Jess Riedel

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Name	Jess Riedel
Member for	3 years
Seen	Apr 17 at 16:14
Website	jessriedel.com
Location	Yorktown Heights, NY
Age	27

Physics post-doc at IBM Watson research center in Yorktown Heights, NY. Interested in quantum information, foundations, and decoherence. And maybe dark matter.

Ph.D. UCSB Physics 2010 (advisor: Wojciech Zurek).

B.A. Princeton Physics 2007.

TJHSST 2003. My gmail address is jessriedel

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Can the von Neumann entropy of a positive, positive semi-definite, and unit-trace density matrix with equal on-diagonal terms be bounded by equalizing all off-diagonal elements to their highest/lowest value?

aug 16 11 at 8:59 KoenraadA 56●1

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442

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Dependence of trace norm on matrix size for smooth vs. random matrices.

linear-algebra mp.mathematical-physics random-matrices

aug 15 10 at 0:14 Jess Riedel 435●1●7

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406

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What are the interesting cases of the generalized Korteweg-de Vries equation?

ap.analysis-of-pdes differential-equations

may 3 10 at 21:03 mathphysicist 3,506●14●29

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999

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Numerical instability using only Heun’s method on a simple PDE.

na.numerical-analysis ap.analysis-of-pdes

may 12 10 at 20:57 Jess Riedel 435●1●7

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529

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Is there a useful generalization of the Schmidt decomposition to the tensoring together of 3 or more vector spaces?

mp.mathematical-physics linear-algebra quantum-mechanics it.information-theory

may 16 11 at 23:05 Jess Riedel 435●1●7

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318

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Is there a simple relation between the entropy of a matrix and its characteristic polynomial?

linear-algebra matrix-equations determinants entropy it.information-theory

jul 18 at 19:21 Julian Rosen 881●4●5

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824

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Is there a general method for determing the domain of dependence of (higher-order) PDEs?

na.numerical-analysis ap.analysis-of-pdes

may 15 10 at 19:28 Willie Wong 6,987●20●43

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383

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What is the entropy of a density matrix which is the sum of two unitarily equivalent projectors?

mp.mathematical-physics linear-algebra it.information-theory quantum-mechanics

jun 21 10 at 19:38 Jess Riedel 435●1●7

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353

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What conditions on a probability distribution defined by long-time averaging do I need to satisfy a central limit theorem?

pr.probability probability-distributions measure-theory st.statistics

sep 9 11 at 22:50 David Moews 170●4

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405

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Bounding the von Neumann entropy of a density matrix with the Hilbert-Schmidt norm

quantum-mechanics it.information-theory quantum-computation linear-algebra

nov 10 11 at 22:43 Greg Kuperberg 36.2k●2●116●179

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Conditional expectation

Classical Limit of Feynman Path Integral

Under what conditions will a unitary matrix fix a subspace which does not diagonalize the generating Hamiltonian?

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Questions

Can the von Neumann entropy of a positive, positive semi-definite, and unit-trace density matrix with equal on-diagonal terms be bounded by equalizing all off-diagonal elements to their highest/lowest value?

Dependence of trace norm on matrix size for smooth vs. random matrices.

What are the interesting cases of the generalized Korteweg-de Vries equation?

Numerical instability using only Heun’s method on a simple PDE.

Is there a useful generalization of the Schmidt decomposition to the tensoring together of 3 or more vector spaces?

Is there a simple relation between the entropy of a matrix and its characteristic polynomial?

Is there a general method for determing the domain of dependence of (higher-order) PDEs?

What is the entropy of a density matrix which is the sum of two unitarily equivalent projectors?

What conditions on a probability distribution defined by long-time averaging do I need to satisfy a central limit theorem?

Bounding the von Neumann entropy of a density matrix with the Hilbert-Schmidt norm

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