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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
Autor:
Bauman, Alexander
We consider, for a finite graph $G$, when the surjective map $\mathrm{Conf}_{n+1}(G) \rightarrow \mathrm{Conf}_n(G)$ of configuration spaces admits a section. We study when the answer depends only on the homotopy type of $G$, and give a complete answ
Externí odkaz:
http://arxiv.org/abs/2011.12371
Publikováno v:
2015 IEEE High Performance Extreme Computing Conference (HPEC); 2015, p1-6, 6p
