Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Wai Leong Chooi"'
Publikováno v:
Linear and Multilinear Algebra. :1-24
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4be6fb9ee04d1132f04aa6a7d679ecd6
https://doi.org/10.1080/03081087.2022.2146042
https://doi.org/10.1080/03081087.2022.2146042
Autor:
Yean Nee Tan, Wai Leong Chooi
Publikováno v:
University of Wyoming Open Journals
Let $n\geq 2$ and $11$ and the underlying field $\mathbb{F}$ of characteristic not two are included.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d201527f143c61043cbe51753f5a73e1
https://doi.org/10.13001/ela.2021.6349
https://doi.org/10.13001/ela.2021.6349
Publikováno v:
Linear Algebra and its Applications. 626:34-55
Let n ⩾ 2 be an integer and let T n ( F ) be the algebra of n × n upper triangular matrices over an arbitrary field F . In this paper, a complete structural characterization of commuting additive maps ψ : T n ( F ) → T n ( F ) on rank one trian
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb2eb564ef008bd4846fce101f61093c
https://doi.org/10.1016/j.laa.2021.05.014
https://doi.org/10.1016/j.laa.2021.05.014
Autor:
Jian Yong Wong, Wai Leong Chooi
Publikováno v:
Linear and Multilinear Algebra. 70:5580-5605
Let k,n1,…,nk be positive integers such that ni⩾2 for i=1,…,k and let Mni denote the algebra of ni×ni matrices over a field F for i=1,…,k. Let ⨂i=1kMni be the tensor product of Mn1,…,Mnk. We obtain...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::999927cb2ef57255b44df16f1e40a85f
https://doi.org/10.1080/03081087.2021.1920876
https://doi.org/10.1080/03081087.2021.1920876
Autor:
Wai Leong Chooi, Kiam Heong Kwa
Publikováno v:
The Electronic Journal of Linear Algebra. 36:847-856
Let ${\cal U}$ and ${\cal V}$ be linear spaces over fields $\mathbb{F}$ and $\mathbb{K}$, respectively, such that Dim$\,{\cal U}=n\geqslant 2$ and $\left|\mathbb{F}\right|\geqslant 3$. Let $\bigwedge^2{\cal U}$ be the second exterior power of ${\cal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45f57cb4fa8ea32b785ca578a8d9b561
https://doi.org/10.13001/ela.2020.5109
https://doi.org/10.13001/ela.2020.5109
Publikováno v:
Linear Algebra and its Applications. 583:77-101
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58d3b301e81c15e9d4e3d0c805b3bd83
https://doi.org/10.1016/j.laa.2019.08.023
https://doi.org/10.1016/j.laa.2019.08.023
Publikováno v:
Linear and Multilinear Algebra. 68:1021-1030
Let n ⩾ 2 be an integer and let F be a field with F ⩾ 3 . Let T n ( F ) be the ring of n × n upper triangular matrices over F with centre Z . Fixing an integer 2 ⩽ k ⩽ n , we prove that an additive...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::079d75ab69a9471bcc8e6b7276c8a371
https://doi.org/10.1080/03081087.2018.1527281
https://doi.org/10.1080/03081087.2018.1527281
Autor:
Kiam Heong Kwa, Wai Leong Chooi
Publikováno v:
Linear and Multilinear Algebra. 68:869-885
Let Ψ : ⨂ i = 1 d H n i → ⨂ i = 1 d H n i be a linear map on the Kronecker product of spaces of Hermitian matrices H n i of size n i ≥ 3 . (If d=1, we identify ⨂ i = 1 d H n i with H n 1 .) We esta...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49834e7b8ba4b1f07f4667a62b5fb241
https://doi.org/10.1080/03081087.2018.1519010
https://doi.org/10.1080/03081087.2018.1519010
Autor:
Wai Leong Chooi, Kiam Heong Kwa
Publikováno v:
Linear and Multilinear Algebra. 67:1269-1293
Let F and K be fields and let n be a positive integer. Let U and V be linear spaces over F such that n=dimU⩽dimV and let W and Z be linear spaces over K . Let U⨂V be the tensor product of U...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7041fd61186e6660e15e53f652405ac3
https://doi.org/10.1080/03081087.2018.1451477
https://doi.org/10.1080/03081087.2018.1451477
Publikováno v:
Linear Algebra and its Applications. 516:24-46
In 1940s, Hua established the fundamental theorem of geometry of rectangular matrices which describes the general form of coherence invariant bijective maps on the space of all matrices of a given size. In 1955, Jacob generalized Hua's theorem to tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ff2f7e5e1d8e79042a5a484009289f2
https://doi.org/10.1016/j.laa.2016.11.023
https://doi.org/10.1016/j.laa.2016.11.023