activity
20082023
most citedA Size Bound for Hamilton Cycles

4 citations · 17 across the 31 of their papers we have counts for

collaborators

31 papers

math.CO2023

Large Cycles in Graphs Around Conjectures of Bondy and Jung -- Modifications and Sharpness

Zhora Nikoghosyan

A number of new sufficient conditions for generalized cycles (large cycles including Hamilton and dominating cycles as special cases) in an arbitrary -connected graph $(k=1,2,..…

math.CO2022★ 1 cited

A Note on Large Cycles in Graphs Around Conjectures of Bondy and Jung

Zhora Nikoghosyan

Two new sufficient conditions for generalized cycles (including Hamilton and dominating cycles as special cases) in an arbitrary k-connected graph (k=1,2,...) are derived, which pr…

math.CO2021

New Ore-type Conditions for Hamilton Cycles and Spanning Trees with few leaves

Zhora Nikoghosyan

New Ore-type conditions for Hamilton cycles and spanning trees with few leaves are presented.

math.CO2017

On Pure Degree Sequence Manipulations Forcing Long Cycles in Graphs

Zhora Nikoghosyan

The well-known Hamiltonian sufficient conditions, proposed by Dirac, Faudree et al., Pósa, Bondy, Chvátal are based on pure degree manipulations without any additional conditions.…

math.CO2016

On Dirac's Conjecture

Zh. G. Nikoghosyan

Let be a 2-connected graph, be the length of a longest path in and be the circumference - the length of a longest cycle in . In 1952, Dirac proved that $c>\sqrt{…

math.CO2015

Spanning trees in connected graphs with few branch and end vertices

Zhora Nikoghosyan

A vertex of degree one in a tree is called an end vertex and a vertex of degree at least three is called a branch vertex. For a graph , let be the minimum degree sum of tw…