Zhiguang Hu

ORCID: 0000-0002-2529-1006
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Research Areas
  • Advanced Differential Geometry Research
  • Advanced Topics in Algebra
  • Anomaly Detection Techniques and Applications
  • Finite Group Theory Research
  • Algebraic structures and combinatorial models
  • Matrix Theory and Algorithms
  • biodegradable polymer synthesis and properties
  • Advanced Algebra and Geometry
  • Network Security and Intrusion Detection
  • Calcium Carbonate Crystallization and Inhibition
  • Thyroid Cancer Diagnosis and Treatment
  • HIV/AIDS Impact and Responses
  • Electricity Theft Detection Techniques
  • Regional Economic and Spatial Analysis
  • Advancements in Solid Oxide Fuel Cells
  • Freezing and Crystallization Processes
  • Advanced Scientific Research Methods
  • Magnetic and Electromagnetic Effects
  • Thyroid and Parathyroid Surgery
  • Gas Sensing Nanomaterials and Sensors
  • Simulation and Modeling Applications
  • Functional Equations Stability Results
  • Geotechnical and Geomechanical Engineering
  • CO2 Sequestration and Geologic Interactions
  • Digital Media Forensic Detection

Southern Medical University
2023

Tianjin Normal University
2010-2022

Chinese Academy of Medical Sciences & Peking Union Medical College
2019

North China Electric Power University
2004-2017

Nankai University
2010-2013

Northeast Agricultural University
2013

Guangzhou Municipal Engineering Design and Research Institute
2006

Harbin University of Science and Technology
2006

Fujian Polytechnic of Information Technology
2005

With the development of fuel cells, multi-stack cell system (MFCS) for high power application has shown tremendous potential owing to their obvious advantages including efficiency, durability, reliability, and pollution-free. Accordingly, state-of-the-art MFCS is summarized analyzed advance its research. Firstly, applications are presented in high-power scenarios, especially transportation applications. Then, further investigate MFCS, hydrogen air subsystem, thermal water architecture,...

10.1016/j.geits.2023.100068 article EN cc-by-nc-nd Green Energy and Intelligent Transportation 2023-01-20

10.1016/j.aim.2013.02.002 article EN publisher-specific-oa Advances in Mathematics 2013-03-30

Poly(aspartic acid-citric acid) copolymer (PAC) is a new product of poly(carboxylic scale inhibitor. The study aims to develop "green" water treatment agent for calcium phosphate scale. article compares the efficiency three polymeric antiscalants, poly(aspartic (PAC), polymaleic acid (HPMA) and compound inhibitor (PAC-HPMA), prevention under varying experimental conditions. Inhibitor concentration, system pH, temperature time were varied determine their influences on performance by static...

10.1016/j.jart.2016.08.006 article EN Journal of Applied Research and Technology 2016-12-01

Abstract In this paper we give an explicit formula for the flag curvature of homogeneous Randers spaces Douglas type and apply to obtain some interesting results. We first deduce arbitrary left invariant Randersmetric on a two-step nilpotent Lie group. Then classification negatively curved type. This results, in particular, many examples non-Riemannian Finsler with negative curvature. Finally, prove rigidity result that space Berwald whose is everywhere nonzero must be Riemannian.

10.4153/cjm-2012-004-6 article EN Canadian Journal of Mathematics 2012-04-19

In this paper, we use the technique of Finslerian submersion to deduce a flag curvature formula for homogeneous Finsler spaces.Based on formula, give complete classification even-dimensional smooth coset spaces G/H admitting G-invariant metrics with positive curvature.It turns out that list coincides even dimensional Riemannian manifolds sectional obtained by N.R. Wallach.We also find all invariant non-Riemannian curvature.

