{"version":"1.0","type":"link","title":"Mapping class group - Newikis","description":"In mathematics, in the subfield of geometric topology, the mapping class group is an important algebraic invariant of a topological space. Briefly, the mapping class group is a certain discrete group corresponding to symmetries of the space.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}