Search Results - "Gu, Qingsong"

  • Showing 1 - 20 results of 20
Refine Results
  1. 1

    Semi-linear elliptic inequalities on weighted graphs by Gu, Qingsong, Huang, Xueping, Sun, Yuhua

    “…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. 2

    Global positive solution to a semi-linear parabolic equation with potential on Riemannian manifold by Gu, Qingsong, Sun, Yuhua, Xiao, Jie, Xu, Fanheng

    “…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. 3

    Homogeneous Dirichlet Forms on p.c.f. Fractals and their Spectral Asymptotics by Gu, Qingsong, Lau, Ka-Sing, Qiu, Hua

    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. 4

    Geodesic metrics on fractals and applications to heat kernel estimates by Gu, Qingsong, Lau, Ka-Sing, Qiu, Hua, Ruan, Huo-Jun

    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. 5

    Anisotropic versions of the Brezis-Van Schaftingen-Yung approach at s = 1 and s = 0 by Gu, Qingsong, Huang, Qingzhong

    “…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. 6

    p-energies on p.c.f. self-similar sets by Cao, Shiping, Gu, Qingsong, Qiu, Hua

    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. 7

    A new formula for the Lp norm by Gu, Qingsong, Yung, Po-Lam

    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. 8
  9. 9

    Prediction of microsatellite instability of colorectal cancer using multi-scale pathological images based on deep learning by Cao, Ruifen, Gu, Qingsong, Tan, Dayu, Wei, Pijing, Zheng, Chunhou

    “…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. 10

    BGD domains in p.c.f. self-similar sets I: boundary value problems for harmonic functions by Gu, Qingsong, Qiu, Hua

    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. 11

    Anisotropic versions of the Brezis-Van Schaftingen-Yung approach at $s=1$ and $s=0 by Gu, Qingsong, Huang, Qingzhong

    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. 12

    Sharp criteria for nonlocal elliptic inequalities on manifolds by Gu, Qingsong, Huang, Xueping, Sun, Yuhua

    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. 13

    A new formula for the $L^p$ norm by Gu, Qingsong, Yung, Po-Lam

    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. 14

    Superlinear elliptic inequalities on weighted graphs by Gu, Qingsong, Huang, Xueping, Sun, Yuhua

    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. 15

    p$-energies on p.c.f. self-similar sets by Cao, Shiping, Gu, Qingsong, Qiu, Hua

    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. 16

    Lipschitz invariance of walk dimension on connected self-similar sets by Rao, Hui, Gu, Qingsong

    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. 17

    On nonexistence and existence of positive global solutions to heat equation with a potential term on Riemannian manifolds by Gu, Qingsong, Sun, Yuhua, Xu, Fanheng

    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. 18

    Dirichlet forms and critical exponents on fractals by Gu, Qingsong, Lau, Ka-Sing

    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. 19

    Metrics on the Sierpinski carpet by weight functions by Gu, Qingsong, Qiu, Hua, Ruan, Huo-Jun

    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. 20

    On a recursive construction of Dirichlet form on the Sierpi\'nski gasket by Gu, Qingsong, Lau, Ka-Sing, Qiu, Hua

    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