On the distribution of primitive Pythagorean triangles
On the mean value of a kind of zeta functions
-Gorenstein projective, injective and flat modules
By analogy with the projective, injective and flat modules, in this paper we study some properties of -Gorenstein projective, injective and flat modules and discuss some connections between -Gorenstein injective and -Gorenstein flat modules. We also investigate some connections between -Gorenstein projective, injective and flat modules of change of rings.
Explicit inverse of the Pascal matrix plus one.
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