## Mathematics Subject Classification – MSC2020

History of commutative algebra [Consider also classification numbers pertaining to Section 01-XX] 157

Integral closure of commutative rings and ideals [See also 13A35]; integrally closed rings, related rings (Japanese, etc.) 872

Homological methods in commutative ring theory {For noncommutative rings, see 16Exx; for general categories, see 18Gxx} 8229

Computational aspects and applications of commutative rings [See also 14Qxx, 68W30] {For software etc., see 13-04} 4850