Browsing 2013 by Title
Now showing items 27-28 of 28
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Supertropical Quadratic Forms I
[OWP-2013-27] (Mathematisches Forschungsinstitut Oberwolfach, 2013)We initiate the theory of a quadratic form q over a semiring $R$. As customary, one can write $q(x+y)=q(x)+q(y)+b(x,y)$, where b is a companion bilinear form. But in contrast to the ring-theoretic case, the companion ... -
Very general monomial valuations of P2 and a Nagata type conjecture
[OWP-2013-22] (Mathematisches Forschungsinstitut Oberwolfach, 2013-10-29)