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Akademický článek
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Autor:
Wang Shoufeng
Publikováno v:
Open Mathematics, Vol 15, Iss 1, Pp 1132-1147 (2017)
As a generalization of the class of inverse semigroups, the class of Ehresmann semigroups is introduced by Lawson and investigated by many authors extensively in the literature. In particular, Gomes and Gould construct a fundamental Ehresmann semigro
Externí odkaz:
https://doaj.org/article/925b23413cb2428aa1293bd9ca72054b
Autor:
Ádám Gyenge
We study the geometry and topology of Hilbert schemes of points on the orbifold surface [C^2/G], respectively the singular quotient surface C^2/G, where G is a finite subgroup of SL(2,C) of type A or D. We give a decomposition of the (equivariant) Hi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e076d7bc3cdfaebad333a5d168bba0c0
https://doi.org/10.15476/elte.2016.063
https://doi.org/10.15476/elte.2016.063
Autor:
J. C. Ndogmo
We show that any semi-direct sum $L$ of Lie algebras with Levi factor $S$ must be perfect if the representation associated with it does not possess a copy of the trivial representation. As a consequence, all invariant functions of $L$ must be Casimir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9dc2a0e135d638aa1e4ecc868d00e1ea
http://arxiv.org/abs/2212.13298
http://arxiv.org/abs/2212.13298
Publikováno v:
European Physical Journal C: Particles and Fields, Vol 81, Iss 5, Pp 1-8 (2021)
European Physical Journal
European Physical Journal
In this paper, we take into account the Gribov copies present in 3D Yang-MIlls-Higgs theory with a constant vector background whose presence breaks the Lorentz symmetry. The constant vector background is introduced within the non-Abelian aether term.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10b8c06cf32a5d150d93113f1864312a
https://doaj.org/article/8810c38bad5b49939952fd75bf1e9e76
https://doaj.org/article/8810c38bad5b49939952fd75bf1e9e76
Publikováno v:
Journal of High Energy Physics, Vol 2020, Iss 7, Pp 1-26 (2020)
Journal of High Energy Physics
Journal of High Energy Physics
The $$ \mathcal{N} $$ N = 4 superconformal Yang-Mills theory on flat four-dimensional Minkowski space is a de-confined gauge theory in the sense that the string tension for fundamental representation coloured quarks vanishes. In fact, static fundamen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c296d05eb8a44cf7fb0e7687bc93b4b1
http://link.springer.com/article/10.1007/JHEP07(2020)228
http://link.springer.com/article/10.1007/JHEP07(2020)228
Publikováno v:
Banach Center Publications, 120, 161-168. Institute of Mathematics, Polish Academy of Sciences
By a diagonal embedding of $U(1)$ in $SU_q(m)$, we prolongate the diagonal circle action on the Vaksman-Soibelman quantum sphere $S^{2n+1}_q$ to the $SU_q(m)$-action on the prolongated bundle. Then we prove that the noncommutative vector bundles asso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::789af1bea57c1971a9a13b5dc4bc5e5e
https://doi.org/10.4064/bc120-12
https://doi.org/10.4064/bc120-12
Publikováno v:
Algebra Colloquium. 26:123-138
A G-grading on an algebra, where G is an abelian group, is called multiplicity-free if each homogeneous component of the grading is 1-dimensional. We introduce skew root systems of Lie type and skew root systems of Jordan type, and use them to constr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e890c928c7d15f20cab552b28e71837
https://doi.org/10.1142/s1005386719000129
https://doi.org/10.1142/s1005386719000129
Publikováno v:
Correia, N, Pacheco, R & Svensson, M 2021, ' Harmonic surfaces in the Cayley plane ', Journal of the London Mathematical Society, vol. 103, no. 2, pp. 353-371 . https://doi.org/10.1112/jlms.12376
We consider the twistor theory of nilconformal harmonic maps from a Riemann surface into the Cayley plane $\mathbf{O} P^2=F_4/\mathrm{Spin}(9)$. By exhibiting this symmetric space as a submanifold of the Grassmannian of $10$-dimensional subspaces of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a2728a3e4e234c1b0472b3448dafcbf
https://portal.findresearcher.sdu.dk/da/publications/ae3a0a02-b0b0-419a-bdde-a42586b43923
https://portal.findresearcher.sdu.dk/da/publications/ae3a0a02-b0b0-419a-bdde-a42586b43923