Jiafeng Lü

ORCID: 0000-0002-2637-142X
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About
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Research Areas
  • Advanced Topics in Algebra
  • Algebraic structures and combinatorial models
  • Homotopy and Cohomology in Algebraic Topology
  • Nonlinear Waves and Solitons
  • Commutative Algebra and Its Applications
  • Rings, Modules, and Algebras
  • Advanced Algebra and Geometry
  • Advanced Operator Algebra Research
  • Finite Group Theory Research
  • Fire Detection and Safety Systems
  • Face recognition and analysis
  • Advanced Combinatorial Mathematics
  • Advanced Algebra and Logic
  • Advanced Image and Video Retrieval Techniques
  • Video Surveillance and Tracking Methods
  • Advanced Neural Network Applications
  • Sphingolipid Metabolism and Signaling
  • Domain Adaptation and Few-Shot Learning
  • Advanced Multi-Objective Optimization Algorithms
  • AI in cancer detection
  • Matrix Theory and Algorithms
  • Metaheuristic Optimization Algorithms Research
  • Traffic and Road Safety
  • Fuzzy and Soft Set Theory
  • Sleep and Work-Related Fatigue

Zhejiang Normal University
2014-2025

Hainan University
2022

Changchun University of Science and Technology
2021

Duke University
2021

Zhejiang University of Technology
2021

University of Southern California
2014

University of Washington
2014

Zhejiang University
2007

Nakayama automorphism is used to study group actions and Hopf algebra on Artin-Schelter regular algebras of global dimension three.

10.1090/tran/6718 article EN Transactions of the American Mathematical Society 2016-01-06

10.1016/j.jalgebra.2014.12.010 article EN publisher-specific-oa Journal of Algebra 2015-01-07

10.1007/s11425-007-0136-y article EN Science in China Series A Mathematics 2007-12-01

We prove that the universal enveloping algebra of a Poisson-Ore extension is length two iterated Ore original algebra. As consequence, we observe certain ring-theoretic invariants algebras are preserved under extensions. apply our results to quadratic Poisson arising from semiclassical limits quantized coordinate rings and family graded structures rank at most two.

10.1090/s0002-9939-2015-12631-7 article EN publisher-specific-oa Proceedings of the American Mathematical Society 2015-03-31

It is proved that the Poisson enveloping algebra of a double Poisson-Ore extension an iterated Ore extension. As application, properties are preserved under extensions invariants

10.1080/00927872.2018.1459643 article EN Communications in Algebra 2018-04-23

10.1007/s13226-010-0027-8 article EN Indian Journal of Pure and Applied Mathematics 2010-06-01

10.1007/s11401-010-0592-5 article EN Chinese Annals of Mathematics Series B 2010-06-21

10.1007/s10485-010-9224-1 article EN Applied Categorical Structures 2010-03-01

The main purpose of this paper is to study a concrete example $\delta$-Koszul algebras, which related three questions raised by Green and Marcos.

10.1090/s0002-9939-10-10292-5 article EN Proceedings of the American Mathematical Society 2010-07-23

10.1134/s0001434609110091 article EN Mathematical Notes 2009-12-01

10.1007/s11856-017-1495-x article EN Israel Journal of Mathematics 2017-04-01

10.1007/s10468-010-9241-7 article EN Algebras and Representation Theory 2010-11-10

In this paper, the so-called differential graded (DG for short) Poisson Hopf algebra is introduced, which can be considered as a natural extension of algebras in setting. The structures on universal enveloping are discussed.

10.1080/00927872.2017.1408811 article EN Communications in Algebra 2018-01-17

For a Poisson algebra A, by studying its universal enveloping Ape, we prove duality theorem between homology and cohomology of A.

10.1080/00927872.2020.1758124 article EN Communications in Algebra 2020-05-04

In this paper, the criteria for minimal Horseshoe Lemma to be true are given via quasi-$δ$-Koszul modules, which nongraded version of $δ$-Koszul modules first introduced by Green and Marcos in 2005. Moreover, some applications also given.

10.48550/arxiv.1109.3771 preprint EN other-oa arXiv (Cornell University) 2011-01-01

Certain sufficient homological and ring-theoretical conditions are given for a Hopf algebra to have bijective antipode with applications noetherian algebras regarding their behaviors.

10.1090/proc/14140 article EN Proceedings of the American Mathematical Society 2018-07-05

The notion of good exact sequence is introduced, which a special class sequences including split as examples. Several criteria characterizing are given. In particular, we prove that the ξ: 0 → K M N if and only Horseshoe Lemma true in "minimal version" with respect to ξ. We also give lot nontrivial examples via "Koszul" objects. Moreover, some applications provided end.

10.1142/s021949881100504x article EN Journal of Algebra and Its Applications 2011-04-12

Let A be a Koszul algebra and M finitely generated graded A-module. Suppose that is in degree 0 has pure resolution. We prove that, if rℰ(M) ≠ then Koszul; addition not projective, the converse true as well, where r denotes Jacobson radical of Yoneda [Formula: see text] A, Ext module M.

10.1142/s0219498813501594 article EN Journal of Algebra and Its Applications 2013-11-11
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