A brief introduction to equi-chordal and equi-isoclinic tight fusion frames

Matthew Fickus, John Jasper, Dustin G. Mixon +1

Equi-chordal and equi-isoclinic tight fusion frames (ECTFFs and EITFFs) are both types of optimal packings of subspaces in Euclidean spaces. In the special case where these subspac…