TY - Acta mathematica scientia,Series B A1 - Yunfeng JIANG T1 - MOTIVIC VIRTUAL SIGNED EULER CHARACTERISTICS AND THEIR APPLICATIONS TO VAFA-WITTEN INVARIANTS Y1 - 2022-12-25 JF - Acta mathematica scientia, Series B JO - Acta mathematica scientia,Series B SP - 2279 EP - 2300 VL - 42 IS - 6 UR - http://121.43.60.238/sxwlxbB N1 - 10.1007/s10473-022-0605-y ER -