The phantom cover of a module
I Herzog - Advances in Mathematics, 2007 - Elsevier
A morphism f: M→ N of left R-modules is a phantom morphism if for any morphism g: A→ M,
with A finitely presented, the composition fg factors through a projective module …
with A finitely presented, the composition fg factors through a projective module …
The phantom cover of a module
I Herzog - Advances in Mathematics, 2007 - infona.pl
A morphism f: M→ N of left R-modules is a phantom morphism if for any morphism g: A→ M,
with A finitely presented, the composition fg factors through a projective module …
with A finitely presented, the composition fg factors through a projective module …
The phantom cover of a module
I Herzog - Advances in mathematics, 2007 - dialnet.unirioja.es
A morphism of left R-modules is a phantom morphism if for any morphism, with A finitely
presented, the composition fg factors through a projective module. Equivalently, Tor1 (X, f) …
presented, the composition fg factors through a projective module. Equivalently, Tor1 (X, f) …
[PDF][PDF] The phantom cover of a module
I Herzog - Advances in Mathematics, 2007 - Citeseer
A morphism f: M→ N of left R-modules is a phantom morphism if for any morphism g: A→ M,
with A finitely presented, the composition fg factors through a projective module …
with A finitely presented, the composition fg factors through a projective module …