Mathematics – K-Theory and Homology
Scientific paper
2006-04-20
Mathematics
K-Theory and Homology
Scientific paper
Based on the computation of the third author we obtain an interpretation of
the third Mac Lane cohomology of rings using certain kind of crossed extensions
of rings in the quadratic world. Actually we obtain two such interpretations
corresponding to the two monoidal structures on the category of square groups
Baues Hans Joachim
Jibladze Mamuka
Pirashvili Teimuraz
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