宋立新教授现为大连理工大学应用数学系博士生导师，研究方向为统计学方向及金融数学与保险精算方向。

主要学历及工作经历:
1985.9－1989.2 吉林大学数学系，本科
1989.2－1990.9 吉林大学数学所，硕士
1990.9－1993.7 中国科学院系统科学研究所，博士
1993.7－1996.5 吉林大学数学系，讲师、博士后
1996.5－2000.1 吉林大学数学系，副教授
2000.1－2004.1 吉林大学数学系，教授、博士生导师
2004.1－　　　大连理工大学应用数学系，教授、博士生导师

主要学术及社会兼职:
中国数学会概率统计研究会理事
中国现场统计学会理事
《东北数学》编委

研究领域（研究课题）:
①非参数统计
②统计判决理论
③时间序列的统计分析
④金融数学中的统计推断
⑤风险分析与费率厘定

指导硕、博士生研究方向:
①非参数统计
②统计判决理论
③时间序列的统计分析
④金融数学中的统计推断
⑤风险分析与费率厘定

出版著作和论文:
1)Zhang, Meng; Song, Li Xin; Wang, De Hui Strong consistency of the least squares estimator for a partly linear model. (Chinese) J. Jilin Univ. Sci. 42 (2004), no. 3, 327--332.
2)Wang, Dehui; Song, Lixin; Shi, Ningzhong Estimation and test for the parameters of　AR(p)-ARCH(q) under ordered restriction.　Northeast.Math.J.,　2004,　No. 4.
3)Wang, Zhong Qiang; Wang, De Hui; Song, Li Xin Estimation of scale parameter of the normal distribution under a symmetric loss function. (Chinese) Acta Math. Appl. Sin. 27 (2004), no. 2, 310--323.
4)Wang, Dehui; Song, Lixin; Shi, Ningzhong Estimation and testing for the parameters of ARCH under ordered restriction. J. Time Ser. Anal. 25 (2004), no. 4, 483--499.
5)Huang, Xiao Wei; Wang, De Hui; Song, Li Xin Estimation of the noise density function in the multivariate ARCH(q) model. (Chinese) J. Jilin Univ. Sci. 42 (2004), no. 2, 151--157.
6)Huang, Xiaowei; Song, Lixin; Liang, Yanchun Semiparametric credibility ratemaking using a piecewise linear prior. Insurance Math. Econom. 33 (2003), no. 3, 585--593.
7)Lai, Min; Zhao, Shi Shun; Song, Li Xin The equivalence property of return-risk models. (Chinese) J. Jilin Univ. Sci. 41 (2003), no. 4, 454--457.
8)Wang, De Hui; Song, Li Xin; Zhong, Shi Ning Estimation and test of the ARCH(0,2) model under order restriction. (Chinese) Chinese J. Appl. Probab. Statist. 18 (2002), no. 3, 244-254.
9)Xue, Hongqi; Song, Lixin Asymptotic properties of MLE for Weibull distribution with grouped data. J. Syst. Sci. Complex. 15 (2002), no. 2, 176--186.
10)Zhang, Xiao Ran; Wang, De Hui; Song, Li Xin Stochastic comparisons of random variables. (Chinese) J. Jilin Univ. Sci. 40 (2002), no. 1, 1--9.
11)Zhao, Shi Shun; Wang, De Hui; Song, Li Xin Estimation of two sample exponential distributions under cone restriction. (Chinese) Acta Sci. Natur. Univ. Jilin. 2001, no. 3, 1--6.
12)Xue, Hong Qi; Song, Li Xin Asymptotic efficiency of maximum likelihood estimation with grouped data. (Chinese) J. Systems Sci. Math. Sci. 21 (2001), no. 2, 250--256.
13)Xue, Hong Qi; Song, Li Xin; Li, Guo Ying Sieve MLE for a partly linear model with type-one interval censoring. (Chinese) Acta Math. Appl. Sinica 24 (2001), no. 1, 139--151.
14)Wang, De Hui; Lai, Min; Song, Li Xin Estimation for the reciprocal of Poisson mean under entropy loss. (Chinese) Acta Sci. Natur. Univ. Jilin. 2000, no. 4, 17--22.
15)Zhang, Xiao Ran; Zhao, Shi Shun; Ma, Dong Hui; Song, Li Xin Stochastic comparisons for Rayleigh distributions. (Chinese) Acta Sci. Natur. Univ. Jilin. 2000, no. 1, 1--4.
