Homotopy techniques for tensor decomposition and perfect identifiability

JD Hauenstein, L Oeding, G Ottaviani… - Journal für die reine …, 2019 - degruyter.com
Let T be a general complex tensor of format (n 1,…, nd). When the fraction∏ ini/[1+∑ i (ni-1)]
is an integer, and a natural inequality (called balancedness) is satisfied, it is expected that T …

Bifurcation for a free-boundary tumor model with angiogenesis

Y Huang, Z Zhang, B Hu - Nonlinear Analysis: Real World Applications, 2017 - Elsevier
We consider a free boundary tumor model with vasculature which supply nutrients to the
tumor, so that∂ σ∂ n+ β (σ− σ¯)= 0 holds on the boundary, where a positive constant β is …

[HTML][HTML] Symmetry-breaking bifurcation for a free-boundary tumor model with time delay

XE Zhao, B Hu - Journal of Differential Equations, 2020 - Elsevier
Large number of papers have been devoted to the study of tumor models. Wellpostedness
as well as properties of solutions are systematically studied [1],[2],[3],[5],[6],[7],[8],[9],[10],[11] …

Bifurcation for a free-boundary problem modeling small plaques with reverse cholesterol transport

X Zhang, B Hu, Z Zhang - Journal of Mathematical Analysis and …, 2023 - Elsevier
In this paper, we rigorously analyze a free boundary model of plaque growth under the
influence of reverse cholesterol transport (RCT). We will analyze a model with a highly …

[HTML][HTML] A bootstrapping approach for computing multiple solutions of differential equations

W Hao, JD Hauenstein, B Hu, AJ Sommese - Journal of Computational and …, 2014 - Elsevier
Discretizing systems of nonlinear algebraic differential equations yields polynomial systems.
When using a fine discretization, the resulting polynomial system is often too large to solve …

An adaptive homotopy method for computing bifurcations of nonlinear parametric systems

W Hao, C Zheng - Journal of Scientific Computing, 2020 - Springer
In this paper, we present an adaptive step-size homotopy tracking method for computing
bifurcation points of nonlinear systems. There are four components in this new method:(1) …

Bifurcation analysis of a free boundary model of vascular tumor growth with a necrotic core and chemotaxis

MJ Lu, W Hao, B Hu, S Li - Journal of Mathematical Biology, 2023 - Springer
A considerable number of research works has been devoted to the study of tumor models.
Several biophysical factors, such as cell proliferation, apoptosis, chemotaxis, angiogenesis …

Bifurcation for a free boundary problem modeling a small arterial plaque

XE Zhao, B Hu - Journal of Differential Equations, 2021 - Elsevier
Atherosclerosis, hardening of the arteries, originates from small plaques in the arteries; it is a
major cause of disability and premature death in the United States and worldwide. In this …

Nonlinear simulation of vascular tumor growth with chemotaxis and the control of necrosis

MJ Lu, W Hao, C Liu, J Lowengrub, S Li - Journal of Computational Physics, 2022 - Elsevier
In this paper, we develop a sharp interface tumor growth model in two dimensions to study
the effect of both the intratumoral structure using a controlled necrotic core and the …

A homotopy training algorithm for fully connected neural networks

Q Chen, W Hao - Proceedings of the Royal Society A, 2019 - royalsocietypublishing.org
In this paper, we present a homotopy training algorithm (HTA) to solve optimization
problems arising from fully connected neural networks with complicated structures. The HTA …