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Mathematical Communications, Vol. 18 No. 1, 2013.

Original scientific paper

Cohomological classication of Ann-categories

Nguyen Tien Quang ; Department of Mathematics, University of Oldenburg, Oldenburg, Germany

Full text: english pdf 451 Kb

page 151-169

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Abstract

An Ann-category is a categorication of rings. Regular Ann-categories were classied by Shukla cohomology of algebras. In this paper, we state and prove the precise theorem on classication of Ann-categories in the general case based on Mac Lane cohomology of rings.

Keywords

least squares tting of spatial data; conic sections

Hrčak ID:

101431

URI

https://hrcak.srce.hr/101431

Publication date:

10.5.2013.

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