[图书][B] Approximations and endomorphism algebras of modules

R Göbel, J Trlifaj - 2006 - degruyter.com
References Page 1 References [1] S. Abhyankar, S. Wiegand, On the compositum of two power
series rings, Proc. Amer. Math. Soc. 112 (1991), 629 – 636. [2] U. Albrecht, Endomorphism …

Mod-retractable rings

MT Koşan, J Žemlička - Communications in Algebra, 2014 - Taylor & Francis
A right module M over a ring R is said to be retractable if Hom R (M, N)≠ 0 for each nonzero
submodule N of M. We show that M⊗ R RG is a retractable RG-module if and only if MR is …

Victor P. Maslov, Moscow, Russia Walter D. Neumann, New York, USA Markus J. Pflaum, Boulder, USA Dierk Schleicher, Bremen, Germany

RO Wells - degruyter.com
This second, revised and substantially extended edition of Approximations and
Endomorphism Algebras of Modules reflects both the depth and the width of recent …