{"version":"1.0","type":"link","title":"Characteristic class - Newikis","description":"In mathematics, a characteristic class is a way of associating to each principal bundle of a topological space X a cohomology class of X. The cohomology class measures the extent to which the bundle is \"twisted\" and whether it possesses sections. Characteristic classes are global invariants that…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}