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More Reduced Obstruction Theories

Timo Schürg

Number 28
Author Timo Schürg
Year 2012

This short note first develops a general formalism for globally removing a factor from an obstruction theory. This formalism is then applied to give a construction of a reduced obstruction theory on the moduli of maps from a curve to a surface satisfying a technical condition. This condition was recently identified in work of Kool and Thomas.

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