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Autor:
Ellers, Havi
The Hartshorne-Speiser-Lyubeznik number is a numerical invariant that can often be used to bound the Frobenius test exponent of positive characteristic rings. In this paper we look at positive characteristic semigroup rings generated by affine torsio
Externí odkaz:
http://arxiv.org/abs/2407.21731
The cancellation problem asks whether $A[X_1,X_2,\ldots,X_n] \cong B[Y_1,Y_2,\ldots,Y_n]$ implies $A \cong B$. Hamann introduced the class of steadfast rings as the rings for which a version of the cancellation problem considered by Abhyankar, Eakin,
Externí odkaz:
http://arxiv.org/abs/2202.00163
Every quadratic form represents 0; therefore, if we take any number of quadratic forms and ask which integers are simultaneously represented by all members of the collection, we are guaranteed a nonempty set. But when is that set more than just the "
Externí odkaz:
http://arxiv.org/abs/1708.04877
Publikováno v:
In Journal of Number Theory July 2020 212:1-17
