TY - Acta mathematica scientia,Series A A1 - Yuying Zhao,Yuzhen Wen T1 - Optimal Investment and Proportional Reinsurance Strategies to Minimize the Probability of Drawdown Under Ambiguity Aversion Y1 - 2021-08-26 JF - Acta mathematica scientia, Series A JO - Acta mathematica scientia,Series A SP - 1147 EP - 1165 VL - 41 IS - 4 UR - http://121.43.60.238/sxwlxbA N1 - ER -