期刊： ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, 2021; 29 (2)
In this paper, we establish some basic results for quaternion combined impulsive matrix dynamic equation on time scales for the first time. Quaternion......
期刊： ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, 2021; 29 (1)
Matrix expressions composed by generalized inverses can generally be written as f(A(1)(-), A(2)(-), ..., A(k)(-)), where A(1), A(2), ..., A(k) are a f......
期刊： ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, 2021; 29 (2)
Let N be the set of all positive integers. In this paper, using some known results on various types of Diophantine equations, we solve a couple of spe......
期刊： ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, 2019; 27 (2)
The degree distance DD(G) of a connected graph G was invented by Dobrynin and Kochetova in 1994. Recently, one of the present authors introduced the c......
期刊： ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, 2019; 27 (3)
The main goal of this paper is to give some representations of MV-algebras in terms of derivations. In this paper, we investigate some properties of i......
期刊： ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, 2019; 27 (3)
In this paper, we introduce the notion of interpolative Rus-Reich-Ciric type Z- contractions in the setting of complete metric space. We also consider......
期刊： ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, 2018; 26 (1)
In this paper we discuss the existence of a solution between well ordered subsolution and supersolution of the Kirchhoff equation. Using the sub-super......
期刊： ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, 2018; 26 (3)
We study some properties of restricted and associated Fubini numbers. In particular, they have the natural extensions of the original Fubini numbers i......
期刊： ANALELE STIINTIFICE ALE UNIVERSITATII OVIDIUS CONSTANTA-SERIA MATEMATICA, 2017; 25 (2)
Gallai in 1966 raised the question about the existence of graphs with the property that every vertex is missed by some longest path. This property wil......
