title   
  

On the dual of (non)-weakly regular bent functions and self-dual bent functions

Ceşmelioğlu, Ayça and Meidl, Wilfried and Pott, Alexander (2013) On the dual of (non)-weakly regular bent functions and self-dual bent functions. Advances in Mathematics of Communications, 7 (4). pp. 425-440. ISSN 1930-5346 (Print) 1930-5338 (Online)

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Official URL: http://dx.doi.org/10.3934/amc.2013.7.425

Abstract

For weakly regular bent functions in odd characteristic the dual function is also bent. We analyse a recently introduced construction of nonweakly regular bent functions and show conditions under which their dual is bent as well. This leads to the denition of the class of dual-bent functions containing the class of weakly regular bent functions as a proper subclass. We analyse self-duality for bent functions in odd characteristic, and characterize quadratic self-dual bent functions. We construct non-weakly regular bent functions with and without a bent dual, and bent functions with a dual bent function of a dierent algebraic degree.

Item Type:Article
Uncontrolled Keywords:Duals of bent functions; self-dual bent functions; Fourier transform
Subjects:UNSPECIFIED
ID Code:22193
Deposited By:Wilfried Meidl
Deposited On:11 Dec 2013 14:59
Last Modified:11 Dec 2013 14:59

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