Subalgebras of incidence algebras determined by equivalence relations

DOI10.1016/0097-3165(81)90055-8zbMath0479.06004OpenAlexW1994954264MaRDI QIDQ1161536

William Ellison Longstaff, Kenneth John Harrison

Publication date: 1981

Published in: Journal of Combinatorial Theory. Series A (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0097-3165(81)90055-8

zbMATH Keywords

incidence algebraslocally finite posetssubalgebra of R-functions

Mathematics Subject Classification ID

Partial orders, general (06A06) Subalgebras, congruence relations (08A30)

Related Items

Single elements of matrix incidence algebras

Cites Work

• Incidence functions as generalized arithmetic functions. I
• Incidence functions as generalized arithmetic functions. II, III
• [https://portal.mardi4nfdi.de/wiki/Publication:5731810 On the foundations of combinatorial theory I. Theory of M�bius Functions]