Universität zu Köln

Journal Article

Asselle, Luca and Lange, Christian (2020). On the rigidity of Zoll magnetic systems on surfaces. Nonlinearity, 33 (7). S. 3173 - 3195. BRISTOL: IOP PUBLISHING LTD. ISSN 1361-6544

Frauenfelder, Urs, Lange, Christian and Suhr, Stefan (2019). A HAMILTONIAN VERSION OF A RESULT OF GROMOLL AND GROVE. Ann. Inst. Fourier, 69 (1). S. 409 - 420. ST MARTIN D HERES CEDEX: ANNALES INST FOURIER. ISSN 1777-5310

Geiges, Hansjoerg and Lange, Christian (2018). Seifert fibrations of lens spaces. Abh. Math. Semin. Univ. Hamburg, 88 (1). S. 1 - 23. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1865-8784

Geiges, Hansjoerg and Lange, Christian (2021). Seifert fibrations of lens spaces (vol 88, pg 1, 2018). Abh. Math. Semin. Univ. Hamburg, 91 (1). S. 145 - 151. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1865-8784

Grammatikos, Georgios, Lange, Christian, Susser, Simone, Schwendy, Susanne, Dikopoulos, Nektarios, Buggisch, Peter, Encke, Jens, Teuber, Gerlinde, Goeser, Tobias, Thimme, Robert, Klinker, Hartwig, Boecher, Wulf O., Schulte-Frohlinde, Ewert, Penna-Martinez, Marissa, Badenhoop, Klaus, Zeuzem, Stefan, Berg, Thomas ORCID: 0000-0003-0003-6241 and Sarrazin, Christoph (2014). Vitamin D Levels Vary during Antiviral Treatment but Are Unable to Predict Treatment Outcome in HCV Genotype 1 Infected Patients. PLoS One, 9 (2). SAN FRANCISCO: PUBLIC LIBRARY SCIENCE. ISSN 1932-6203

Lange, Christian (2016). Characterization of finite groups generated by reflections and rotations. J. Topol., 9 (4). S. 1109 - 1130. HOBOKEN: WILEY. ISSN 1753-8424

Lange, Christian (2018). Equivariant smoothing of piecewise linear manifolds. Math. Proc. Camb. Philos. Soc., 164 (2). S. 369 - 381. NEW YORK: CAMBRIDGE UNIV PRESS. ISSN 1469-8064

Lange, Christian (2018). ON THE EXISTENCE OF CLOSED GEODESICS ON 2-ORBIFOLDS. Pac. J. Math., 294 (2). S. 453 - 473. BERKELEY: PACIFIC JOURNAL MATHEMATICS. ISSN 0030-8730

Lange, Christian (2020). On metrics on 2-orbifolds all of whose geodesics are closed. J. Reine Angew. Math., 758. S. 67 - 95. BERLIN: WALTER DE GRUYTER GMBH. ISSN 1435-5345

Lange, Christian (2020). Orbifolds from a metric viewpoint. Geod. Dedic., 209 (1). S. 43 - 58. DORDRECHT: SPRINGER. ISSN 1572-9168

Lange, Christian (2019). WHEN IS THE UNDERLYING SPACE OF AN ORBIFOLD A MANIFOLD? Trans. Am. Math. Soc., 372 (4). S. 2799 - 2829. PROVIDENCE: AMER MATHEMATICAL SOC. ISSN 1088-6850

Lange, Christian and Mikhailova, Marina A. (2016). CLASSIFICATION OF FINITE GROUPS GENERATED BY REFLECTIONS AND ROTATIONS. Transform. Groups, 21 (4). S. 1155 - 1202. NEW YORK: SPRINGER BIRKHAUSER. ISSN 1531-586X

Lange, Christian and Stadler, Stephan (2018). Affine functions on Alexandrov spaces. Math. Z., 289 (1-2). S. 455 - 470. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1432-1823

Thesis

Lange, Christian (2016). Some results on orbifold quotients and related objects. PhD thesis, Universität zu Köln.