VOL. 12 · NO. 4 | Winter 2020
 
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Front Matter
J. Commut. Algebra 12 (4), (Winter 2020)
No abstract available
J. Commut. Algebra 12 (4), (Winter 2020)
No abstract available
Articles
Fariborz Azarpanah, Mehdi Parsinia
J. Commut. Algebra 12 (4), 459-466, (Winter 2020) DOI: 10.1216/jca.2020.12.459
KEYWORDS: $z$-ideal, $z_A$-ideal, absolutely convex subring, intermediate algebra, intermediate $C$-algebra, ‎54C30, 46E25
Petter A. Bergh, David A. Jorgensen, W. Frank Moore
J. Commut. Algebra 12 (4), 467-477, (Winter 2020) DOI: 10.1216/jca.2020.12.467
KEYWORDS: free resolutions, Eisenbud operators, regular sequences, change of rings, 13D02, 13D07
Giuseppe Favacchio
J. Commut. Algebra 12 (4), 479-487, (Winter 2020) DOI: 10.1216/jca.2020.12.479
KEYWORDS: Hilbert function, multigraded algebra, numerical function, 13F20, 13A15, 13D40
Evan Houston, Muhammad Zafrullah
J. Commut. Algebra 12 (4), 489-507, (Winter 2020) DOI: 10.1216/jca.2020.12.489
KEYWORDS: star operation, (generalized) Krull domain, completely integrally closed domain, Valuation domain, 13A05, 13A15, 13F05, 13G05
Andrew R. Kustin
J. Commut. Algebra 12 (4), 509-538, (Winter 2020) DOI: 10.1216/jca.2020.12.509
KEYWORDS: differential graded algebras, Poincaré duality, 13D02, 16E45
Luis Pedro Montejano, Luis Núñez-Betancourt
J. Commut. Algebra 12 (4), 539-557, (Winter 2020) DOI: 10.1216/jca.2020.12.539
KEYWORDS: $b$-vectors, chordal graphs, Betti numbers, clique complex, shifting operations, 05C25, 05E40, 13D02, 13F55
Susanne Müller
J. Commut. Algebra 12 (4), 559-572, (Winter 2020) DOI: 10.1216/jca.2020.12.559
KEYWORDS: $F$-pure threshold, quasihomogeneous polynomials, formal groups, Height, log-canonical threshold, 13A35, 14B05, 32S35
David E Speyer
J. Commut. Algebra 12 (4), 573-579, (Winter 2020) DOI: 10.1216/jca.2020.12.573
KEYWORDS: Frobenius splitting, normalization, 13A35
Dario Spirito
J. Commut. Algebra 12 (4), 581-602, (Winter 2020) DOI: 10.1216/jca.2020.12.581
KEYWORDS: Star operations, semistar operations, Prüfer domains, Jaffard families, homeomorphically irreducible trees, 13A15, 13A18, 13F05, 13G05
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