Zobrazeno 1 - 10 of 61 pro vyhledávání: '"Ulrich Dempwolff"'
4
On 2-transitive sets of equiangular lines
Autor: ULRICH DEMPWOLFF, WILLIAM M. KANTOR
We determine all finite sets of equiangular lines spanning finite-dimensional complex unitary spaces for which the action on the lines of the set-stabiliser in the unitary group is 2-transitive with a regular normal subgroup.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00db13bb85f2bc67b1a0ce2b9d0964e3
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5
Doubly transitive dimensional dual hyperovals: universal covers and non-bilinear examples
Autor: Ulrich Dempwolff
Publikováno v: Advances in Geometry. 19:359-379
By [4] a doubly transitive, non-solvable dimensional dual hyperovalDis isomorphic either to the Mathieu dual hyperoval or to a quotient of a Huybrechts dual hyperoval. In order to determine all doubly transitive dimensional dual hyperovals, it remain
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dd7f9c3f72d6bb48f5f754e91b6d9421
https://doi.org/10.1515/advgeom-2018-0028
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6
Automorphisms and isomorphisms of some p-ary bent functions
Autor: Ulrich Dempwolff
Publikováno v: Journal of Algebraic Combinatorics. 51:527-566
In the predecessor to this paper Dempwolff (Comm Algebra 34(3):1077–1131, 2006), group-theoretic methods were used to solve automorphism and equivalence questions for (certain) ordinary bent functions, i.e., bent functions over \(\mathbb {F}_2\). H
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8706e90984c557162093ba520d0ecc58
https://doi.org/10.1007/s10801-019-00884-9
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8
The non-solvable doubly transitive dimensional dual hyperovals
Autor: Ulrich Dempwolff
Publikováno v: Advances in Geometry. 18:1-4
In [9] S. Yoshiara determines possible automorphism group of doubly transitive dimensional dual hyperovals. He shows that a doubly transitive dual hyperovalDis either isomorphic to the Mathieu dual hyperoval or the dual hyperoval is defined over 𝔽
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::efbb04b95d18674572da61d10f9db751
https://doi.org/10.1515/advgeom-2017-0006
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9
CCZ equivalence of power functions
Autor: Ulrich Dempwolff
Publikováno v: Designs, Codes and Cryptography. 86:665-692
Let $$F\simeq {{\mathrm{GF}}}(p^n)$$FźGF(pn) be a finite field of characteristic p and $$p_k$$pk and $$p_\ell $$pl be power functions on F defined by $$p_k(x)=x^k$$pk(x)=xk and $$p_\ell (x)=x^\ell $$pl(x)=xl respectively. We show, that $$p_k$$pk and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::61a074d80addcc69d3aa28b188a291a2
https://doi.org/10.1007/s10623-017-0350-8
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10
On dual hyperovals of rank 4 over $${{\mathbb{F}}_2}$$ F 2
Autor: Anton Betten, Alfred Wassermann, Ulrich Dempwolff
Publikováno v: Journal of Geometry. 108:75-98
We discuss dual hyperovals of rank 4 over \({{\mathbb{F}}_2}\). In particular, we classify all such dual hyperovals if the ambient space has dimension 7 or 8. We also determine the bilinear dual hyperovals in the case of an ambient space of dimension
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba3f2fb80fa4ff51c33be4ebec4f9e50
https://doi.org/10.1007/s00022-016-0326-2
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