Every semiprimary ring is the endomorphism ring of a projective module over a quasihereditary ring

Authors:
Vlastimil Dlab and Claus Michael Ringel

Journal:
Proc. Amer. Math. Soc. **107** (1989), 1-5

MSC:
Primary 16A46; Secondary 16A65

DOI:
https://doi.org/10.1090/S0002-9939-1989-0943793-2

MathSciNet review:
943793

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Abstract: The paper provides a proof of the following statement: Given a semiprimary ring , there is a quasi-hereditary ring and an idempotent such that .

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Brian J. Parshall,*Simulating algebraic geometry with algebra. II. Stratifying representation categories*, The Arcata Conference on Representations of Finite Groups (Arcata, Calif., 1986) Proc. Sympos. Pure Math., vol. 47, Amer. Math. Soc., Providence, RI, 1987, pp. 263–269. MR**933416**

Ed Cline,*Simulating algebraic geometry with algebra. III. The Lusztig conjecture as a 𝑇𝐺₁-problem*, The Arcata Conference on Representations of Finite Groups (Arcata, Calif., 1986) Proc. Sympos. Pure Math., vol. 47, Amer. Math. Soc., Providence, RI, 1987, pp. 149–161. MR**933407**

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DOI:
https://doi.org/10.1090/S0002-9939-1989-0943793-2

Article copyright:
© Copyright 1989
American Mathematical Society