Volume 10, Issue 2 Bernhard Burgstaller Inverse semigroup equivariant KK-theory and C*-extensions Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Bernhard Burgstaller Find more articles with the same keywords KK-theory Ext extension group inverse semigroup Find more articles with the same subject classes 19K35 20M18 19K33