1Humboldt University of Berlin, Department of Mathematics, Faculty of Mathematics and Natural Sciences II, Unter den Linden 6, 10099, Berlin, Germany. e-mail: kurke@mathematik.hu-berlin.de
2Steklov Mathematical Institute, Algebra Department, Gubkina str. 8, Moscow, 119991, Russia. e-mail: d_osipov@mi.ras.ru
3Lomonosov Moscow State University, Faculty of Mechanics and Mathematics, Department of Differential Geometry and Applications, Leninskie gory, GSP, Moscow, 119899, Russia. e-mail: azheglov@mech.math.msu.su
Citation Information: Journal für die reine und angewandte Mathematik (Crelles Journal). Volume 2009, Issue 629, Pages 133–170, ISSN (Online) 1435-5345, ISSN (Print) 0075-4102, DOI: 10.1515/CRELLE.2009.029, February 2009
Abstract
We investigate formal ribbons on curves. Roughly speaking, formal ribbon is a family of locally linearly compact vector spaces on a curve. We establish a one-to-one correspondence between formal ribbons on curves plus some geometric data and some subspaces of two-dimensional local fields.
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