{"version":"1.0","type":"link","title":"Presentation complex - Newikis","description":"In geometric group theory, a presentation complex is a 2-dimensional cell complex associated to any presentation of a group G. The complex has a single vertex, and one loop at the vertex for each generator of G. There is one 2-cell for each relation in the presentation, with the boundary of the…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}