Speaker: | Wu-yen Chuang (National Taiwan University) |
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Title: | BPS State Wallcrossing and ADHM Sheaf Theory (Part I) |
Date (JST): | Mon, Feb 06, 2012, 14:00 - 15:00 |
Place: | Seminar Room A |
Abstract: |
Part I: In the first part of the talk I will review the physics of D-brane BPS state counting, stability condition and wallcrossing. The physics derivation of the wallcrossing formulas will also be discussed. After that I will specialize to the geometry where quiver description is available and discuss theta stability condition, stable representations and mutations. |