Gauge bosons at zero and finite temperature

A Maas - Physics Reports, 2013 - Elsevier
Gauge theories of the Yang–Mills type are the single most important building block of the
standard model of particle physics and beyond. They are an integral part of the strong and …

Synchronization in complex networks of phase oscillators: A survey

F Dörfler, F Bullo - Automatica, 2014 - Elsevier
The emergence of synchronization in a network of coupled oscillators is a fascinating
subject of multidisciplinary research. This survey reviews the vast literature on the theory …

On the critical coupling for Kuramoto oscillators

F Dörfler, F Bullo - SIAM Journal on Applied Dynamical Systems, 2011 - SIAM
The celebrated Kuramoto model captures various synchronization phenomena in biological
and man-made dynamical systems of coupled oscillators. It is well known that there exists a …

[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 …

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 …

Finding all the stationary points of a potential-energy landscape via numerical polynomial-homotopy-continuation method

D Mehta - Physical Review E—Statistical, Nonlinear, and Soft …, 2011 - APS
The stationary points (SPs) of a potential-energy landscape play a crucial role in
understanding many of the physical or chemical properties of a given system. However …

Counting equilibria of the Kuramoto model using birationally invariant intersection index

T Chen, R Davis, D Mehta - SIAM Journal on Applied Algebra and Geometry, 2018 - SIAM
Synchronization in networks of interconnected oscillators is a fascinating phenomenon that
appears naturally in many independent fields of science and engineering. A substantial …

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 …

Loss surface of XOR artificial neural networks

D Mehta, X Zhao, EA Bernal, DJ Wales - Physical Review E, 2018 - APS
Training an artificial neural network involves an optimization process over the landscape
defined by the cost (loss) as a function of the network parameters. We explore these …

Energy-landscape analysis of the two-dimensional nearest-neighbor model

D Mehta, JD Hauenstein, M Kastner - … E—Statistical, Nonlinear, and Soft Matter …, 2012 - APS
The stationary points of the potential energy function of the φ 4 model on a two-dimensional
square lattice with nearest-neighbor interactions are studied by means of two numerical …