Search results for "Derived algebraic geometry"

showing 3 items of 3 documents

New lower bounds for the minimum distance of generalized algebraic geometry codes

2013

Abstract In this paper, we give a new lower bound for generalized algebraic geometry codes with which we are able to construct some new linear codes having better parameters compared with the ones known in the literature. Moreover, we give a relationship between a family of generalized algebraic geometry codes and algebraic geometry codes. Finally, we propose a decoding algorithm for such a family.

Discrete mathematicsAlgebraic cycleBlock codeAlgebraic function field generalized algebraic geometry codes minimum distanceAlgebra and Number TheoryDerived algebraic geometryFunction field of an algebraic varietyAlgebraic surfaceReal algebraic geometryDimension of an algebraic varietySettore MAT/03 - GeometriaLinear codeMathematicsJournal of Pure and Applied Algebra
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Rings with algebraic n-engel elements

1994

(1994). Rings with algebraic n-engel elements. Communications in Algebra: Vol. 22, No. 5, pp. 1685-1701.

Pure mathematicsRing theoryAlgebra and Number TheoryDerived algebraic geometryFunction field of an algebraic varietyScheme (mathematics)Local ringVon Neumann regular ringCommutative algebraAlgebraic numberANÉIS E ÁLGEBRAS ASSOCIATIVOSMathematics
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The associated sheaf functor theorem in algebraic set theory

2008

We prove a version of the associated sheaf functor theorem in Algebraic Set Theory. The proof is established working within a Heyting pretopos equipped with a system of small maps satisfying the axioms originally introduced by Joyal and Moerdijk. This result improves oil the existing developments by avoiding the assumption of additional axioms for small maps and the use of collection sites.

Sheaf cohomologyFunctorDirect image functorLogicInvertible sheafIdeal sheafAlgebraMathematics::LogicDerived algebraic geometryMathematics::Category TheorySheafAlgebraic set theory presheaves sheavesInverse image functorMathematics
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