Abstract
By investigating the action of linear irreducible characters of a finite group on the product of all the irreducible characters and on a sum of certain irreducible characters, some results on vanishing elements of finite groups are obtained.
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Chen, G. Finite groups and elements where characters vanish. Arch. Math. 94, 419–422 (2010). https://doi.org/10.1007/s00013-010-0121-5
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DOI: https://doi.org/10.1007/s00013-010-0121-5