The article explores the properties of n-∆U rings, a class of rings defined by the condition that for every unit element u in the ring, u^n - 1 belongs to a specific subring ∆(R).
이 논문은 준단순 좌측 골디 환의 큰 이미지를 갖는 모든 내형성사상이 단사임을 증명하여 르로이-마츠척의 질문에 긍정적으로 답변합니다.
Every endomorphism with a large image of a semiprime left Noetherian ring is proven to be a monomorphism, providing an affirmative answer to a question posed by Leroy and Matczuk.