Syrbu, Parascovia; Grecu, Ion Loops with invariant flexibility under the isostrophy. (English) Zbl 1474.20154 Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 122-128 (2020). MSC: 20N05 PDFBibTeX XMLCite \textit{P. Syrbu} and \textit{I. Grecu}, Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 122--128 (2020; Zbl 1474.20154) Full Text: Link
Bruk, Vladislav Moiseevich On self-adjoint and invertible linear relations generated by integral equations. (English) Zbl 1521.47004 Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 106-121 (2020). MSC: 47A06 47A10 47A56 45N05 PDFBibTeX XMLCite \textit{V. M. Bruk}, Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 106--121 (2020; Zbl 1521.47004) Full Text: Link
Turuta, Silvia Solution of the problem of the center for cubic differential systems with three affine invariant straight lines of total algebraic multiplicity four. (English) Zbl 1457.34049 Bul. Acad. Ştiinţe Repub. Mold., Mat. 2020, No. 1(92), 89-105 (2020). MSC: 34C05 PDFBibTeX XMLCite \textit{S. Turuta}, Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 89--105 (2020; Zbl 1457.34049) Full Text: Link
Lazari, Alexandru; Lozovanu, Dmitrii New algorithms for finding the limiting and differential matrices in Markov chains. (English) Zbl 1461.65009 Bul. Acad. Ştiinţe Repub. Mold., Mat. 2020, No. 1(92), 75-88 (2020). MSC: 65C40 60J22 90C40 15B51 PDFBibTeX XMLCite \textit{A. Lazari} and \textit{D. Lozovanu}, Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 75--88 (2020; Zbl 1461.65009) Full Text: Link
Arnautov, Vladimir Ivanovich; Ermakova, G. N. On the number of topologies on countable skew fields. (English) Zbl 1485.22002 Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 63-74 (2020). Reviewer: Mihail I. Ursul (Oradea) MSC: 22A05 PDFBibTeX XMLCite \textit{V. I. Arnautov} and \textit{G. N. Ermakova}, Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 63--74 (2020; Zbl 1485.22002) Full Text: Link
Kashu, Alekseĭ Ivanovich Closure operators in modules and their characterizations. (English) Zbl 1466.16007 Bul. Acad. Ştiinţe Repub. Mold., Mat. 2020, No. 1(92), 31-62 (2020). MSC: 16D90 16S90 18A40 18E40 PDFBibTeX XMLCite \textit{A. I. Kashu}, Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 31--62 (2020; Zbl 1466.16007) Full Text: Link
Emelichev, Vladimir Alekseevich; Bukhtoyarov, Sergei E. On two stability types for a multicriteria integer linear programming problem. (English) Zbl 1457.90093 Bul. Acad. Ştiinţe Repub. Mold., Mat. 2020, No. 1(92), 17-30 (2020). MSC: 90C09 90C29 90C31 PDFBibTeX XMLCite \textit{V. A. Emelichev} and \textit{S. E. Bukhtoyarov}, Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 17--30 (2020; Zbl 1457.90093) Full Text: Link
Skuratovskii, Ruslan V. Commutator subgroup of Sylow 2-subgroups of alternating group and the commutator width in the wreath product. (English) Zbl 1475.20033 Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 3-16 (2020). MSC: 20D20 20E22 20B35 20F12 20F05 PDFBibTeX XMLCite \textit{R. V. Skuratovskii}, Bul. Acad. Științe Repub. Mold., Mat. 2020, No. 1(92), 3--16 (2020; Zbl 1475.20033) Full Text: Link