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Professor
Biography
Prof. Chang received a Doctor’s Degree at Stanford University 20022007. He had postdoctoral appointment at SISSA (Scuola Internazionale Superiore di Studi Avanzati) in Italy 20072009. Prof. Chang joined HKUST in July 2009. His works were mainly on problems in algebraic geometry and complex geometry that come from string theory.Research Interests
Algebraic Geometry and String TheoryTeaching
 MATH1013 Calculus IB
Selected Publications
Article

Polynomial structure of GromovWitten potential of quintic 3folds
 Author(s): Chang, Huailiang; Guo, Shuai; Li, Jun
 Source: Annals Of Mathematics, v. 194, (3), November 2021, p. 585645
 Year: 2021

The theory of n –mixedspinp fields
 Author(s): Chang, Huailiang; Guo, Shuai; Li, Jun; Li, Weiping
 Source: Geometry and Topology, v. 25, (2), April 2021, p. 775811
 Year: 2021

Invariants of stable quasimaps with fields
 Author(s): Chang, HuaiLiang +CSE; Li, Mun Lin
 Source: Transactions of The American Mathematical Society, v. 373, (5), May2020, p. 36693691
 Year: 2020

A Vanishing Associated with Irregular MSP Fields
 Author(s): Chang, Huailiang; Li, Jun
 Source: International Mathematics Research Notices, v. 2020, (20), October 2020, p. 73477396
 Year: 2020

Virtual Residue and an Integral Formalism
 Author(s): Chang, Huailiang ; Li, Mulin
 Source: Journal of Geometric Analysis, v. 29, (1), January 2019, p. 83104
 Year: 2019

MixedSpinP fields of Fermat polynomials
 Author(s): Chang, Huailiang ; Li, Jun; Li, Weiping; LiU, Melissa ChiuChu
 Source: Cambridge Journal of Mathematics, v. 7, (3), September 2019, p. 319364
 Year: 2019

GenusOne Gromov–Witten Invariants of Quintic Threefolds via MSP Localization
 Author(s): Chang, HuaiLiang ; Guo, Shuai; Li, Wei Ping ; Zhou, Jie
 Source: International Mathematics Research Notices, 29 August 2018, article number rny201
 Year: 2018

A Survey on Mixed Spin Pfields
 Author(s): Chang, HuaiLiang; Li, Jun; Li, WeiPing; Liu, Chiu Chu Melissa
 Source: Chinese Annals of Mathematics. Series B. , v. 38, (4), 2017, p. 869882
 Year: 2017

Torus Localization and Wall Crossing for Cosection Localized Virtual Cycles
 Author(s): Chang, HuaiLiang; Kiem, Young Hoon; Li, Jun
 Source: Advances in Mathematics. , v. 308, February 2017, p. 964986
 Year: 2017

Witten’s top Chern class via cosection localization
 Author(s): Chang, HuaiLiang; Li, Jun; Li, Wei Ping
 Source: Inventiones Mathematicae. , v. 200, (3), June 2015, p. 10151063
 Year: 2015

An algebraic proof of the hyperplane property of the genus one GWinvariants of quintics
 Author(s): Chang, HuaiLiang; Li, Jun
 Source: Journal of Differential Geometry. , v. 100, (2), June 2015, p. 251299
 Year: 2015

A Vanishing Result for Donaldson Thomas Invariants of P1 Scroll
 Author(s): Chang, HuaiLiang
 Source: Acta Mathematica Sinica, English Series. , v. 30, (12), December 2014, p. 20792084
 Year: 2014

Poincaré invariants are Seiberg–Witten invariants
 Author(s): Chang, HuaiLiang; Kiem, YoungHoon
 Source: Geometry & Topology. , v. 17, (2), 2013, p. 11491163
 Year: 2013

GromovWitten Invariants of Stable Maps with Fields
 Author(s): Chang, HuaiLiang; Li, Jun
 Source: International Mathematics Research Notices. , v. 2012, (18), January 2012, p. 41634217
 Year: 2012