10.1512/iumj.2017.66.6040 article EN Indiana University Mathematics Journal 2017-01-01

10.1016/j.laa.2021.03.014 article EN Linear Algebra and its Applications 2021-03-18

Abstract In this paper we study three dimensional homogeneous Finsler manifolds. We first obtain a complete list of the three‐dimensional manifolds which admit invariant metrics. Then consider Randers metrics and present classification spaces under isometrics.

10.1002/mana.201100100 article EN Mathematische Nachrichten 2012-02-09

In this paper, we use the technique of Finslerian submersion to deduce a flag curvature formula for homogeneous Finsler spaces. Based on formula, give complete classification even-dimensional smooth coset spaces $G/H$ admitting $G$-invariant metrics with positive curvature. It turns out that list coincides even dimensional Riemannian manifolds sectional obtained by N.R. Wallach. We also find all invariant non-Riemannian

10.48550/arxiv.1407.3582 preprint EN other-oa arXiv (Cornell University) 2014-01-01

10.1016/j.geomphys.2010.09.003 article EN Journal of Geometry and Physics 2010-09-09

10.1016/j.laa.2018.11.015 article EN publisher-specific-oa Linear Algebra and its Applications 2018-11-13

10.1016/j.laa.2018.08.036 article EN Linear Algebra and its Applications 2018-08-28

This paper discussed the working principle of binary channel surface acoustic wave (SAW) lithium niobate piezoelectric chip detecting mustard, established mathematic model beat frequency output Δf and mustard gas density δ. The MEMS craft solved parameters SAW such as its interdigital electrode number was 15∼25 couple, width spacing were both 25µm, degree overlapping 2mm, fundamental 10∼35MHz, frequency-domain 5∼20Hz, back pt hot film's. According to TG-DSC thermal analysis, vacuum coating...

10.1088/1742-6596/48/1/054 article EN Journal of Physics Conference Series 2006-10-01

10.1016/j.na.2013.07.005 article EN Nonlinear Analysis 2013-08-01

Current unsupervised anomaly detection approaches perform well on public datasets but struggle with specific types due to the domain gap between pre-trained feature extractors and target-specific domains. To tackle this issue, paper presents a two-stage training strategy, called \textbf{ToCoAD}. In first stage, discriminative network is trained by using synthetic anomalies in self-supervised learning manner. This then utilized second stage provide negative guide, aiding of extractor through...

10.48550/arxiv.2407.01312 preprint EN arXiv (Cornell University) 2024-07-01

10.1016/j.laa.2024.07.016 article Linear Algebra and its Applications 2024-11-01

We present MANTA, a visual-text anomaly detection dataset for tiny objects. The visual component comprises over 137.3K images across 38 object categories spanning five typical domains, of which 8.6K are labeled as anomalous with pixel-level annotations. Each image is captured from distinct viewpoints to ensure comprehensive coverage. text consists two subsets: Declarative Knowledge, including 875 words that describe common anomalies various domains and specific categories, detailed...

10.48550/arxiv.2412.04867 preprint EN arXiv (Cornell University) 2024-12-06

The Weyl integration model presented by An and Wang can be effectively used to reduce the over $G$-space. In this paper, we construct an especial for KAK decomposition of Reductive Lie Group obtain formula which implies that $L^1$-integrable function reductive group $G$ carried out first integrating each conjugacy class then set classes.

10.48550/arxiv.math/0504220 preprint EN other-oa arXiv (Cornell University) 2005-01-01

10.5486/pmd.2019.8322 article EN Publicationes Mathematicae Debrecen 2019-01-01

Abstract Background This study tries to find the patterns of new nodules in contralateral thyroid lobe among papillary carcinomas (PTCs) after lobectomy using ultrasonography. Methods Of note, 456 PTCs were enrolled. Clinicopathological features primary tumors and sonographic documented. Logistic regression analysis was performed identify risk factors for nodules. Results The overall incidence 41.9%. 96.3% no greater than 1 cm while only 10.5% those with high suspicion malignancy. There...

10.1002/hed.26056 article EN Head & Neck 2019-12-24
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