1997/11/01 by David M. Evans · 1 citation
Computer Science · Mathematics · #Advanced Topology and Set Theory #Combinatorics #Cover (algebra) #Covering space #Digraph #Discrete mathematics #Epimorphism #Finite Group Theory Research #Invariant (physics) #Kernel (algebra) #Mathematics #Permutation (music) #Pure mathematics #Topological space #Vector space #semigroups and automata theory
paper · pdf · doi:10.1016/s0168-0072(97)00018-3
crossref issued 1997/11/01 · crossref published 1997/11/01 · crossref published-print 1997/11/01 · openalex publication_date 1997/11/01 · crossref created 2003/04/23 · crossref deposited 2019/04/18 · crossref indexed 2022/04/03 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01