On the difference between cohomological dimension and homological dimension

Rings with several objects

Barry Mitchell · Advances in Mathematics · 1972 · 575 citations

Natural Sciences, Astronomy, Mathematics +8

On Torsion-Free Groups with Infinitely Many Ends

John R. Stallings · Annals of Mathematics · 1968 · 422 citations

Natural Sciences, Mathematics, Topology +11

Foundations of relative homological algebra

Samuel Eilenberg, J. C. Moore · Memoirs of the American Mathematical Society · 1965 · 242 citations

Natural Sciences, Mathematics, Algebra +11

Flat and coherent functors

Ulrich Oberst, Helmut Röhrl · Journal of Algebra · 1970 · 61 citations

Natural Sciences, Mathematics, Representation Theory +6

The Cohomological Dimension of a Directed Set

Barry Mitchell · Canadian Journal of Mathematics · 1973 · 48 citations · Full text

Natural Sciences, Architectural Representation, Algebra +11