22 citations · 130 across the 19 of their papers we have counts for
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math.GT2009★ 11 cited
Lagrangian mapping class groups from a group homological point of view
Takuya Sakasai
We focus on two kinds of infinite index subgroups of the mapping class group of a surface associated with a Lagrangian submodule of the first homology of a surface. These subgroups…
math.GT2009★ 3 cited
Abelian quotients of monoids of homology cylinders
Hiroshi Goda, Takuya Sakasai
A homology cylinder over a surface consists of a homology cobordism between two copies of the surface and markings of its boundary. The set of isomorphism classes of homology cylin…