WebJun 14, 2013 · The Primer gives a short, but very nice, introduction to these connections. Later chapters of the Primer develop connections between mapping class groups and … Web3. Natural actions of the mapping class group Expanded versions of many arguments in this section can be found in the Primer [FM12, Chapter 2 and 8]. The only difference is that, in Chapter 2, the Primer uses the standard mapping class group. The extended mapping class group MCG± of a surface Sis defined as the group of self-
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A Primer on Mapping Class Groups (PMS-49) - Princeton …
WebThe group is the mapping class group of S, denoted by Mod(S). This group is defined by the isotopy classes of orientation-preserving homeomorphism from S to itself. Equivalently, Mod(S) may be defined using diffeomorphisms instead of homeomorphisms or homotopy classes instead of isotopy classes. The space is the Teichmüller space of S, Teich(S). WebSep 26, 2011 · A Primer on Mapping Class Groups begins by explaining the main group-theoretical properties of Mod ( S ), from finite generation by Dehn twists and low … WebThe resulting group { the mapping class group of S { is both tractable to study, and encodes a great deal of information about the topology and geometry of S. Mapping class groups … minecraft seeds with lakes