基本情况
1982年1月毕业于陕西师范大学数学系，并留校任教，1987年12月在陕西师范大学数学系获理学硕士学位，1992年12月晋升为副教授，2000年晋升为教授，2000年3月至2003年3月在西安交通大学理学院，师从中国科学院院士徐宗本教授攻读应用数学博士学位,并获理学博士学位，2013年11月-2014年1月，在澳大利亚拉筹伯大学访问。主要从事算子论与算子代数、小波分析、量子信息与量子计算等方面的学术研究。中国数学会会员、中国工业与应用数学会员、国际量子结构学会（IQSA）会员，陕西省教学名师，省级教学团队与精品课程主持人。

代表性学术论文
[1] H. X. Cao, von Neumann measurement-related matrices, Sci. China-Phys. Mech. Astron. 2017, 60(2): 020332.
[2] J. Li, H.X. Cao, A new generalization of von Neumann relative entropy, Int. J. Theor. Phys., 2017, 56(11), 3405–3424.
[3] Yongfeng Huang, Ying Yang, A note on markovian quantum dynamics，ANZIAM J. 2017，58(3-4)：436-445.
[4] Meng Hui-xian, Cao Huai-xin, Wang Wen-hua, Ya-jing Fan, Liang Chen, Quantifying contextuality of empirical models in terms of trace-distance, Int. J. Theor. Phys., 2017, 56(6): 1807-1830.
[5] Qian Feng, Zhihua Guo, Huai-Xin Cao, Witness for non-quasi maximally entangled states, Int. J. Theor. Phys., 2016, 55(12): 5202-5215.
[6] Huixian Meng,Huaixin Cao, Wenhua Wang,Yajing Fanand Liang Chen, Generalized robustness of contextuality, Entropy, 2016, 18(9): 297 (19pp)
[7] Yajing Fan, Huaixin Cao, Quantifying correlations via the Wigner-Yanase-Dyson skew information, Int J Theor Phys, 2016, 55:3833-3858.
[8] Yajing Fan, Huaixin Cao, Huixian Meng, Liang Chen, An uncertainty relation in terms of generalized metric adjusted skew information and correlation measure, Quantum Inf. Process., 2016, 15: 5089-5106.
[9] Zhihua Guo, Huaixin Cao and Shixian Qu, Robustness of quantum correlations against linear noise, J. Phys. A: Math. Theor., 2016, 49: 195301 (22pp).
[10] H. X. Meng, H. X. Cao, W. H. Wang, L. Chen, and Y. J. Fan, Continuity of the robustness of contextuality of empirical models,Sci. China-Phys. Mech. Astron.，2016，59(10)：100311. 5
[11] H. X. Meng, H. X. Cao and W. H. Wang, The robustness of contextuality and the contextuality cost of empirical models, Sci. China-Phys. Mech. Astron., 2016, 59(4): 640303.
[12] Ya-Jing Fan, Huai-Xin Cao, Monotonicity of the unified quantum (r,s)-entropy and (r,s)-mutual information, Quantum Inf. Process., 2015, 14(12): 4537-4555.
[13] Liang Chen, Huai-Xin Cao, Hui-Xian Meng, Generalized duality quantum computers acting on mixed states, Quantum Inf. Process., 2015, 14(11): 4351-4360.
[14] Qian Li, Huaixin Cao, Hongke Du, A generalization of Schr?dinger’s uncertainty relation described by the Wigner-Yanase skew information,Quantum Inf. Process., 2015, 14(4): 1513-1522.
[15] Huai-Xin Cao, Zheng-Li Chen, Li Li, Bao-Min Yu, An applicable approximation method and its application，Acta Math. Scientia 2015, 35B(5): 1189-1202.
[16] Zhihua Guo, Huaixin Cao, Shixian Qu, Structures of three types of local quantum channels based on quantum correlations, Found. Phys., 2015, 45: 355-369.
[17] ZhiHua Guo, HuaiXin Cao, ShiXian Qu，Existence and construction of simultaneous cloning machines for mixed states，Sci. China-Phys., Mech.& Astron., 2015, 58(4): 040302(1-5).
