Concept

Elliptic surface

Related publications (12)

A vanishing theorem for oriented intersection multiplicities

Let A be a regular local ring containing 1/2, which is either equicharacteristic, or is smooth over a d.v.r. of mixed characteristic. We prove that the product maps on derived Grothendieck-Witt groups of A satisfy the following property: given two elements ...

2008

Coalescence and mechanical behaviour of semi-solid aluminium alloys in relation to hot tearing

Piero Daniele Grasso

Semi-continuous direct-chill (DC) casting of aluminium ingots suffers from a very frequent defect which can lead to a strong decrease in productivity: hot tearing. This phenomenon takes place in the mushy state (i.e., at solid fractions, gs, lower than uni ...

EPFL2004

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