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arxiv: 1708.02815 · v2 · pith:6R5KISWTnew · submitted 2017-08-09 · 🧮 math.AC

The Golod property of powers of the maximal ideal of a local ring

classification 🧮 math.AC
keywords golodringlocalgeneratedidealmaximalpowerquotient
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We identify minimal cases in which a power $m^i\not=0$ of the maximal ideal of a local ring $R$ is not Golod, i.e.\ the quotient ring $R/m^i$ is not Golod. Complementary to a 2014 result by Rossi and \c{S}ega, we prove that for a generic artinian Gorenstein local ring with $m^4=0\not= m^3$, the quotient $R/m^3$ is not Golod. This is provided that $m$ is minimally generated by at least $3$ elements. Indeed, we show that if $m$ is $2$-generated, then every power $m^i\not= 0$ is Golod.

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