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In this paper we deal with the problem of characterizing those generalized Mehler semigroups that do correspond to c\`adl\`ag Markov processes, which is highly non-trivial and has remained open for more than a decade. Our approach is to reconsider th
Externí odkaz:
http://arxiv.org/abs/2410.04861
This work is devoted to inverse problems for elliptic partial differential equations in an Euclidean domain, in which the boundary and/or interior conditions are given merely on some accessible portion of the boundary and/or inside the domain, the go
Externí odkaz:
http://arxiv.org/abs/2409.03686
Autor:
Cimpean, Alexandra, Verstraeten, Timothy, Willem, Lander, Hens, Niel, Nowé, Ann, Libin, Pieter
Individual-based epidemiological models support the study of fine-grained preventive measures, such as tailored vaccine allocation policies, in silico. As individual-based models are computationally intensive, it is pivotal to identify optimal strate
Externí odkaz:
http://arxiv.org/abs/2301.12822
The aim of this note is to show, by providing an elementary way to construct counter-examples, that the strong Feller and the joint (space-time) continuity for a semigroup of Markov kernels on a Polish space are not enough to ensure the existence of
Externí odkaz:
http://arxiv.org/abs/2211.14789
In this paper we study probabilistic and neural network approximations for solutions to Poisson equation subject to Holder data in general bounded domains of $\mathbb{R}^d$. We aim at two fundamental goals. The first, and the most important, we show
Externí odkaz:
http://arxiv.org/abs/2209.01432
We prove that if we are given a generator of a cadlag Markov process and an open domain $G$ in the state space, on which the generator has the local property expressed in a suitable way on a class $\mathcal{C}$ of test functions that is sufficiently
Externí odkaz:
http://arxiv.org/abs/2208.06036
Autor:
Giurgiu, O.V., Berean, D.I., Ionescu, A., Ciupe, M.S., Cimpean, C.R., Radu, C.I., Bitica, D.G., Bogdan, S., Bogdan, M.L.
Publikováno v:
In Veterinary and Animal Science March 2024 23
Autor:
Demeter, Maria, Călina, Ion, Scărișoreanu, Anca, Mitran, Valentina, Popa, Marcela, Cîmpean, Anisoara, Chifiriuc, Mariana Carmen, Micutz, Marin, Matei, Elena, Mitu, Bogdana
Publikováno v:
In Radiation Physics and Chemistry March 2024 216
Autor:
Alexandru OLTEAN-CÎMPEAN
Publikováno v:
Studia Universitatis Babeş-Bolyai. Philologia, Vol 68, Iss 4 (2023)
Setting up a Creative Writing Program at Babeș-Bolyai University. The present paper argues for the establishment of a Creative Writing program within Babeș-Bolyai University, by initially providing more courses at the BA level, with an MA in Creati
Externí odkaz:
https://doaj.org/article/0b8e516e3cb54130a98eda203d18a750
Autor:
Cimpean, Andrada, Danchev, Peter
We completely determine those natural numbers $n$ for which the full matrix ring $M_n(F_2)$ and the triangular matrix ring $T_n(F_2)$ over the two elements field $F_2$ are either n-torsion clean or are almost n-torsion clean, respectively. These resu
Externí odkaz:
http://arxiv.org/abs/1912.01104