个人简历

2016年1月-2018年12月，最小化加权完工时间和的在线排序研究项目，国家自然科学基金项目，主持，18万，已结题；
2017年1月-2018年12月，云计算中的绿色时变在线排序研究，河南省科技厅基金，主持，3万，已结题。
另外参与国家自然科学基金5项。

研究领域

运筹学，管理优化，算法设计""

近期论文

[1]Ran Ma, Jinjiang Yuan*, Online tradeoff scheduling on a single machine to minimize makespan and total weighted completion time, International Journal of Production Economics, 2014, 158: 114-119.( SCI一区)
[2]Ran Ma, Long Wan, Lijun Wei, Jinjiang Yuan*, Online bounded-batch scheduling to minimize total weighted completion time on parallel machines, International Journal of Production Economics, 2014, 156: 31-38.( SCI一区)
[3]Ran Ma, Jiping Tao, Jinjiang Yuan*, Online scheduling with linear deteriorating jobs to minimize the total weighted completion time. Applied Mathematics and Computation, 2016, 273:570-583. ( SCI一区)
[4]Ran Ma, Jinjiang Yuan*, Online scheduling to minimize the total weighted completion time plus the rejection cost. Journal of Combinatorial Optimization. 2017, 34( 2) : 483-503 (SCI三区)
[5]Ran Ma, Jiping Tao*, An improved 2.11-competitive algorithm for online scheduling on parallel machines to minimize total weighted completion time. Journal of Industrial and Management Optimization. 2018,14(2):497-510（SCI三区）
[6]Ran Ma, Jinjiang Yuan*, Online scheduling on a single machine with rejection under an agreeable condition to minimize the total completion time plus the total rejection cost, Information Processing Letters, 2013, 113(17): 593-598.(SCI四区)
[7]Long Wan, Ran Ma, Jinjiang Yuan, Primary-secondary bicriteria scheduling on identical machines to minimize the total completion time of all jobs and the maximum T-time of all machines, Theoretical Computer Science, 2014, 518: 117-123.
[10]徐娟年，马冉*，赵中睿，程灏，山东省新型冠状病毒肺炎疫情流行趋势初步预测，2020年第37卷第2期：101-106.
[11]张路，马冉*，韩雯雯，徐娟年，程灏，哈尔滨市新型冠状病毒肺炎疫情分析与复工建议，2020年第37卷第2期：107-111.
[12] Ran Ma*, Sainan Guo, Cuixia Miao. Semi-online scheduling with rejection on parallel machines, Applied Mathematics and Computation. 2020. Accepted. ( SCI一区)