Acta et Commentationes Exact and Natural Sciences

Current Issue

Vol 12 No 2 (2021)
Published January 10, 2022
Acta et Commentationes Exact and Natural Sciences
Acta et Commentationes Exact and Natural Sciences

The Acta et Commentationes scientific journal, the Exact and Natural Sciences series is a periodical publication, whose purpose is to reflect and develop the modern scientific phenomenon in the field of Exact and Natural Sciences (Mathematics, Physics, Computer Science, Chemistry, Biology, Geography); dissemination of the results of the scientific performance researches (fundamental and applicative) in the fields of profile; publicizing new technologies in order to implement them; addressing and elucidating the scientific investigative problems specific to the journal profiles.

The journal is included in the Register of Scientific Journals of the Republic of Moldova in category B and can be accessed at https://ibn.idsi.md/ro/vizualizare_revista/418. The e-mail address of the magazine is aec@ust.md

Liubomir CHIRIAC, Dumitru Cozma
7-18
In memoriam - Academician Mitrofan Choban
https://doi.org/10.36120/2587-3644.v12i2.7-18
pdf
Yaroslav Bihun, Roman Petryshyn, Ihor Skutar , Halyna Melhyk
19-32
Multifrequency system with multipoint and integral conditions
https://doi.org/10.36120/2587-3644.v12i2.19-32
pdf
Andrei Pranevich, Alexander Grin, Yanka Musafirov
33-42
Multiple partial integrals of polynomial Hamiltonian systems
https://doi.org/10.36120/2587-3644.v12i2.33-42
pdf
Aliona Dreglea , Nikolai Sidorov , Denis Sidorov
43-49
Construction of solutions of integral equations with Stieltjes functionals and bifurcation parameters
https://doi.org/10.36120/2587-3644.v12i2.43-49
pdf (Русский)
Alexandru Şubă
50-62
Real cubic differential systems with a linear center and multiple line at infinity
https://doi.org/10.36120/2587-3644.v12i2.50-62
pdf (Русский)
Dumitru Cozma , Vadim Repeşco
63-73
Dynamics of a cubic differential advertising model
https://doi.org/10.36120/2587-3644.v12i2.63-73
pdf (Русский)
Natalia Neagu , Mihail Popa
74-81
Lyapunov’s stability of the unperturbed motion governed bythe
https://doi.org/10.36120/2587-3644.v12i2.74-81
pdf (Русский)
Vasile Neagu
82-103
Singular integral operators in the case of a piecewise Lyapunov contour
https://doi.org/10.36120/2587-3644.v12i2.82-103
pdf (Русский)
Inga Titchiev
104-110
Petri nets for e-learning. Case studyInga Titchiev
https://doi.org/10.36120/2587-3644.v12i2.104-110
pdf (Русский)
Adela Gorea
111-119
Algorithm for assessing the credibility of online information
https://doi.org/10.36120/2587-3644.v12i2.111-119
pdf (Русский)
Liubomir Chiriac , Natalia Bobeică , Natalia Lupashco , Dorin Pavel
120-131
On CM-groupoids with multiple identities and medial topological left loops
https://doi.org/10.36120/2587-3644.v12i2.120-131
pdf (Русский)
Vlad Serban
132-142
Boolean asynchronous systems vs. Daizhan Cheng’s theory
https://doi.org/10.36120/2587-3644.v12i2.132-142
pdf (Русский)
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