[18] Wenhua Wang, Huaixin Cao, Ling Lu, Baomin Yu, An upper bound for the generalized adiabatic approximation error with a superposition initial state, Sci. China -Phys., Mech.& Astron., 2015, 58(3): 030001.
[19] 吴国昌,曹怀信,鲁大勇，波包Parseval框架的刻画及应用，数学学报，2015，58(1): 91-102.
[20] Huaixin Cao, Dianhui Wang, Feilong Cao，An adiabatic quantum algorithm and its application to DNA motif model discovery, Information Sciences，2015，296: 275-281.
[21] Huaixin Cao, Feilong Cao, Dianhui Wang, Quantum artificial neural networks with applications, Information Sciences, 2015, 290: 1-6.
[22] Guo Z. H., Cao H. X., Qu S. X., Partial correlations in a multipartite quantum system, Information Sciences, 2014, 289: 262-272.
[23] 杨莹,曹怀信,李静,两类可观测量的Bell不等式,数学学报, 2014, 57(3): 473-484.
[24] Huaixin Cao, Juncheng Yin, Zhihua Guo, Zhengli Chen, Local Lipschitz-α mappings and applications to sublinear expectations, Acta Math. Sinica, English Series, 2014，30(5)：844-860.
[25] Wu Guochang(博士后), Li Dengfeng, Huaixin Cao, Necessary conditions and sufficient conditions of the wave packet frames in L2(Rn), Bull. Malays. Math. Sci. Soc. (2) 37(4) (2014), 1123-1136.
[26] Guo Zhihua,Cao Huaixin, Lu Ling, Adiabatic approximation inPT-symmetric quantum mechanics, Sci China-Phys Mech Astron, 2014, 57(10): 1835-1839.
[27] Yu BaoMin(访问****), Cao HuaiXin, Guo ZhiHua, Wang WenHua, Computable upper bounds for the adiabatic approximation errors, Sci China-Phys Mech Astron, 2014, 57(11): 2031-2038.
[28] Wang WenHua(博士生), Guo ZhiHua，Cao HuaiXin, An upper bound for the adiabatic approximation error，Sci China-Phys Mech Astron, 2014，57(2): 218-224.
[29] Wang WenHua, Cao HuaiXin, Guo ZhiHua, et al., Separability of solutions to a Schrodinger equation, Commun. Theor. Phys. 2014, 62 (2): 205-209.
[30] 曹怀信,郭志华,陈峥立,张坤利,效应代数的表示理论,中国科学A,2013, 43(8): 835-846.
[31] Wu Guochang(博士后), Huaixin Cao,Some characterizations of the wave packet frames in higher dimensions,Applied Mech. Mater., 2013, 427-429: 1528-1531.
[32] Huai-Xin Cao, Zhi-Hua Guo, Zheng-Li Chen,CPT-Frames for non-Hermitian Hamiltonians, Commun. Theor. Phys. 2013, 60: 328–334.ISSN:253-6102.
[33] 张坤利,曹怀信,郭志华,效应代数上态的存在性,数学学报, 2013, 56(3): 301-310.
[34] Wen-Hua Wang(博士生), Huai-Xin Cao, An improved multiparty quantum secret sharing with Bell states and Bell measurement, Int. J. Theor. Phys., 2013, 52: 2099-2111.
[35] Huai-Xin Cao, Zhi-Hua Guo, Zheng-Li Chen, Wen-Hua Wang, Quantitative sufficient conditions for adiabatic approximation, Sci China-Phys Mech Astron, 2013, 56(7): 1401-1407.
[36] Huaixin Cao, Guilu Long, Zhihua Guo, Zhengli Chen, Mathematical theory of generalized duality quantum computers acting on vector-states, Int. J. Theor. Phys., 2013, 52: 1751-1767.
[37] Zhihua Guo(博士生) and Huaixin Cao,Local quantum channels preserving classical correlations, J. Phys. A: Math. Theor., 2013, 46: 065303 (11pp).
