Showing 2026Show all
2 papers · 1 filter
math.CO2026
On the Turán number of the expansion of the book
Xin Cheng, Dániel Gerbner, Hilal Hama Karim
The book with pages is the graph on vertices consisting of triangles which intersect at exactly one common edge. For a given graph , the -expansion of …
math.CO2026
On oriented Turán problems
Dániel Gerbner, Xuanrui Hu, Yuefang Sun
The oriented Turán number of a given oriented graph , denoted by $\exo(n,\overrightarrow{F})$, is the largest number of arcs in -vertex -…