Semiperfect obstruction theory and Donaldson–Thomas invariants of derived objects
 Author(s): Chang, HuaiLiang; Li, Jun
 Source: Communications in Analysis and Geometry. , v. 19, (4), 2011, p. 807830
 Year: 2011

Characterization of maps having the KKM property
 Author(s): Jeng, JyhChung; Huang, YoungYe; Chang, HuaiLiang
 Source: SOOCHOW JOURNAL OF MATHEMATICS. , v. 28, (3), July 2002, p. 329338
 Year: 2002
Conference paper

On the Mathematics and Physics of Mixed Spin Pfields
 Author(s): Chang, HuaiLiang; Li, Jun; Li, WeiPing; Liu, ChiuChu Melissa
 Source: Proceedings of Symposia in Pure Mathematics. , v. 96, 2017, p. 5581
 Year: 2017

MSP fields and Gromov Witten invariants of Quintic Calabi Yau threefold
 Author(s): Chang, Huailiang
 Year: 2015

Landau Ginzburg type theories from algebraic geometry
 Author(s): Chang, HuaiLiang
 Year: 2014

Physics motivation and a fast Introduction to theories of P fields and Spincurves
 Author(s): Chang, HuaiLiang
 Year: 2014

Landau Ginzburg Type Theories from Algebraic Geometry
 Author(s): Chang, HuaiLiang
 Year: 2014

Algebrogeometric approach toward higher genus GW invariants of Quintics
 Author(s): Chang, HuaiLiang
 Year: 2014

On A twisted LandauGinzburg type theory
 Author(s): Chang, HuaiLiang; Li, Jun; Li, Wei Ping
 Source: Scuola Internazionale Superiore di Studi Avanzati(SISSA), Trieste, Italy. , August 2013
 Year: 2013

On algebraic geometric construction of enumerative invariants
 Author(s): Chang, HuaiLiang
 Source: University of Michigan, US. , Feb 2013
 Year: 2013

Witten's top Chern class revisited
 Author(s): Chang, HuaiLiang
 Year: 2013

Introduction to Gromov Witten and Fan Jarvis Ruan Witten Theory (I,II)
 Author(s): Chang, HuaiLiang
 Source: Minicourse in differential geometry, National Center for Theoretical Science, Hsinchu, Taiwan. , July, 2012
 Year: 2012

Introduction to Gromov Witten and FanJarvisRuanWitten theory
 Author(s): Chang, HuaiLiang
 Source: Kavli Institute for the Physics and Mathematics of the Universe, Tokyo University, Tokyo, Japan. , June 2012
 Year: 2012

Algebraic geometric construction of GunSharpeWitten model and FanJarvisRuan Witten theory
 Author(s): Chang, HuaiLiang
 Year: 2012

The conference of Mirror Symmetry and Related Topics (MSRT)
 Author(s): Chang, HuaiLiang
 Year: 2012

On Algebrogeometric proof of LiZinger Conjecture for g=1 GromovWitten invariant of Quintic
 Author(s): Chang, HuaiLiang; Li, Jun
 Source: National Cheng Kung University. , December 2011
 Year: 2011

Algebraic geometry of Atwsited topological string theory of Landau Ginzburg type
 Author(s): Chang, HuaiLiang; Li, Jun
 Source: Peking University. , 27 May 2011
 Year: 2011

Toward Algebraic geometry of Gauged Linear Sigma model in A side
 Author(s): Chang, HuaiLiang
 Source: Taida Institue for Mathematical Sciences, Taiwan. , January 2011
 Year: 2011

Introduction to FanJarvisRuanWitten theory
 Author(s): Chang, HuaiLiang
 Source: Taida Institue for Mathematical Sciences, Taiwan. , January 2011
 Year: 2011

Algebraic geometry of Atwsited Landau Ginzburg theory
 Author(s): Chang, HuaiLiang
 Source: National Seoul University. , January 2011
 Year: 2011

