3 papers
math.CO2018
Mixed restricted Stirling numbers
Somaya Barati, Beáta Bényi, Abbas Jafarzadeh +1
In this note we investigate mixed partitions with extra condition on the sizes of the blocks. We give a general formula and the generating function. We consider in more details a s…
math.GR2018
On The Relative N-Tensor Nilpotent Degree of Finite Groups
Hanieh Golmakani, Abbas Jafarzadeh
In this paper, we introduce the relative -tensor nilpotent degree of a finite group with respect to a subgroup of . The aim of this paper is to investigate this conce…
math.GR2018
Generalized power graph of groups
Abbas Jafarzadeh, Peyman Niroomand, Mohsen Parvizi
The power graph of an arbitrary group is a simple graph with all elements of as its vertices and two vertices are adjacent if one is a positive power of another. In this pa…