Mathematics – Complex Variables
Scientific paper
2010-09-10
New York J. Math., 17a (2011), 1-28
Mathematics
Complex Variables
Several minor improvements in version 2. Bibliography improved in version 3. To appear in New York Journal of Mathematics
Scientific paper
Oka theory has its roots in the classical Oka principle in complex analysis. It has emerged as a subfield of complex geometry in its own right since the appearance of a seminal paper of M. Gromov in 1989. Following a brief review of Stein manifolds, we discuss the recently introduced category of Oka manifolds and Oka maps. We consider geometric sufficient conditions for being Oka, the most important of which is ellipticity, introduced by Gromov. We explain how Oka manifolds and maps naturally fit into an abstract homotopy-theoretic framework. We describe recent applications and some key open problems. This article is a much expanded version of the lecture given by the first-named author at the conference RAFROT 2010 in Rincon, Puerto Rico, on March 22, 2010, and of a brief survey article by the second-named author in Notices Amer. Math. Soc., January 2010.
Forstneric Franc
Larusson Finnur
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