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pro vyhledávání: '"Kedra, A."'
Akademický článek
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Publikováno v:
Ученые записки Петрозаводского государственного университета / Proceedings of Petrozavodsk State University. 42(1):8-16
Externí odkaz:
https://www.ceeol.com/search/article-detail?id=831639
Akademický článek
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Autor:
Kędra, Jarek, Libman, Assaf
We prove that a homomorphism between free groups of finite rank equipped with the bi-invariant word metrics is a quasi-isometry if and only if it is an isomorphism.
Comment: 10 pages
Comment: 10 pages
Externí odkaz:
http://arxiv.org/abs/2407.18027
Autor:
Silvia D’Ambrosi, Raquel García-Vílchez, Darek Kedra, Patrice Vitali, Nuria Macias-Cámara, Laura Bárcena, Monika Gonzalez-Lopez, Ana M. Aransay, Sabine Dietmann, Antonio Hurtado, Sandra Blanco
Publikováno v:
RNA Biology, Vol 21, Iss 1, Pp 476-493 (2024)
RNA modifications, including N-7-methylguanosine (m7G), are pivotal in governing RNA stability and gene expression regulation. The accurate detection of internal m7G modifications is of paramount significance, given recent associations between altere
Externí odkaz:
https://doaj.org/article/0c1d37e430854e06bcbba4378800058e
We investigate spaces of symplectic embeddings of $n\leq 4$ balls into the complex projective plane. We prove that they are homotopy equivalent to explicitly described algebraic subspaces of the configuration spaces of $n$ points. We compute the rati
Externí odkaz:
http://arxiv.org/abs/2307.00556
Autor:
Hamdoon A. Mohammed, Rana Said, Manal M. Abbas, Belal O. Al-Najjar, Essam Abd-Elmoniem, Riaz A. Khan, Abdullah S. Alsohim, Suliman A. Almahmoud, Taha A. Kedra, Safia M. Shehata, Ahmed Ismail
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Ephedra alata Decne is a medicinal plant widely used in traditional medicine for the management of bronchial asthma and cancer. Phytochemical analysis and biological activities, including antioxidant and anticancer effects, were investigated
Externí odkaz:
https://doaj.org/article/5fa586ba4e8942cebdac8a4b709b440b
Autor:
Kędra, Jarek
We introduce and investigate a natural family of metrics on connected components of a rack. The metrics are closely related to certain bi-invariant metrics on the group of inner automorphisms of the rack. We also introduce a bounded cohomology of rac
Externí odkaz:
http://arxiv.org/abs/2302.02760
We consider a discrete-time incomplete multi-asset market model with continuous price jumps. For a wide class of contingent claims, including European basket call options, we compute the bounds of the interval containing the no-arbitrage prices. We p
Externí odkaz:
http://arxiv.org/abs/2301.04996
We consider a multi-asset incomplete model of the financial market, where each of $m\geq 2$ risky assets follows the binomial dynamics, and no assumptions are made on the joint distribution of the risky asset price processes. We provide explicit form
Externí odkaz:
http://arxiv.org/abs/2301.02912