[1]Hechun Zhang, A class of representations of the Virasoro, Algebra. J. Alg. vol. 190,1-10, 1997.
[2]H.P. Jakobsen, Hechun Zhang, The center of the quantized matrix, alegbra. J. Alg,196,458-474, 1997. [3]Yucai Su, Xiaoping Xu, Hechun Zhang, Derivation-Simple algebras, and the structures of Generaliized Lie algebras of Witt type. J. Alg. Vol. 233, No. 2, 642-662, 2000.
[4]G. Lehrer, Hechun Zhang, Ruibin Zhang, A quantum analogue of the first fundamental,theorem of classical invariant theory. Comm. Math. Phys. 301, (2011), no. 1, 131–174.
[5]Li, Bin; Zhang, Hechun Canonical bases and quantum coordinate algebras. J. Algebra 414 (2014), 241–263. [6]Lehrer, Gustav I.; Zhang, Hechun; Zhang, Ruibin First fundamental theorems of invariant theory for quantum supergroups. Eur. J. Math. 6 (2020), no. 3, 928–976.
