Trace Class Operators

Famous quotes containing the words trace and/or class:

“Yet ere I can say where—the chariot hath
Passed over them—nor other trace I find
But as of foam after the ocean’s wrath”
—Percy Bysshe Shelley (1792–1822)

“No human being is innocent, but there is a class of innocent human actions called Games.”
—W.H. (Wystan Hugh)