A brief introduction to manifold optimization

J Hu, X Liu, ZW Wen, YX Yuan - … of the Operations Research Society of …, 2020‏ - Springer
Manifold optimization is ubiquitous in computational and applied mathematics, statistics,
engineering, machine learning, physics, chemistry, etc. One of the main challenges usually …

Efficient spectral computation of the stationary states of rotating Bose–Einstein condensates by preconditioned nonlinear conjugate gradient methods

X Antoine, A Levitt, Q Tang - Journal of Computational Physics, 2017‏ - Elsevier
We propose a preconditioned nonlinear conjugate gradient method coupled with a spectral
spatial discretization scheme for computing the ground states (GS) of rotating Bose–Einstein …

Adaptive quadratically regularized Newton method for Riemannian optimization

J Hu, A Milzarek, Z Wen, Y Yuan - SIAM Journal on Matrix Analysis and …, 2018‏ - SIAM
Optimization on Riemannian manifolds widely arises in eigenvalue computation, density
functional theory, Bose--Einstein condensates, low rank nearest correlation, image …

Efficient SAV approach for imaginary time gradient flows with applications to one-and multi-component Bose-Einstein condensates

Q Zhuang, J Shen - Journal of Computational Physics, 2019‏ - Elsevier
Efficient and accurate numerical schemes, based on the scalar auxiliary variable (SAV)
approach, are proposed to find the ground state solutions of one-and multi-component Bose …

Moment generating function, expectation and variance of ubiquitous distributions with applications in decision sciences: A review

KH Pho, TDC Ho, TK Tran, WK Wong - Expectation and Variance of …, 2019‏ - papers.ssrn.com
Statistics have been widely used in many disciplines including science, social science,
business, engineering, and many others. One of the most important areas in statistics is to …

Computation of ground states of the Gross--Pitaevskii functional via Riemannian optimization

I Danaila, B Protas - SIAM Journal on Scientific Computing, 2017‏ - SIAM
In this paper we combine concepts from Riemannian optimization P.-A. Absil, R. Mahony,
and R. Sepulchre, Optimization Algorithms on Matrix Manifolds, Princeton University Press …

Second-order flows for computing the ground states of rotating Bose-Einstein condensates

H Chen, G Dong, W Liu, Z **e - Journal of Computational Physics, 2023‏ - Elsevier
Second-order flows in this paper refer to some artificial evolutionary differential equations
involving second-order time derivatives distinguished from gradient flows which are …

Constrained high-index saddle dynamics for the solution landscape with equality constraints

J Yin, Z Huang, L Zhang - Journal of Scientific Computing, 2022‏ - Springer
We propose a constrained high-index saddle dynamics (CHiSD) method to search for index-
k saddle points of an energy functional subject to equality constraints. With Riemannian …

Normalized Gradient Flow with Lagrange Multiplier for Computing Ground States of Bose--Einstein Condensates

W Liu, Y Cai - SIAM Journal on Scientific Computing, 2021‏ - SIAM
The normalized gradient flow, ie, the gradient flow with discrete normalization (GFDN)
introduced in [W. Bao and Q. Du, SIAM J. Sci. Comput., 25 (2004), pp. 1674--1697] or the …

Mathematical models and numerical methods for spinor Bose-Einstein condensates

W Bao, Y Cai - arxiv preprint arxiv:1709.03840, 2017‏ - arxiv.org
In this paper, we systematically review mathematical models, theories and numerical
methods for ground states and dynamics of spinor Bose-Einstein condensates (BECs) …