(Co)Homology of crossed modules

Combinatorial homotopy. I

J. H. C. Whitehead · Bulletin of the American Mathematical Society · 1949 · 848 citations · Full text

Natural Sciences, Mathematics, Combinatorics +9

Homology and central series of groups

John R. Stallings · Journal of Algebra · 1965 · 496 citations

Natural Sciences, Mathematics, Topology +9

Cohomology of group extensions

G. Hochschild, Jean-Pierre Serre · Transactions of the American Mathematical Society · 1953 · 412 citations

Natural Sciences, Religion, Group Processes +9

Van Kampen theorems for diagrams of spaces

Ronald Brown, Jean-Louis Loday · Topology · 1987 · 404 citations

Natural Sciences, Mathematics, Geometry +6

Combinatorial homotopy. II

J. H. C. Whitehead · Bulletin of the American Mathematical Society · 1949 · 399 citations · Full text