Journal of Lie Theory

no. 4
A Weyl-Type Character Formula for PDC Modules of gl(m|n)
Journal of Lie Theory, Volume 27 (2017) no. 4, pp. 1069-1088
In 1994, Kac and Wakimoto suggested a generalization of Bernstein and Leites' character formula for basic Lie superalgebras, and the natural question was raised: to which simple highest weight modules does it apply? In this paper, we prove a similar formula for a large class of finite-dimensional simple modules over the Lie superalgebra gl(m|n), which we call piecewise disconnected modules, or PDC. The class of PDC modules naturally includes totally connected modules and totally disconnected modules, the two families for which similar character formulas were proven by Su and Zhang as special cases of their general formula. This paper is part of our program for the pursuit of elegant character formulas for Lie superalgebras.
DOI: 10.5802/jolt.983
Classification: 17B10, 05E10
Keywords: Lie superalgebra, highest weight module, Kac-Wakimoto character formula, piecewise disconnected weight 
@article{JOLT_2017_27_4_a9,
     author = {M. Chmutov and C. Hoyt and S. Reif},
     title = {A {Weyl-Type} {Character} {Formula} for {PDC} {Modules} of gl(m|n)},
     journal = {Journal of Lie Theory},
     pages = {1069--1088},
     year = {2017},
     volume = {27},
     number = {4},
     doi = {10.5802/jolt.983},
     zbl = {1430.17020},
     url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.983/}
}
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M. Chmutov; C. Hoyt; S. Reif. A Weyl-Type Character Formula for PDC Modules of gl(m|n). Journal of Lie Theory, Volume 27 (2017) no. 4, pp. 1069-1088. doi: 10.5802/jolt.983

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