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- David Kastor, K Z Win
- 2008

Non-extreme black hole solutions of four dimensional, N = 2 supergravity theories with Calabi-Yau prepotentials are presented, which generalize certain known double-extreme and extreme solutions. The boost parameters characterizing the nonextreme solutions must satisfy certain constraints, which effectively limit the functional independence of the moduli… (More)

The 256 dimensional M2-brane multiplet contains solitons of many different intrinsic spins. Using the broken supersymmetry transformations of the M2-brane, we find super-gravity solutions which explicitly display these spins. This amounts to quantizing the fermionic zero modes and computing the back reaction on the metric and gauge potential. These… (More)

- K Z Win
- 1998

A general condition for the existence of fermion zero modes is derived for the M-5-brane, the M-2-brane and the D = 4, N = 2 Majumdar-Papapetrou 0-brane. The fermion zero modes of these p-branes do not exist if the supersymmetry spinor generator goes to a constant at the horizon and they exist only if it vanishes there. In particular it is shown that the… (More)

- K Z Win
- 1996

Efficient formulae of Ricci tensor for an arbitrary diagonal metric are presented.

This paper describes two novel facial expression recognition methods which are robust for head rotation within a certain angle range between-30 degrees and +30 degrees. We had proposed Eigenspace Method based on Class features of object (EMC) and Multiple Discriminant Analysis (MDA) for facial expression recognition. Our new methods, pEMC (parametric… (More)

- Jennie Traschen, K Z Win
- 1997

We present analytical perturbative, and numerical solutions of the Einstein equation which describe a black hole with a nontrivial dila-ton field and a purely topological gauge potential. The gauge potential has zero field strength and hence no stress-energy, but it does couple to virtual string worldsheets which wrap around the Euclidean horizon… (More)

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