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Fix an integer d > 0. In 2008, Chantal David and Tom Weston showed that, on average, an elliptic curve over Q picks up a nontrivial p-torsion point defined over a finite extension K of the p-adics of ...
C1 modules with respect to a hereditary torsion theory
Torsion theory C1-module closed submodule
2010/2/25
An R-module M is said to be a C1-module if every closed submodule of M is a direct summand. In this paper we introduce and investigate the concept of the t-C1 module for a hereditary torsion theory t ...