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Displaying similar documents to “Cancellation, elliptic surfaces and the topology of certain four-manifolds.”

On a noncommutative algebraic geometry

(2015)

Banach Center Publications

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Several sets of quaternionic functions are described and studied with respect to hyperholomorphy, addition and (non-commutative) multiplication, on open sets of ℍ, then Hamilton 4-manifolds analogous to Riemann surfaces, for ℍ instead of ℂ, are defined, and so begin to describe a class of four-dimensional manifolds.