成果/Result
- Schur-convexity, Schur-geometric and Schur-harmonic convexity for a composite function of complete symmetric function被引量：9收藏
- 作者：Shi, Huan-Nan Zhang, Jing Ma, Qing-Hua
- 机构：Beijing Union Univ;Beijing Union Univ;Beijing Union Univ
- 来源：SPRINGERPLUS 2016
- 关键词：Schur-convexity Schur-geometric convexity Schur-harmonic convexity Complete symmetric function
- A GRADIENT METHOD FOR REGULARIZING RETRIEVAL OF AEROSOL PARTICLE SIZE DISTRIBUTION FUNCTION被引量：3收藏
- 作者：Wang, Yanfei Ma, Qinghua
- 机构：Chinese Acad Sci;Beijing Union Univ
- 来源：JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATION 2009
- 关键词：Ill-posed aerosol inverse problems Optimization Regularization
- Iterative implementation of the adaptive regularization yields optimality被引量：2收藏
- 作者：Ma Q. Wang Y.
- 机构：Beijing Union Univ;Chinese Acad Sci;Univ Cent Florida
- 来源：SCIENCE IN CHINA SERIES A-MATHEMATICS 2005
- 关键词：ill-posed problems non-stationary iterated adaptive regularization optimality
- A note on non-existence of cubic semisymmetric graphs of order 8p or 8p(2)被引量：0收藏
- 作者：Li, Yantao Cheng, Huiwen Ma, Qinghua
- 机构：Beijing Union Univ;Beijing Haidian Adults Univ
- 来源：ARS COMBINATORIA 2017
- 关键词：Edge-transitive graph semisymmetric graph vertex-transitive graph
- RECOVERY OF THE LOCAL VOLATILITY FUNCTION USING REGULARIZATION AND A GRADIENT PROJECTION METHOD被引量：0收藏
- 作者：Ma, Qinghua Xu, Zuoliang Wang, Liping
- 机构：Beijing Union Univ;Cent Univ Finance & Econ;Renmin Univ China;Hebei Normal Univ
- 来源：JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATION 2015
- 关键词：Volatility function linearization regularization projective gradient methods
- Calibrating the model parameters in pricing using the trust region method被引量：0收藏
- 作者：Xu, Zuo-liang Ma, Qing-hua Wang, Li-ping
- 机构：Renmin Univ China;Beijing Union Univ;Hebei Normal Univ
- 来源：JOURNAL OF INVERSE AND ILL-POSED PROBLEMS 2016
- 关键词：Trust region method option pricing regularization
- Entropy binomial tree method and calibration for the volatility smile被引量：0收藏
- 作者：Gong, Wenxiu Xu, Zuoliang Ma, Qinghua
- 机构：Renmin Univ China;Beijing Union Univ
- 来源：INVERSE PROBLEMS IN SCIENCE AND ENGINEERING 2020
- 关键词：Entropy binomial tree volatility option pricing calibration nonlinear constrained optimization
- Cubic edge-transitive graphs of order 12p or 12p(2)被引量：0收藏
- 作者：Li, Yan-Tao Cheng, Hui-Wen Ma, Qing-Hua
- 机构：Beijing Union Univ;Beijing Haidian Adults Univ
- 来源：ARS COMBINATORIA 2014
- 关键词：Edge-transitive graphs Symmetric graphs Semisymmetric graphs
