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Hodge Number


The Hodge number h^(p,q)(X) of a complex manifold X that is also a compact manifold is

 h^(p,q)(X)=dimH^q(X,Omega_X^p),

where Omega_X^p is the sheaf of holomorphic differential forms of degree p. For a compact Kähler manifold, it is equivalently the dimension of the (p,q) summand in the Hodge decomposition of cohomology with coefficients in C.


See also

Betti Number, Hodge Decomposition

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References

Voisin, C. Hodge Theory and Complex Algebraic Geometry I. Cambridge, England: Cambridge University Press, 2002.

Cite this as:

Weisstein, Eric W. "Hodge Number." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/HodgeNumber.html

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