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of 295
pro vyhledávání: '"Liang, Haihua"'
Booming deep learning has substantially improved the diagnosis for diverse lesions in ultrasound images, but a conspicuous research gap concerning cervical lymph node lesions still remains. The objective of this work is to diagnose cervical lymph nod
Externí odkaz:
http://arxiv.org/abs/2308.16738
Numerous studies have affirmed that deep learning models can facilitate early diagnosis of lesions in endoscopic images. However, the lack of available datasets stymies advancements in research on nasal endoscopy, and existing models fail to strike a
Externí odkaz:
http://arxiv.org/abs/2308.14081
This paper establishes a new Chebyshev criterion for some family of integrals. By virtue of this criterion we obtain several new Chebyshev families. With the help of these new families we can answer the conjecture posed by Gasull et al in 2015. %[J.
Externí odkaz:
http://arxiv.org/abs/2011.02857
Publikováno v:
In Journal of Differential Equations 25 January 2023 344:658-695
Akademický článek
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Autor:
Tian, Yuzhou, Liang, Haihua
This paper study the planar semi-quasi homogeneous polynomial differential systems (short for PSQHPDS), which can be regard as a generalization of semi-homogeneous and of quasi-homogeneous systems. By using the algebraic skills, several important pro
Externí odkaz:
http://arxiv.org/abs/1806.01077
Publikováno v:
In Applied Mathematics Letters November 2022 133
Autor:
Huang, Jianfeng, Liang, Haihua
In this paper we consider the limit cycles of the planar system $$\frac{d}{dt}(x,y)=\mathbf X_n+\mathbf X_m, $$ where $\mathbf X_n$ and $\mathbf X_m$ are quasi-homogeneous vector fields of degree $n$ and $m$ respectively. We prove that under a new hy
Externí odkaz:
http://arxiv.org/abs/1708.07959
Akademický článek
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Autor:
Huang, Jianfeng, Liang, Haihua
This paper is devoted to the investigation of generalized Abel equation $\dot{x}=S(x,t)=\sum^m_{i=0}a_i(t)x^i$, where $a_i\in\mathrm C^{\infty}([0,1])$. A solution $x(t)$ is called a {\em periodic solution} if $x(0)=x(1)$. In order to estimate the nu
Externí odkaz:
http://arxiv.org/abs/1606.04776