16)Song, Li Xin; Xue, Hong Qi Asymptotic properties of a kind of sieve MLE. (Chinese) Acta Math. Sci. Ser. A Chin. Ed. 20 (2000), no. 3, 370--377.
17)Huang, Yan Jun; Lai, Min; Song, Li Xin Grouped type-II censoring estimators of powers of the scale parameters of an exponential distribution under Pitman's measure of closeness. (Chinese) J. Systems Sci. Math. Sci. 20 (2000), no. 1, 24--30.
18)Wang, De Hui; Song, Li Xin The Bayes estimation of exponential distribution under entropy loss based on fixed time censoring data. (Chinese) Dongbei Shida Xuebao 1999, no. 2, 103--107.
19)Song, Lixin A counterexample in the central limit theorem. Bull. London Math. Soc. 31 (1999), no. 2, 222--230.
20)Song, Li Xin On the relationship between limit distribution class of random projection pursuit empirical distributions and some important distribution classes. (Chinese) Chinese J. Appl. Probab. Statist. 14 (1998), no. 1, 5--8.
21)Song, Li Xin; Wang, De Hui; Cui, An Ling; Liu, Li Xin Invariance of estimators of scale parameters and essential completeness of the class of estimators of scale parameters under an entropy loss function. (Chinese) Acta Sci. Natur. Univ. Jilin. 1998, no. 1, 5--8.
22) Huang, Yan Jun; Song, Li Xin; Cui, Shang Wei Estimation of powers of the scale parameter of an exponential distribution based on type II censoring under Pitman's measure. (Chinese) Acta Sci. Natur. Univ. Jilin. 1998, no. 1, 9--13.
23)Zhao, Shi Shun; Song, Li Xin; Gao, Qiu Yang Bayes estimation of two ordered parameters. (Chinese) Acta Sci. Natur. Univ. Jilin. 1998, no. 1, 19--23.
24)Song, Li Xin $M$-estimates of PP-clustering. (Chinese) Acta Math. Appl. Sinica 20 (1997), no. 3, 442--447.
25)Wang, De Hui; Song, Li Xin A test for equality of the probability distributions of two populations with nominal scales. (Chinese) Acta Sci. Natur. Univ. Jilin. 1997, no. 3, 14--16.
26)Song, Li Xin Consistency of improved least squares estimation for projection pursuit regression. (Chinese) J. Systems Sci. Math. Sci. 17 (1997), no. 1, 84--91.
27)Song, Li Xin; Cheng, Ping Mean square convergence of the projection pursuit regression approximation. (Chinese) Chinese J. Appl. Probab. Statist. 12 (1996), no. 2, 113--115.
28)Song, Lixing; Lu, Sujuan On projection pursuit type density estimation. Northeast. Math. J. 12 (1996), no. 4, 489--497.
29)Song, Li Xin Limit distributions of empirical distributions of projection pursuit. (Chinese) Chinese J. Appl. Probab. Statist. 11 (1995), no. 4, 407--412.
30)Song, Li Xin PP $k$-mean clustering under least deviation. (Chinese) Acta Sci. Natur. Univ. Jilin. 1995, no. 2, 17--20.
31)Song, Li Xin; Cui, Jing Quan Estimation of a class of special PP regression models. (Chinese) Acta Sci. Natur. Univ. Jilin. 1995, no. 4, 5--13.
32)Song, Lixin Estimation of regression coefficient in general regression model. Northeast. Math. J. 11 (1995), no. 3, 315--318.