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:
“In short, the building becomes a theatrical demonstration of its functional ideal. In this romanticism, High-Tech architecture is, of course, no different in spirit—if totally different in form—from all the romantic architecture of the past.”
—Dan Cruickshank (b. 1949)
“Whether outside work is done by choice or not, whether women seek their identity through work, whether women are searching for pleasure or survival through work, the integration of motherhood and the world of work is a source of ambivalence, struggle, and conflict for the great majority of women.”
—Sara Lawrence Lightfoot (20th century)