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Results tagged with statistical-physics
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user 13408
1
vote
0
answers
159
views
Computational complexity of higher order cumulants
From Wikipedia:
In probability theory and statistics, the cumulants κn of a probability distribution are a set of quantities that provide an alternative to the moments of the distribution. Any two pro …
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3
votes
1
answer
282
views
Proof of an Ising model representation of graph isomorphism problem
I am going to through Ising formulations of many NP problems by Andrew Lucas. In section $9$ on page 22, the author introduced an exact Ising formulation of the graph isomorphism problem. Given two ga …
- 661
1
vote
1
answer
282
views
Ising spin vs Pauli spin matrices [closed]
Are Ising spins scalar or operators? I am not a condensed matter physicist hence having some confusion. I have learnt about Ising models from adiabatic quantum algorithm papers. For example this prese …
- 661
1
vote
0
answers
100
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Software tool to generate the Ising model for random $k$-SAT problems
Is there a software tool available to study the phase transition of the underlying Ising model for a given class of random $k$-SAT problems? I am basically asking whether the framework presented in th …
- 661
4
votes
1
answer
639
views
Parameters of energy function for TSP
[This question was initially asked here. It went unanswered so I thought I should ask it in a different community.]
I am reading this paper by Hopfield et al. On page six, the authors defined the ene …
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2
votes
0
answers
349
views
Which complexity information of Ising model is more important?
In 1982, Barahona proved that finding the ground state of an Ising model is NP-hard. Later, in 2000, Istrail proved that it is NP-complete. When I look up the citations of these two papers using Googl …
- 661
9
votes
1
answer
6k
views
Quantum annealing vs adiabatic quantum computation
I had this impression that quantum annealing is an optimization technique which may or may not produce exact solutions. On the other hand adiabatic quantum computation always gives exact solutions whe …
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