Pacific J. Math. 239, no. 2, 251--316 (2009).

2007

• (with K. Mohnke) Symplectic hypersurfaces and transversality in Gromov-Witten theory, J. Symp. Geom. 5, no. 3, 281--356 (2007).
• (with F. Bourgeois and T. Ekholm) A note on Reeb dynamics on the tight 3-sphere, J. Mod. Dyn. 1, no. 4, 597--613 (2007).
• (with H. Hofer, J. Latschev and F. Schlenk) Quantitative symplectic geometry, in: Dynamics, Ergodic Theory and Geometry, ed. B. Hasselblatt, Cambridge Univ. Press, 1--44 (2007).

2006

• (with D. Salamon) Wall crossing for symplectic vortices and quantum cohomology, Mathematische Annalen 335, no. 1, 133--192 (2006), electronic publication.

2005

• (with K. Mohnke) Compactness of punctured holomorphic curves, Conference on Symplectic Topology, J. Symplectic Geom. 3, no. 4, 589--654 (2005).
• (with C. Abbas and H. Hofer) The Weinstein conjecture for planar contact structures in dimension three, Commentarii Mathematici Helvetici 80, 771-793 (2005).

2004

• (with V. Ginzburg and E. Kerman) Symplectic homology and periodic orbits near symplectic submanifolds, Comment. Math. Helv. 79, no. 3, 554-581 (2004).
• (with E. Goldstein) A note on mean curvature, Maslov class and symplectic area of Lagrangian immersions, Journal of Symplectic Geometry 2, no. 2, 261-266 (2004).

2003

• (with I. Mundet and D. Salamon) Equivariant moduli problems, branched manifolds, and the Euler class , Topology 42, no. 3, 641-700 (2003).

2002

• Subcritical manifolds are split , Preprint 2002.
• Handle attaching in symplectic homology and the Chord Conjecture , Journal of the European Math. Society. 4, 115-142 (2002).
• (with P. Biran) Lagrangian Embeddings into subcritical Stein Manifolds , Israel Journal of Math. 127, 221-244 (2002).
• (with A. Gaio, I. Mundet and D. Salamon) The symplectic vortex equations and invariants of Hamiltonian group actions , Journal of Symplectic Geometry 1, no. 3, 543-645 (2002).

2001

• (with P. Biran) Symplectic topology on subcritical manifolds , Commentarii Math. Helvetici 76, no. 4, 712-753 (2001).

2000

• (with A. Gaio and D. Salamon) J-holomorphic curves, moment maps, and invariants of Hamiltonian group actions , International Math. Research Notices 2000, No. 16.

1999

• (with E. Sere) Pseudo-holomorphic curves and the Shadowing Lemma , Duke Mathematical Journal 99, 41-73 (1999).

1998

• A geometric obstruction to the contact type property , Mathematische Zeitschrift 228, 451-487 (1998)

1997

• Symplectic boundaries: Creating and destroying closed characteristics , Geometric and Functional Analysis 7, 269-321 (1997).

1996

• Symplectic boundaries: Closed characteristics and action spectra ( Part I , Part II ), PhD thesis, ETH Zuerich (1996).
• Pseudo-holomorphic curves and Bernoulli shifts , in: Contact and Symplectic Geometry, Publications of the Proceedings of the Newton Institute, Cambridge University Press (1996).
• (with A. Floer, H. Hofer and K. Wysocki) Applications of symplectic homology II: Stability of the action spectrum , Mathematische Zeitschrift 223, 27-45 (1996).

1995

• (with A. Floer and H. Hofer) Symplectic homology II: A general construction , Mathematische Zeitschrift 218, 103-122 (1995).
• (with E. Sere) Pseudo-holomorphic curves and multiplicity of homoclinic orbits , Duke Mathematical Journal 77, 483-518 (1995).

1994

• Pseudo-holomorphic curves and periodic orbits on cotangent bundles , Journal de Mathematiques Pures et Appliquees 73, 251-278 (1994).

1992

• Pseudo-holomorphe Kurven und periodische Orbits auf Cotangential-Buendeln , Diploma thesis, Bochum (1992).

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