1. 陕西省自然科学基础研究计划项目(2022JM-009): 平坦半环生成的簇，2022.1-2023.12，主持；
2. 国家自然科学基金面上项目(11971383): Tropical 矩阵代数的半群和半环理论与2-闭置换群的研究，2020.1-2023.12，参与；
3. 国家自然科学基金青年项目(11701449): AI-半环簇的Burnside问题和Tarski问题，2018.1-2020.12，主持；
4. 陕西省自然科学基础研究计划项目(2017JQ1033): AI-半环簇的Burnside问题和Tarski基底问题，2017.1-2018.12，主持；
5. 国家自然科学基金面上项目(11571278): Tropical矩阵半群和Tropical矩阵群，2016.1-2019.12，参与。
6. 陕西省教育厅专项科研计划项目(16JK1754): AI-半环簇的有限基底问题的研究，2016.6-2017.12，主持；
7. 威廉希尔体育官方网站科学研究基金项目(15NW24): AI-半环簇的研究，2016.1-2017.12，主持。
2.主要成果
1. Marcel Jackson, Miaomiao Ren, Xianzhong Zhao, Nonfinitely basedai-semirings with finitely based semigroup reducts, J. Algebra 611 (2022), 211--245.
2. Weina Deng, Miaomiao Ren, Baomin Yu, Linear preservers for matrices over a class of semirings, Linear Multilinear Algebra. DOI: 10.1080/03081087.2021.1969328
3. Miaomiao Ren, Xianzhong Zhao, Yong Shao, Varieties of Burnside ai-semirings satisfying $x^n\approx x$. Acta Sci. Math. (Szeged) 87 (2021), no. 1--2, 39--61.
4. Xianzhong Zhao, Miaomiao Ren, Sini\v{s}a Crvenkovi\'{c}, Yong Shao, Petar Dapi\'{c},The variety generated by an AI-semiring of order three. Ural Math. J. 6 (2020), no. 2, 117--132.
5. Miaomiao Ren, Xianzhong Zhao, Yong Shao,The lattice of ai-semiring varieties satisfying $x^n\approx x$ and $xy\approx yx$. Semigroup Forum 100 (2020), no. 2, 542--567.
6. Miaomiao Ren, Lingli Zeng, On a hereditarily fnitely based ai-semiring variety. Soft Comput. 23, (2019), 6819--6825.
7. Miaomiao Ren, Xianzhong Zhao, Aifa Wang, On the varieties of ai-semirings satisfying $x^3\approx x$. Algebra Universalis 77 (2017), no. 4, 395--408.
8. Miaomiao Ren, Xianzhong Zhao, Yong Shao, On a variety of Burnside ai-semirings satisfying $x^n\approx x$. Semigroup Forum 93 (2016), no. 3, 501--515.
9. Yong Shao, Miaomiao Ren, On semilattices of rectangular bands and groups. Semigroup Forum 93 (2016), no. 1, 201--204.
10. Miaomiao Ren, Xianzhong Zhao, The varieties of semilattice-ordered semigroups satisfying $x^3\approx x$ and $xy\approx yx$. Period. Math. Hungar. 72 (2016), no. 2, 158--170.
11. Aiping Gan, Xianzhong Zhao, Miaomiao Ren, Global determinism of semigroups having regular globals. Period. Math. Hungar. 72 (2016), no. 1, 12--22.
12. Yong Shao, Miaomiao Ren, On the varieties generated by ai-semirings of order two. Semigroup Forum 91 (2015), no. 1, 171--184.
13. Miaomiao Ren, Xianzhong Zhao, On free Burnside ai-semirings. Semigroup Forum 90 (2015), no. 1, 174--183.
3.获奖情况
1. 陕西省自然科学奖二等奖，2019年。
2. 陕西省数学会优秀论文一等奖，2018年。
3. 《纯粹数学与应用数学》楠竹奖励计划优秀论文奖三等奖，2021。
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