Jeffrey Zhang
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About
Titles
Postdoctoral Fellow in Biomedical Informatics and Data Science
Appointments
Biomedical Informatics & Data Science
Postdoctoral FellowPrimary
Other Departments & Organizations
Education & Training
- PhD
- Princeton University, Operations Research and Financial Engineering (2020)
- BA
- Yale University, Computer Science, Economics & Mathematics (2014)
Research
Research at a Glance
Yale Co-Authors
Frequent collaborators of Jeffrey Zhang's published research.
Publications Timeline
A big-picture view of Jeffrey Zhang's research output by year.
Heping Zhang, PhD
5Publications
26Citations
Publications
2022
On the complexity of finding a local minimizer of a quadratic function over a polytope
Ahmadi AA, Zhang J. On the complexity of finding a local minimizer of a quadratic function over a polytope. Mathematical Programming. 2022 Sep;195(1-2):783-92.Peer-Reviewed Original ResearchComplexity aspects of local minima and related notions
Ahmadi AA, Zhang J. Complexity aspects of local minima and related notions. Advances in Mathematics. 2022 Mar 5;397:108119.Peer-Reviewed Original Research
2021
Semidefinite programming and Nash equilibria in bimatrix games
Ahmadi AA, Zhang J. Semidefinite programming and Nash equilibria in bimatrix games. INFORMS Journal on Computing. 2021 May;33(2):607-28.Peer-Reviewed Original Research
2020
On the complexity of testing attainment of the optimal value in nonlinear optimization
Ahmadi AA, Zhang J. On the complexity of testing attainment of the optimal value in nonlinear optimization. Mathematical Programming. 2020 Nov;184(1-2):221-41.Peer-Reviewed Original Research
2010
Decision trees for identifying predictors of treatment effectiveness in clinical trials and its application to ovulation in a study of women with polycystic ovary syndrome
Zhang H, Legro RS, Zhang J, Zhang L, Chen X, Huang H, Casson PR, Schlaff WD, Diamond MP, Krawetz SA, Coutifaris C, Brzyski RG, Christman GM, Santoro N, Eisenberg E. Decision trees for identifying predictors of treatment effectiveness in clinical trials and its application to ovulation in a study of women with polycystic ovary syndrome. Human Reproduction 2010, 25: 2612-2621. PMID: 20716558, PMCID: PMC2939757, DOI: 10.1093/humrep/deq210.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsMeSH KeywordsAge FactorsAndrogensAnovulationBody Mass IndexClomipheneDecision TreesDrug Therapy, CombinationFemaleFertility Agents, FemaleHumansInfertility, FemaleMetforminOrgan SizeOvulation InductionPolycystic Ovary SyndromePregnancyProinsulinRandomized Controlled Trials as TopicSex Hormone-Binding GlobulinTreatment OutcomeWaist-Hip RatioConceptsPolycystic ovary syndromeCombination of CCClomiphene citrateClinical trialsOvarian volumeOvary syndromeOvulation inductionHigher sex hormone-binding globulin levelsSex hormone-binding globulin levelsHormone-binding globulin levelsTreatment effectivenessHigher baseline insulinHip circumference ratioIncidence of ovulationBaseline physical characteristicsBaseline laboratoryOvulatory rateClinical parametersHigher waistBaseline variablesPredictive biomarkersGlobulin levelsCircumference ratioOvulatory responseTreatment outcomes
Academic Achievements and Community Involvement
activity On Local Minima of Cubic Polynomials
LectureDrexel Analysis SeminarDetails05/05/2023 - 05/05/2023Philadelphia, PA, United Statesactivity An Unregularized Third Order Newton Method
Oral PresentationINFORMS Annual MeetingDetails10/16/2022 - 10/19/2022Indianapolis, IN, United Statesactivity An Unregularized Third Order Newton Method
Oral PresentationInternational Conference on Continuous OptimizationDetails07/25/2022 - 07/28/2022Bethlehem, PA, United Statesactivity On Local Minima in Polynomial Optimization
LectureCommittee on Compuational and Applied Mathematics ColloquiumDetails03/10/2022 - 03/10/2022Chicago, IL, United Statesactivity On Local Minima in Polynomial Optimization
LectureTepper Business School Operations Research SeminarDetails12/10/2021 - 12/10/2021Pittsburgh, PA, United States