Eric Sharpe - Examples of homological projective duality in physics
Eric Sharpe - Examples of homological projective duality in physics
Eric Sharpe - Examples of homological projective duality in physics
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So far:<br />
The GLSM realizes:<br />
// + : // - :<br />
P 3 branched double cover<br />
[2,2]<br />
Kahler<br />
= T 2 <strong>of</strong> P 1 ,<br />
over deg 4 locus = T 2<br />
where RHS realized at // - via<br />
local Z 2 gerbe structure + Berry phase.<br />
(S. Hellerman, A. Henriques, T. Pantev, ES, M Ando, ‘06; R Donagi, ES, ‘07;<br />
A. Caldararu, J. Distler, S. Hellerman, T. Pantev, E.S., ‘07)<br />
* novel realization <strong>of</strong> geometry<br />
(via nonperturbative effects)