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pro vyhledávání: '"Calderón, L."'
We consider the planar family of rigid systems of the form $x'=-y+xP(x,y), y'=x+yP(x,y)$, where $P$ is any polynomial with monomials of degree one and three. This is the simplest non-trivial family of rigid systems with no rotatory parameters. The fa
Externí odkaz:
http://arxiv.org/abs/2310.05509
Autor:
Belén Fernández Suárez
Publikováno v:
Migraciones, Vol 0, Iss 31, Pp 212-215 (2013)
Externí odkaz:
https://doaj.org/article/99ee4d63b2a247f1a0919c61709cb0b9
We study the rational solutions of the Abel equation $x'=A(t)x^3+B(t)x^2$ where $A,B\in C[t]$. We prove that if $deg(A)$ is even or $deg(B)>(deg(A)-1)/2$ then the equation has at most two rational solutions. For any other case, an upper bound on the
Externí odkaz:
http://arxiv.org/abs/2109.07853
More than five hundred years ago Leonardo Da Vinci found a pattern in the growth of trees nowadays known as the Leonardo's rule. This rule relates the thickness of the stem with the thickness of the branches at different bifurcation stages in a Pytha
Externí odkaz:
http://arxiv.org/abs/2009.10310
Akademický článek
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Publikováno v:
Modern Physics Letters A. March 14 (2019)
Following Chakrabarti,Chandrasekhar, and Naina [Physica A {\bf 389} (2010) 1571], we attempt a classical relativistic treatment of Verlinde's emergent entropic force conjecture by appealing to a relativistic Hamiltonian in the context of Tsalli's sta
Externí odkaz:
http://arxiv.org/abs/1903.08150
Akademický článek
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Autor:
Urrutia-Mosquera J; Department of Economics and Institute for Applied Regional Economics (IDEAR), Universidad Católica del Norte, Antofagasta, Chile., Flórez-Calderón L; Industrial Engineering Department, Universidad Católica del Norte, Antofagasta, Chile., Cortés Y; Department of Economics and Institute for Applied Regional Economics (IDEAR), Universidad Católica del Norte, Antofagasta, Chile., Troncoso R; Faculty of Government, Universidad del Desarrollo, Santiago, Chile., Lufin M; Department of Economics and Institute for Applied Regional Economics (IDEAR), Universidad Católica del Norte, Antofagasta, Chile.
Publikováno v:
PloS one [PLoS One] 2024 Oct 31; Vol. 19 (10), pp. e0308610. Date of Electronic Publication: 2024 Oct 31 (Print Publication: 2024).
Autor:
Góngora-Canul CC; Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, U.S.A.; Tecnológico Nacional de México/IT de Ciudad Valles, Calle Al Ingenio 2, 79033 Ciudad Valles, San Luis Potosí, México., Volkening A; Department of Mathematics, Purdue University, West Lafayette, IN 47907, U.S.A., Cuéllar J; Asociación de Productores de Oleaginosas y Trigo, ANAPO, Santa Cruz de la Sierra, Bolivia., Calderón L; Asociación de Productores de Oleaginosas y Trigo, ANAPO, Santa Cruz de la Sierra, Bolivia., Fernández-Campos M; Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, U.S.A., Lee DY; Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, U.S.A., Salgado J; Department of Plant Pathology, Ohio State University and the Ohio Agricultural Research and Development Center, Wooster, OH 44691, U.S.A., Cruz-Sancan A; Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, U.S.A., Cruz CD; Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, U.S.A.
Publikováno v:
Phytopathology [Phytopathology] 2024 Oct; Vol. 114 (10), pp. 2273-2286. Date of Electronic Publication: 2024 Oct 03.
Autor:
Calderón, L.1 (AUTHOR), Diniz-Ehrhardt, M. A.1 (AUTHOR) cheti@unicamp.br, Martínez, J. M.1 (AUTHOR)
Publikováno v:
Optimization Methods & Software. Feb2022, Vol. 37 Issue 1, p175-191. 17p.