1989Communications Faculty Of Science University of Ankara Series A1Mathematics and StatisticsOpen access

On The Cohomology Groups Of Complex analytic Manifolds

Sabahattin Balci

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Abstract

Let X be a connected complex analytic manifold of dimension n with fundamental group 7^ {1}’ xgX. Let H be the sheaf of the fundamental groups över X, [H.H] <= H be the commutator subsheaf, Q be the sheaf of Abelian groups [1 ] determined by [H,H ] över X and A be the Restricted sheaf of germs of holomorphic functions on X defined in [4 ]. It is shown, in this paper, that; The Cohomology group H®(X,Q) of the structure sheaf Q of X is isomorphic to the Cohomology gorup H®(X,A) of the structure restricted sheaf A of X. Moreover, the Co­ homology group HP(X,Q) of the structure sheaf Q of X and the Ğech Cohomology group stnıcture sheaf Q of equal to zero, for p 1.

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Let X be a connected complex analytic manifold of dimension n with fundamental group 7^ {1}’ xgX. Let H be the sheaf of the fundamental groups över X, [H.H] <= H be the commutator subsheaf, Q be the sheaf of Abelian groups [1 ] determined by [H,H ] över X and A be the Restricted sheaf of germs of holomorphic functions on X defined in [4 ]. It is shown, in this paper, that; The Cohomology group H®(X,Q) of the structure sheaf Q of X is isomorphic to the Cohomology gorup H®(X,A) of the structure restricted sheaf A of X. Moreover, the Co­ homology group HP(X,Q) of the structure sheaf Q of X and the Ğech Cohomology group stnıcture sheaf Q of equal to zero, for p 1.

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Available abstract

Let X be a connected complex analytic manifold of dimension n with fundamental group 7^ {1}’ xgX. Let H be the sheaf of the fundamental groups över X, [H.H] <= H be the commutator subsheaf, Q be the sheaf of Abelian groups [1 ] determined by [H,H ] över X and A be the Restricted sheaf of germs of holomorphic functions on X defined in [4 ]. It is shown, in this paper, that; The Cohomology group H®(X,Q) of the structure sheaf Q of X is isomorphic to the Cohomology gorup H®(X,A) of the structure restricted sheaf A of X. Moreover, the Co­ homology group HP(X,Q) of the structure sheaf Q of X and the Ğech Cohomology group stnıcture sheaf Q of equal to zero, for p 1.

Key concepts: Sheaf cohomology, Sheaf, Mathematics, Cohomology, Pure mathematics, Group (periodic table), Abelian group, Holomorphic function

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