Rational functions of degree four that permute the projective line over a finite field
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DOI: 10.1080/00927872.2021.1906887
Abstract: Abstract Recently, rational functions of degree three that permute the projective line over a finite field were determined by Ferraguti and Micheli. In the present paper, using a different method, we determine all rational functions… read more here.
Keywords: projective line; line finite; rational functions; functions degree ... See more keywords
On the invariants of L-functions of degree 2, I: Twisted degree and internal shift
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DOI: 10.1142/s1793042124501215
Abstract: This is the first part of a series of papers where the behaviour of the invariants under twist by Dirichlet characters is studied for $L$-functions of degree 2. Here we show, under suitable conditions, that… read more here.
Keywords: degree internal; internal shift; degree twisted; functions degree ... See more keywords