- isotrivial
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Describing a smooth projective surface having a morphism onto a curve such that all smooth fibres are isomorphic to each other
Wikipedia foundation.
Wikipedia foundation.
Algebraic torus — In mathematics, an algebraic torus is a type of commutative affine algebraic group. These groups were named by analogy with the theory of tori in Lie group theory (see maximal torus). The theory of tori is in some sense opposite to that of… … Wikipedia
Jean-Pierre Serre — Infobox Scientist name = Jean Pierre Serre birth date = birth date and age|1926|09|15 birth place = Bages, Pyrénées Orientales, France residence = Paris, France nationality = France field = Mathematics work institutions = Centre National de la… … Wikipedia