Search Results - "Du, Yihong"

Propagation and reaction–diffusion models with free boundaries by Du, Yihong

“…In this short survey, we describe some recent developments on the modeling of propagation by reaction-differential equations with free boundaries, which…”
Get full text

The Fisher-KPP equation over simple graphs: varied persistence states in river networks by Du, Yihong, Lou, Bendong, Peng, Rui, Zhou, Maolin

“…In this article, we study the dynamical behaviour of a new species spreading from a location in a river network where two or three branches meet, based on the…”
Get full text

Revisiting the Fisher–Kolmogorov–Petrovsky–Piskunov equation to interpret the spreading–extinction dichotomy by El-Hachem, Maud, McCue, Scott W., Jin, Wang, Du, Yihong, Simpson, Matthew J.

“…The Fisher–Kolmogorov–Petrovsky–Piskunov model, also known as the Fisher–KPP model, supports travelling wave solutions that are successfully used to model…”
Get full text

Automatic and objective gradation of 114 183 terrorist attacks using a machine learning approach by Chi, Wanle, Du, Yihong

“…Catastrophic events cause casualties, damage property, and lead to huge social impacts. To build common standards and facilitate international communications…”
Get full text

Spreading speed and profile for nonlinear Stefan problems in high space dimensions by Du, Yihong, Matsuzawa, Hiroshi, Zhou, Maolin

“…We consider nonlinear diffusion problems of the form ut=Δu+f(u) with Stefan type free boundary conditions, where the nonlinear term f(u) is of monostable,…”
Get full text

The Fisher-KPP nonlocal diffusion equation with free boundary and radial symmetry in $ {\mathbb R}^3 by Du, Yihong, Ni, Wenjie

“…This paper is concerned with the radially symmetric Fisher-KPP nonlocal diffusion equation with free boundary in dimension 3. For arbitrary dimension $ N\geq 2…”
Get full text

Finite Morse index solutions of weighted elliptic equations and the critical exponents by Du, Yihong, Guo, Zongming

“…We study the behavior of finite Morse index solutions to the weighted elliptic equation - div | x | θ ∇ v = | x | l | v | p - 1 v in Ω ⊂ R N ( N ≥ 2 ) , where…”
Get full text

Regularity and Asymptotic Behavior of Nonlinear Stefan Problems by Du, Yihong, Matano, Hiroshi, Wang, Kelei

“…We study the following nonlinear Stefan problem u t - d Δ u = g ( u ) for x ∈ Ω ( t ) , t > 0 , u = 0 and u t = μ | ∇ x u | 2 for x ∈ Γ ( t ) , t > 0 , u ( 0 ,…”
Get full text

Allee effect and bistability in a spatially heterogeneous predator-prey model by Du, Yihong, Shi, Junping

“…A spatially heterogeneous reaction-diffusion system modelling pre-dator-prey interaction is studied, where the interaction is governed by a Holling type II…”
Get full text

Locally uniform convergence to an equilibrium for nonlinear parabolic equations on $R^N by Polacik, Peter, Du, Yihong

Get full text

Improving Unsupervised Object-Based Change Detection via Hierarchical Multi-Scale Binary Partition Tree Segmentation: A Case Study in the Yellow River Source Region by Du, Yihong, He, Xiaoming, Chen, Liujia, Wang, Duo, Jiao, Weili, Liu, Yongkun, He, Guojin, Long, Tengfei

“…Change detection in remote sensing enables identifying alterations in surface characteristics over time, underpinning diverse applications. However,…”
Get full text

Long-time dynamics of an epidemic model with nonlocal diffusion and free boundaries by Chang, Ting-Ying, Du, Yihong

“…In this paper, we consider a reaction-diffusion epidemic model with nonlocal diffusion and free boundaries, which generalises the free-boundary epidemic model…”
Get full text

Automatic segment-wise restoration for wide irregular stripe noise in SDGSAT-1 multispectral data using side-slither data by Liu, Yongkun, Long, Tengfei, Jiao, Weili, Du, Yihong, He, Guojin, Chen, Bo, Huang, Peng

“…The raw orbital images captured by the new launched SDGSAT-1 Multispectral Image for Inshore (MII) are plagued by wide-irregular stripe noise, due to…”
Get full text

Special issue for Prof. Dancer by Bartsch, Thomas, Crooks, Elaine, Du, Yihong

Get full text

Automatic and objective gradation of 114 183 terrorist attacks using a machine learning approach by Chi, Wanle, Du, Yihong

“…Catastrophic events cause casualties, damage property, and lead to huge social impacts. To build common standards and facilitate international communications…”
Get full text

Synthesis of nanocrystalline titanium nitride at low temperature and its thermal stability by Ma, Jianhua, Wu, Meining, Du, Yihong, Chen, Suqin, Li, Guoxing, Hu, Jianbo

“…Nanocrystalline titanium nitride has been prepared via a convenient route by the reaction of metallic magnesium powder with titanium dioxide and ammonium…”
Get full text

Synthesis of nanocrystalline hexagonal tungsten carbide via co-reduction of tungsten hexachloride and sodium carbonate with metallic magnesium by Ma, Jianhua, Du, Yihong

“…Nanocrystalline tungsten carbide (WC) was synthesized via a simple route by the reaction of metallic magnesium with sodium carbonate and tungsten hexachloride…”
Get full text

Spreading and Vanishing for Nonlinear Stefan Problems in High Space Dimensions by Du, Yihong, Lou, Bendong, Zhou, Maolin

“…We classify the long-time behavior of solutions to nonlinear diffusive equations of the form u t − Δ u = f ( u ) for t > 0 and x over a variable domain Ω ( t )…”
Get full text

Formation of nanocrystalline niobium carbide (NbC) with a convenient route at low temperature by Ma, Jianhua, Wu, Meining, Du, Yihong, Chen, Suqin, Jin, Wu, Fu, Li, Yang, Qiongyao, Wen, Aifei

“…Nanocrystalline NbC has been prepared via a convenient route by the reaction of metallic magnesium powders with niobium pentoxide and basic magnesium carbonate…”
Get full text

A convenient thermal reduction–nitridation route to nanocrystalline molybdenum nitride (Mo 2N) by Ma, Jianhua, Du, Yihong

“…Nanocrystalline molybdenum nitride (γ-Mo 2N) was synthesized via a thermal reduction–nitridation route by the reaction of metallic sodium with anhydrous…”
Get full text