Geodesic
Pretty cleanness and filter-regular sequences
Czechoslovak Mathematical Journal, Tome 64 (2014) no. 4, pp. 933-944.

Voir la notice de l'article provenant de la source Czech Digital Mathematics Library

Let $K$ be a field and $S=K[x_1,\ldots , x_n]$. Let $I$ be a monomial ideal of $S$ and $u_1,\ldots , u_r$ be monomials in $S$. We prove that if $u_1,\ldots , u_r$ form a filter-regular sequence on $S/I$, then $S/I$ is pretty clean if and only if $S/(I,u_1,\ldots , u_r)$ is pretty clean. Also, we show that if $u_1,\ldots , u_r$ form a filter-regular sequence on $S/I$, then Stanley's conjecture is true for $S/I$ if and only if it is true for $S/(I,u_1, \ldots , u_r)$. Finally, we prove that if $u_1,\ldots , u_r$ is a minimal set of generators for $I$ which form either a $d$-sequence, proper sequence or strong $s$-sequence (with respect to the reverse lexicographic order), then $S/I$ is pretty clean.
DOI : 10.1007/s10587-014-0144-3
Classification : 05E40, 13F20
Keywords: almost clean module; clean module; $d$-sequence; filter-regular sequence; pretty clean module 
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     title = {Pretty cleanness and filter-regular sequences},
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Bandari, Somayeh; Divaani-Aazar, Kamran; Jahan, Ali Soleyman. Pretty cleanness and filter-regular sequences. Czechoslovak Mathematical Journal, Tome 64 (2014) no. 4, pp. 933-944. doi : 10.1007/s10587-014-0144-3. http://geodesic.mathdoc.fr/articles/10.1007/s10587-014-0144-3/

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