Indecomposable positive maps in low dimensional matrix algebras

A series of absolutely indecomposable positive maps in matrix algebras

Positive maps of low dimensional matrix algebras

Merging of positive maps: A construction of various classes of positive maps on matrix algebras

New Tools for Investigating Positive Maps in Matrix Algebras

Indecomposable positive linear maps and entanglement

Indecomposable Exposed Positive Bi-linear Maps Between Two by Two Matrices