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New Construction of Generalized Bent Functions  

김성환 (서울대학교 전기컴퓨터공학부 부호및암호연구실)
길강미 (서울대학교 전기컴퓨터공학부 부호및암호연구실)
김경희 (서울대학교 전기컴퓨터공학부 부호및암호연구실)
노종선 (서울대학교 전기컴퓨터공학부 부호및암호연구실)
Abstract
In this paper, for n=2m and odd prime p, new generalized bent functions from the finite field $F_{p^n}$ to the prime field $F_p$ are constructed from the partial spreads for $F_{p^n}$. Closed form expressions for the proposed generalized bent functions and their trace transform are derived in the form of the trace functions.
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