Grigore CALUGAREANU
Hacettepe Journal of Mathematics and Statistics
2021-Cilt: 50 Sayı: 1
41-45
nil-clean, clean, similarity, binary quadratic form, class number
26516
Sharp upper bounds of $A_\alpha$-spectral radius of cacti with given pendant vertices
Shaohui WANG, Chunxiang WANG, Jia-bao LİU
Some characterizations of rectifying curves in the 3-dimensional hyperbolic space $\mathbb H^{3}(-r)$
Buddhadev PAL, Akhılesh YADAV