111 citations · 284 across the 47 of their papers we have counts for
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math-ph2013★ 7 cited
Weak commutation relations of unbounded operators: nonlinear extensions
Fabio Bagarello, Atsushi Inoue, Camillo Trapani
We continue our analysis of the consequences of the commutation relation $[S,T]=\Id$, where and are two closable unbounded operators. The {\em weak} sense of this commutato…
math-ph2013★ 20 cited
Some remarks on quasi-Hermitian operators
Jean-Pierre Antoine, Camillo Trapani
A quasi-Hermitian operator is an operator that is similar to its adjoint in some sense, via a metric operator, i.e., a strictly positive self-adjoint operator. Whereas those metric…