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dbkaplan
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I am trained as a particle physicist, current director of the Institute for Nuclear Theory. My work deals with various aspects of quantum field theory, particle physics, and cosmology.

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Evaluation of an $n$-dimensional integral
Mar 2, 2014
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Explicit proof of the derivative of a matrix logarithm
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Integrate $\int_0^1\mathrm{d} u_1 \cdots \int_0^1\mathrm{d} u_n \frac{\delta(1-u_1-\cdots-u_n)}{(u_1+u_2)(u_2+u_3)\cdots(u_{n-1}+u_n)(u_n+u_1)}$