[38] Zhihua Guo(博士生), Huaixin Cao, A classification of correlations of tripartite mixed states, Int. J. Theor. Phys.,2013, 52:1768–1779.
[39] H. X. Cao, Z. L. Chen, Z. H. Guo, F. G. Ren, Complex duality quantum computers acting on pure and mixed states, Sci China-Phys Mech Astron, 2012, 55(12): 2452-2462.
[40] Zhihua Guo(博士生), Huaixin Cao, Zhengli Chen, Distinguishing classical correlations from quantum correlations, J. Phys. A: Math. Theor. 2012, 45: 145301 (15pp).
[41] Zhihua Guo(博士生), Huaixin Cao, Existence and construction of a quantum channel with given inputs and outputs, Chinese Sci Bull., 2012, 57(33):4346-4350.
[42] Guo Z H, Cao H X, Chen Z L, Yin Jun-Cheng, Operational properties and matrix representations of quantum measures, Chinese Sci Bull, 2011, 56(16): 1671-1678.
[43] Zhi Hua Guo, Huai Xin Cao, Jun Cheng Yin, Stability of (p,Y)-operator frames，J. Math. Res. Exp., 2011, 31(3): 535-544.
[44] Zhang Y., Cao H. X., Li L., Realization of allowable generalized quantum gates, Sci China-Phys Mech Astron, 2010, 53(10): 1878-1883.
[45] Cao H. X.,Li L., Chen Z. L., Zhang Y. and Guo Z. H., Restricted allowable generalized quantum gates, Chinese Science Bulletin, 2010, 55(20): 2122-2125.
[46] Lu Xu, Huai-Xin Cao, Wen-Ting Zheng and Zhen-Xia Gao, Super-stability and stability of the exponential equations, J. of Math. Inequalities, 2010, 4(1): 37-44.
[47] 孔亮,曹怀信,ε-近似保正交映射的稳定性与扰动,数学学报, 2010, 53(1): 61-66.
[48] 张邺,曹怀信, Hilbert空间中有效序列的刻画与扰动,数学学报, 2010, 53(2): 209-218.

出版教材专著
曹怀信，张建华，陈峥立，郭志华,《实变函数与泛函分析》，科学出版社，2017.08（普通高等教育“十三五”规划教材）
曹怀信，郭志华，《小波分析基础》,科学出版社，2016.04
曹怀信(主编)，张建华，陈峥立，任芳，《An Introduction to Complex Analysis》，陕西师范大学出版总社有限公司，2006（一版），2013（二版）；
曹怀信(总主编)，高俊勇(主编)，《高等数学》(上、下册)，吉林大学出版社，2009.
教育科研项目
国家自然科学基金资助项目：基于量子信息论的算子论与算子代数研究(**, 2006.01-2008.12), 主持人;
陕西省科技计划项目：量子信息理论中的算子结构(2009JM1011, 2010.1-2011.12),主持人;
国家自然科学基金资助项目：量子态分类与量子绝热逼近中的算子论方法(No. **, 2014.01-2017.12.30),主持人.
教育科研奖励
泛函分析中若干问题的研究，2012年3月获陕西省科学技术奖(三等),完成人：曹怀信、张建华、杜鸿科、吴保卫、吉国兴、陈清江、陈峥立；
基于算子理论的量子信息理论研究，2017年3月获陕西高等学校科学技术奖(二等)，完成人：曹怀信、郭志华、陈峥立、王文华、张邺；
2016年6月第十届陕西省高等学校教学名师奖；
2016年被评为陕西省师德先进个人；
2016年被评为陕西师范大学教学名师；
2016年获2015年度中国国际文化交流中心和中国国际文化交流基金会“明德教师奖”;
2015年获陕西省人民政府教学成果奖（二等，第四人）;
2010年获宝钢教育基金会优秀教师奖;
2009年被评为陕西高等学校优秀共产党员。
讲授课程
本科生课程：复变函数论、实变函数论、数学分析;
研究生课程：现代分析、泛函分析、量子信息


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