Manifest Activity: Thomas Reid’s Theory of Action

BOOK REVIEW: Gideon Yaffee, Manifest Activity: Thomas Reidâ•Žs Theory of Action

Thomas-Fermi Theory of Fullerenes

We study C60 with the use of Thomas-Fermi theory. A spherical shell model is invoked to treat the nuclear potential, where the nuclear and core charges are smeared out into a shell of constant surface charge density. The valence electron distribution and the electrostatic potential are efficiently computed by integration of the Thomas-Fermi equation, subject to the shell boundary conditions. To...

Manifest Duality in Born-infeld Theory

Born-Infeld theory is formulated using an infinite set of gauge fields, along the lines of McClain, Wu and Yu. In this formulation electromagnetic duality is generated by a fully local functional. The resulting consistency problems are analyzed and the formulation is shown to be consistent. Email address: [email protected]. Supported by NFR.

The Local Donaldson-thomas Theory of Curves

The local Donaldson-Thomas theory of curves is solved by localization and degeneration methods. The results complete a triangle of equivalences relating Gromov-Witten theory, Donaldson-Thomas theory, and the quantum cohomology of the Hilbert scheme of points of the plane.

Interprofessional Education Conference: Grounding Action in Theory

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