A factorization theorem for comaps of geometric lattices |
| |
Authors: | Joseph P.S Kung |
| |
Affiliation: | Department of Mathematics, North Texas State University, Denton, Texas 76203 USA |
| |
Abstract: | A function γ: K → L between two geometric lattices K and L is a normalized comap if it preserves the relations: x covers or equals y, meets of modular pairs, and the minimum. The theorem, a normalized comap can be factored into an injection followed by a retraction onto a modular flat, is proved. |
| |
Keywords: | |
本文献已被 ScienceDirect 等数据库收录! |
|