A weighted analytic center for linear matrix inequalities.
Realization of long exact sequences of abelian groups.
Given a long exact sequence of abelian groups L: ... → Li-1 →ξi-1 Li →ξi Li+1 → ... a short exact sequence of complexes of free abelian groups is constructed whose cohomology long exact sequence is precisely L. In this sense, L is realized. Two techniques which are introduced to reduce or...
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