Products of ideals and Golod rings

نویسندگان

چکیده

In this paper, we study conditions guaranteeing that a product of ideals defines Golod ring. We show for 3 3 -dimensional regular local ring (or -variable polynomial ring) alttext="left-parenthesis upper R comma German m right-parenthesis"> ( R , m stretchy="false">) encoding="application/x-tex">(R, \mathfrak {m}) , the ideal alttext="upper I m"> I encoding="application/x-tex">I {m} always any proper subset-of R"> ⊂ \subset R . also non-Golod products are ubiquitous; more precisely, prove with grade alttext="greater-than-or-slanted-equals 4"> ⩾<!-- ⩾ <mml:mn>4 encoding="application/x-tex">\geqslant 4 there exists an J subset-of-or-equal-to I"> J ⊆<!-- ⊆ encoding="application/x-tex">J \subseteq I such J"> encoding="application/x-tex">IJ is not Golod. conclude by showing if encoding="application/x-tex">I in and alttext="German mathvariant="fraktur">a encoding="application/x-tex">\mathfrak {a} complete intersection, then

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ژورنال

عنوان ژورنال: Proceedings of the American Mathematical Society

سال: 2022

ISSN: ['2330-1511']

DOI: https://doi.org/10.1090/proc/15968