2 papers
math.FA2009
Unitary loops and factorization
Doug Pickrell, Benjamin Pittman-Polletta
We consider a refinement of triangular factorization for unitary matrix valued loops.
math.RT2009
A geometric interpretation and explicit form for higher-order Hankel operators
B. Pittman-Polletta
This paper deals with well-known higher-order generalizations of Hankel operators. We show that higher-order Hankel operators can be written explicitly as linear differential opera…