Functional Identity
If we perform a Wick rotation inside the functional integral, professors J. Garcia and Gerard 't Hooft showed using a functional differential equation, that
where S is the Wick-rotated classical action of the particle, J is the classical action with an extra term "x", delta (here) is the functional derivative operator and
Read more about this topic: Path Integral Formulation
Famous quotes containing the words functional and/or identity:
“Well designed, fully functional infant. Provides someone to live for as well as another mouth to feed. Produces cooing, gurgling and other adorable sounds. May cause similar behavior in nearby adults. Cries when hungry, sleepy or just because. Hand Wash with warm water and mild soap, then pat dry with soft cloth and talc. Internal mechanisms are self-cleaning... Two Genders: Male. Female. Five Colors: White. Black. Yellow. Red. Camouflage.”
—Alfred Gingold, U.S. humorist. Items From Our Catalogue, Baby, Avon Books (1982)
“The female culture has shifted more rapidly than the male culture; the image of the go-get em woman has yet to be fully matched by the image of the lets take-care-of-the-kids- together man. More important, over the last thirty years, mens underlying feelings about taking responsibility at home have changed much less than womens feelings have changed about forging some kind of identity at work.”
—Arlie Hochschild (20th century)