Persistent homology analysis of phase transitions

I Donato, M Gori, M Pettini, G Petri, S De Nigris… - Physical Review E, 2016 - APS
Persistent homology analysis, a recently developed computational method in algebraic
topology, is applied to the study of the phase transitions undergone by the so-called mean …

Completeness of solutions of Bethe's equations

W Hao, RI Nepomechie, AJ Sommese - Physical Review E—Statistical …, 2013 - APS
We consider the Bethe equations for the isotropic spin-1/2 Heisenberg quantum spin chain
with periodic boundary conditions. We formulate a conjecture for the number of solutions …

[HTML][HTML] Algebraic geometrization of the Kuramoto model: Equilibria and stability analysis

D Mehta, NS Daleo, F Dörfler… - … Interdisciplinary Journal of …, 2015 - pubs.aip.org
Finding equilibria of the finite size Kuramoto model amounts to solving a nonlinear system of
equations, which is an important yet challenging problem. We translate this into an algebraic …

Surveying a complex potential energy landscape: Overcoming broken ergodicity using basin-sampling

DJ Wales - Chemical Physics Letters, 2013 - Elsevier
A new basin-sampling scheme is introduced to obtain equilibrium thermodynamic properties
by combining results from global optimisation and parallel tempering calculations. Regular …

Numerical polynomial homotopy continuation method and string vacua

D Mehta - Advances in High Energy Physics, 2011 - Wiley Online Library
Finding vacua for the four‐dimensional effective theories for supergravity which descend
from flux compactifications and analyzing them according to their stability is one of the …

[HTML][HTML] From Geometry of Hamiltonian Dynamics to Topology of Phase Transitions: A Review

G Pettini, M Gori, M Pettini - Entropy, 2024 - mdpi.com
In this review work, we outline a conceptual path that, starting from the numerical
investigation of the transition between weak chaos and strong chaos in Hamiltonian systems …

The loss surface of deep linear networks viewed through the algebraic geometry lens

D Mehta, T Chen, T Tang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
By using the viewpoint of modern computational algebraic geometry, we explore properties
of the optimization landscapes of deep linear neural network models. After providing …

Finding all flux vacua in an explicit example

D Martinez-Pedrera, D Mehta, M Rummel… - Journal of High Energy …, 2013 - Springer
A bstract We explicitly construct all supersymmetric flux vacua of a particular Calabi-Yau
compactification of type IIB string theory for a small number of flux carrying cycles and a …

Infinite idealizations in physics

E Shech - Philosophy Compass, 2018 - Wiley Online Library
In this essay, I provide an overview of the debate on infinite and essential idealizations in
physics. I will first present two ostensible examples: phase transitions and the Aharonov …

Numerical algebraic geometry: a new perspective on gauge and string theories

D Mehta, YH He, JD Hauenstein - Journal of High Energy Physics, 2012 - Springer
A bstract There is a rich interplay between algebraic geometry and string and gauge
theories which has been recently aided immensely by advances in computational algebra …