Return of $x + x^2y + z^2 + t^3 = 0$

dc.creatorCrachiola, Anthony J.
dc.date2004-06-21
dc.date.accessioned2026-07-07T05:09:27Z
dc.date.available2026-07-07T05:09:27Z
dc.descriptionWe develop techniques for computing the AK invariant of domains with arbitrary characteristic. As an example, we show that for any field $K$ the ring $K[X,Y,Z,T] / (X + X^2 Y + Z^2 + T^3)$ is not isomorphic to a polynomial ring over $K$.
dc.identifierhttps://arxiv.org/abs/math/0406414
dc.identifierhttp://arxiv.org/abs/math/0406414
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/71630
dc.subjectCommutative Algebra
dc.subjectAlgebraic Geometry
dc.subject13A50; 14J30, 14R20
dc.titleReturn of $x + x^2y + z^2 + t^3 = 0$
dc.typetext

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