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https://hdl.handle.net/2440/34976
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Type: | Journal article |
Title: | Mapping Cylinders and the Oka Principle |
Author: | Larusson, F. |
Citation: | Indiana University Mathematics Journal, 2005; 54(4):1145-1159 |
Publisher: | Indiana Univ Math Journal |
Issue Date: | 2005 |
ISSN: | 0022-2518 |
Statement of Responsibility: | Finnur Larusson |
Abstract: | We apply concepts and tools from abstract homotopy theory to complex analysis and geometry, continuing our development of the idea that the Oka Principle is about fibrancy in suitable model structures. We explicitly factor a holomorphic map between Steinmanifolds through mapping cylinders in three different model structures and use these factorizations to prove implications between ostensibly different Oka properties of complex manifolds and holomorphic maps. We show that for Stein manifolds, several Oka properties coincide and are characterized by the geometric condition of ellipticity. Going beyond the Stein case to a study of cofibrant models of arbitrary complex manifolds, using the Jouanolou Trick, we obtain a geometric characterization of an Oka property for a large class of manifolds, extending our result for Stein manifolds. Finally, we prove a converse Oka Principle saying that certain notions of cofibrancy for manifolds are equivalent to being Stein. |
Description: | Indiana University Mathematics Journal © |
DOI: | 10.1512/iumj.2005.54.2731 |
Published version: | http://www.iumj.indiana.edu/IUMJ/fulltext.php?artid=2731&year=2005&volume=54 |
Appears in Collections: | Aurora harvest 6 Mathematical Sciences publications |
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