环的θ-模糊同态

摘要

模糊同态是模糊代数学的重要概念之一，它可由不同的模糊映射产生。本文利用θ‐模糊映射给出了环的θ‐模糊同态的定义，从而研究了θ‐模糊同态下θ‐模糊子环和θ‐模糊理想的对应关系及若干性质，最后建立了环的θ‐模糊同态基本定理。%Diatom study on ancient environment reconstruction has important practical significance . We analysis of the main environmental factors those affect the grow th of diatoms ,such as temperature , nutrients and vegetation ,and w hat the lakes diatom in reconstruction of the ancient environment re‐search progress of the application combine with experts and scholars research is discussed in detail .At the same time ,aiming at the deficiency exist in the course of the research on w e conducted certain dis‐cussion ,w hich for later in the development and perfection of lakes diatom research to provide certain theoretical basis .