Universität zu Köln

Albers, Peter ORCID: 0000-0002-7324-0609, Geiges, Hansjoerg and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2022). Pseudorotations of the 2-disc and Reeb flows on the 3-sphere. Ergod. Theory Dyn. Syst., 42 (2). S. 402 - 437. NEW YORK: CAMBRIDGE UNIV PRESS. ISSN 1469-4417

Geiges, Hansjorg, Sporbeck, Kevin and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2021). Subcritical polarisations of symplectic manifolds have degree one. Arch. Math., 117 (2). S. 227 - 232. BASEL: SPRINGER BASEL AG. ISSN 1420-8938

Geiges, Hansjoerg and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2020). Odd-symplectic forms via surgery and minimality in symplectic dynamics. Ergod. Theory Dyn. Syst., 40 (3). S. 699 - 714. NEW YORK: CAMBRIDGE UNIV PRESS. ISSN 1469-4417

Barth, Kilian, Geiges, Hansjorg and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2019). The diffeomorphism type of symplectic fillings. J. Symplectic Geom., 17 (4). S. 929 - 972. SOMERVILLE: INT PRESS BOSTON, INC. ISSN 1540-2347

Albers, Peter, Geiges, Hansjoerg and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2018). Reeb dynamics inspired by Katok's example in Finsler geometry. Math. Ann., 370 (3-4). S. 1883 - 1908. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1432-1807

Geiges, Hansjoerg and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2017). Cobordisms between symplectic fibrations. Manuscr. Math., 153 (3-4). S. 331 - 341. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1432-1785

Doerner, Max, Geiges, Hansjoerg and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2017). Finsler geodesics, periodic Reeb orbits, and open books. Eur. J. Math., 3 (4). S. 1058 - 1076. CHAM: SPRINGER INTERNATIONAL PUBLISHING AG. ISSN 2199-6768

Geiges, Hansjoerg, Roettgen, Nena and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2016). From a Reeb orbit trap to a Hamiltonian plug. Arch. Math., 107 (4). S. 397 - 405. BASEL: SPRINGER BASEL AG. ISSN 1420-8938

Geiges, Hansjoerg and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2016). Reeb dynamics detects odd balls. Ann. Scuola Norm. Super. Pisa-Cl. Sci., 15. S. 663 - 682. PISA: SCUOLA NORMALE SUPERIORE. ISSN 2036-2145

Geiges, Hansjoerg and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2016). The Weinstein Conjecture for Connected Sums. Int. Math. Res. Notices, 2016 (2). S. 325 - 343. OXFORD: OXFORD UNIV PRESS. ISSN 1687-0247

Zehmisch, Kai ORCID: 0000-0002-9512-860X (2014). Lagrangian non-squeezing and a geometric inequality. Math. Z., 277 (1-2). S. 285 - 292. NEW YORK: SPRINGER. ISSN 1432-1823

Doerner, Max, Geiges, Hansjoerg and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2014). OPEN BOOKS AND THE WEINSTEIN CONJECTURE. Q. J. Math., 65 (3). S. 869 - 886. OXFORD: OXFORD UNIV PRESS. ISSN 1464-3847

Geiges, Hansjoerg, Roettgen, Nena and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2014). Trapped Reeb orbits do not imply periodic ones. Invent. Math., 198 (1). S. 211 - 218. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1432-1297

Zehmisch, Kai ORCID: 0000-0002-9512-860X and Ziltener, Fabian (2013). Discontinuous symplectic capacities. J. Fixed Point Theory Appl., 14 (1). S. 299 - 308. BASEL: SPRINGER BASEL AG. ISSN 1661-7746

Geiges, Hansjoerg and Zehmisch, Kai ORCID: 0000-0002-9512-860X (2010). ELIASHBERG'S PROOF OF CERF'S THEOREM. J. Topol. Anal., 2 (4). S. 543 - 580. SINGAPORE: WORLD SCIENTIFIC PUBL CO PTE LTD. ISSN 1793-5253