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Mathematical methods in classical mechanics, classical and quantum field theory, quantum mechanics, statistical mechanics, condensed matter, nuclear and atomic physics.

0 votes

Building a Physical Model to Solve Sudoku

Maybe this paper does what you are looking for ? Optimization hardness as transient chaos in an analog approach to constraint satisfaction M Ercsey-Ravasz, Z Toroczkai - Nature Physics, 2011 http://a …
Piyush Grover's user avatar
6 votes

Open problems in mathematical physics

The following contains several open problems (as of 2001, but most are still open I believe) in topological fluid dynamics by Moffatt : Some Remarks on Topological Fluid Mechanics
1 vote
1 answer
281 views

Spectral perturbation theory of discrete spectra in presence of continuous spectrum

This is a 2 part question: 1). I am looking for a (hopefully accessible to beginning grad student who knows matrix perturbation theory) reference for doing concrete calculations of perturbed discrete …
Piyush Grover's user avatar
9 votes

Book on the Three body Problem

For the Restricted three-body problem, I suggest: Dynamical Systems, the Three-Body Problem and Space Mission Design By Marsden,Koon,Lo and Ross Available free at: www2.esm.vt.edu/~sdross/books This …
Piyush Grover's user avatar
1 vote

Mathematical physics without partial derivatives

One way for reformulating all of (classical) mechanics is Peridynamics, which does away with derivatives. It is essentially a non-local reformulation. Javili, Ali, et al. "Peridynamics review." Mathem …
Piyush Grover's user avatar
5 votes
1 answer
268 views

Do there exist any variational principles on the space of braids (or knots)?

This is very speculative question and I do not know where to start looking up the literature, or if what I am looking for is even mathematically possible/meaningful. Q: I am interested in finding out …
Piyush Grover's user avatar
3 votes
0 answers
125 views

Rigorous stability analysis of infinite dimensional ODEs : How to bound the tails?

My question is about linear stability analysis of dynamical systems obtained by discretizing linear(ized) partial differential equations. Consider, $\dot{x}=Ax$, where $x$ is the infinite dimensional …
Piyush Grover's user avatar
9 votes

Open problems in PDEs, dynamical systems, mathematical physics

Dynamical systems is a huge field, with at least 3 (or more) subdisciplines which often interact with each other, but also have self-contained advances. Ergodic theory, topological dynamical systems, …
2 votes
1 answer
222 views

When is a stationary measure of a Markov chain "exponentially localized"?

Here exponentially localized can be thought in a non-rigorous manner as a measure that is mostly supported on a sparse number of nodes. Some intuition can gained by thinking about a diffusion process, …
Piyush Grover's user avatar