Search Results - "Gu, Qingsong"
-
1
Semi-linear elliptic inequalities on weighted graphs
Published in Calculus of variations and partial differential equations (01-03-2023)“…Let ( V , μ ) be an infinite, connected, locally finite weighted graph. We study the problem of existence or non-existence of positive solutions to a…”
Get full text
Journal Article -
2
Global positive solution to a semi-linear parabolic equation with potential on Riemannian manifold
Published in Calculus of variations and partial differential equations (01-10-2020)“…This paper determines when the Cauchy problem ∂ t u = Δ u - V u + W u p in M × ( 0 , ∞ ) u ( · , 0 ) = u 0 ( · ) in M has no global positive solution on a…”
Get full text
Journal Article -
3
Homogeneous Dirichlet Forms on p.c.f. Fractals and their Spectral Asymptotics
Published in Potential analysis (2024)“…We formulate a class of “homogeneous” Dirichlet forms (DF) that aims to explore those forms that do not satisfy the conventional energy self-similar identity…”
Get full text
Journal Article -
4
Geodesic metrics on fractals and applications to heat kernel estimates
Published in Science China. Mathematics (01-05-2023)“…It is well known that for a Brownian motion, if we change the medium to be inhomogeneous by a measure μ , then the new motion (the time-changed process) will…”
Get full text
Journal Article -
5
Anisotropic versions of the Brezis-Van Schaftingen-Yung approach at s = 1 and s = 0
Published in Journal of mathematical analysis and applications (15-09-2023)“…In 2014, Ludwig showed the limiting behavior of the anisotropic Gagliardo s-seminorm of a function f as s→1− and s→0+, which extend the results due to…”
Get full text
Journal Article -
6
p-energies on p.c.f. self-similar sets
Published in Advances in mathematics (New York. 1965) (27-08-2022)“…We study p-energies on post-critically finite (p.c.f.) self-similar sets for 1<p<∞, as limits of discrete p-energies on approximation graphs, extending the…”
Get full text
Journal Article -
7
A new formula for the Lp norm
Published in Journal of functional analysis (15-08-2021)“…Recently, Brezis, Van Schaftingen and the second author [4] established a new formula for the W˙1,p norm of a function in Cc∞(RN). The formula was obtained by…”
Get full text
Journal Article -
8
A new formula for the L norm
Published in Journal of functional analysis (01-08-2021)Get full text
Journal Article -
9
Prediction of microsatellite instability of colorectal cancer using multi-scale pathological images based on deep learning
Published in 2022 IEEE International Conference on Bioinformatics and Biomedicine (BIBM) (06-12-2022)“…Immunotherapy is an excellent treatment option for many solid tumors, and the therapeutic effect has been proved in clinical. Microsatellite instability (MSI)…”
Get full text
Conference Proceeding -
10
BGD domains in p.c.f. self-similar sets I: boundary value problems for harmonic functions
Published 03-09-2024“…We study the boundary value problems for harmonic functions on open connected subsets of post-critically finite (p.c.f.) self-similar sets, on which the…”
Get full text
Journal Article -
11
Anisotropic versions of the Brezis-Van Schaftingen-Yung approach at $s=1$ and $s=0
Published 02-01-2022“…In 2014, Ludwig showed the limiting behavior of the anisotropic Gagliardo $s$-seminorm of a function $f$ as $s\rightarrow 1^-$ and $s\rightarrow0^+$, which…”
Get full text
Journal Article -
12
Sharp criteria for nonlocal elliptic inequalities on manifolds
Published 05-04-2023“…Let $M$ be a complete non-compact Riemannian manifold and $\sigma $ be a Radon measure on $M$, we study the existence and non-existence of positive solutions…”
Get full text
Journal Article -
13
A new formula for the $L^p$ norm
Published 18-02-2021“…Recently, Brezis, Van Schaftingen and the second author established a new formula for the $\dot{W}^{1,p}$ norm of a function in $C^{\infty}_c(\mathbb{R}^N)$…”
Get full text
Journal Article -
14
Superlinear elliptic inequalities on weighted graphs
Published 17-01-2022“…Let $(V,\mu)$ be an infinite, connected, locally finite weighted graph. We study the problem of existence or non-existence of positive solutions to a…”
Get full text
Journal Article -
15
p$-energies on p.c.f. self-similar sets
Published 20-12-2021“…We study $p$-energies on post critically finite (p.c.f.) self-similar sets for $1<p<\infty$, as limits of discrete $p$-energies on approximation graphs,…”
Get full text
Journal Article -
16
Lipschitz invariance of walk dimension on connected self-similar sets
Published 14-09-2016“…Walk dimension is an important conception in analysis of fractals. In this paper we prove that the walk dimension of a connected compact set possessing an…”
Get full text
Journal Article -
17
On nonexistence and existence of positive global solutions to heat equation with a potential term on Riemannian manifolds
Published 06-01-2019“…We reinvestigate nonexistence and existence of global positive solutions to heat equation with a potential term on Riemannian manifolds. Especially, we give a…”
Get full text
Journal Article -
18
Dirichlet forms and critical exponents on fractals
Published 21-03-2017“…Let $B^{\sigma}_{2, \infty}$ denote the Besov space defined on a compact set $K \subset {\Bbb R}^d$ which is equipped with an $\alpha$-regular measure $\mu$…”
Get full text
Journal Article -
19
Metrics on the Sierpinski carpet by weight functions
Published 07-06-2018“…We construct certain metrics on the Sierpinski carpet via a class of self-similar weight functions. Using these metrics and by applying known results, we…”
Get full text
Journal Article -
20
On a recursive construction of Dirichlet form on the Sierpi\'nski gasket
Published 05-07-2017“…Let $\Gamma_n$ denote the $n$-th level Sierpi\'nski graph of the Sierpi\'nski gasket $K$. We consider, for any given conductance $(a_0, b_0, c_0)$ on…”
Get full text
Journal Article