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Products of pairs of Dehn twists and maximal real Lefschetz fibrations

Published online by Cambridge University Press:  11 January 2016

Alex Degtyarev
Affiliation:
Department of Mathematics, Bilkent University, 06800 Ankara, Turkey, [email protected]
Nermin Salepci
Affiliation:
Institut Camille Jordan, 69622 Villeurbanne CEDEX, France, [email protected]
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Abstract

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We address the problem of existence and uniqueness of a factorization of a given element of the modular group into a product of two Dehn twists. As a geometric application, we conclude that any maximal real elliptic Lefschetz fibration is algebraic.

Type
Research Article
Copyright
Copyright © Editorial Board of Nagoya Mathematical Journal 2013

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