Moduli of stable maps with elds and its applications
 Author(s): Chang, HuaiLiang
 Source: Workshop on Moduli and Birational Geometry, Pohang, Korea. , July 2011
 Year: 2011

On Algebrageometric proof of LiZinger Conjecture for g=1 GromovWitten invariant of Quintic CalabiYau threefold
 Author(s): Chang, HuaiLiang; Li, Jun
 Year: 2011

On DonaldsonThomas invariants of P1 scroll
 Author(s): Chang, HuaiLiang
 Source: YatSen University School of Mathematics and Computational Science, Guangzhou. , July 2010
 Year: 2010

Toward algebraic geometry behind Gauged Linear Sigma model in all genus
 Author(s): Chang, HuaiLiang
 Source: InternationalCongress of Chinese Mathematicans, Peking. , December 2010
 Year: 2010

On genus one Gromov Witten invariant of Quintic threefold
 Author(s): Chang, HuaiLiang
 Source: Hong Kong Math Society Annual General Meeting. , March 2010
 Year: 2010

Donaldson Thomas invariants
 Author(s): Chang, HuaiLiang
 Source: Hong Kong Geometry Colloquium, CUHK. , September 2009
 Year: 2009
Preprint

The theory of NMixedSpinP fields
 Author(s): Chang, Huailiang ; Guo, Shuai; Li, Jun; Liu, Wei Ping Emily
 Source: arXiv, Sep 2018, Article number 1809.08806
 Year: 2018

Polynomial structure of GromovWitten potential of quintic 3folds via NMSP
 Author(s): Chang, Huailiang ; Guo, Shuai; Li, Jun
 Source: arXiv, Sep 2018, Article number 1809.11058
 Year: 2018

Algebraic virtual cycles for quantum singularity theories
 Author(s): Chang, Huailiang ; Young Hoon Kiem; Jun Li
 Source: arXiv, Jun 2018, Article number 1806.00216
 Year: 2018

A vanishing associated with irregular MSP fields
 Author(s): Chang, Huailiang ; Li, Jun
 Source: arXiv, Aug 2017, Article number 1708.02902
 Year: 2017

An Effective Theory of GW and FJRW Invariants of Quintics CalabiYau Manifolds
 Author(s): Chang, Huailiang ; Li, Jun; Li, Weiping; Liu, ChiuChu Melissa
 Source: arXiv, March 2016, Article number 1603.06184
 Year: 2016

MixedSpinP fields of Fermat quintic polynomials
 Author(s): Chang, HuaiLiang; Li, Jun; Li, Wei Ping; Liu, ChiuChi Melissa
 Source: arXiv, Jun 2015, Article number 1505.07532
 Year: 2015

Derived Kodaira Spencer map, Cosection lemma, and semiregularity
 Author(s): Chang, HuaiLiang
 Source: arXiv, Sep 2008, Article number 0808.0988
 Year: 2008
Presentation

An Effective Algorithm for g > 0 GW of Compact CY Threefold
 Author(s): Chang, HuaiLiang
 Source: Mini Workshop on CalabiYau Geometry, National Cheng Kung University, Tainan, Taiwan, 2425 June 2014
 Year: 2014

On Gromov Witten theory and FanJarvisRuanWitten theory
 Author(s): Chang, HuaiLiang
 Source: Miniworkshop on Algebraic Geometry, Department of Mathematics, Sichuan University, China, April 2014
 Year: 2014

Introduction to Enumerative Geometry for Landau Ginzburg Target Space
 Author(s): Chang, HuaiLiang
 Source: The University of Hong Kong, March 2014
 Year: 2014

Reading Seminar on Grothendieck Local Residues
 Author(s): Chang, HuaiLiang
 Source: National Cheng Kung University, January 2014
 Year: 2014

Introduction to FJRW theory
 Author(s): Chang, HuaiLiang
 Source: National Cheng Kung University, January 2014
 Year: 2014