Robert Šámal

most citedCayley sum graphs and eigenvalues of

(3, 6)

-fullerenes

4 citations · 6 across the 3 of their papers we have counts for

collaborators

3 papers

math.CO2007★ 4 cited

Cayley sum graphs and eigenvalues of $(3, 6)$ -fullerenes

Matt DeVos, Luis Goddyn, Bojan Mohar +1

We determine the spectra of cubic plane graphs whose faces have sizes 3 and 6. Such graphs, "(3,6)-fullerenes", have been studied by chemists who are interested in their energy spe…

math.CO2007

Induced trees in triangle-free graphs

Jiri Matousek, Robert Samal

We prove that every connected triangle-free graph on $n$ vertices contains an induced tree on $exp (c lo g n)$ vertices, where $c$ is a positive constant. The best known uppe…

math.CO2005★ 2 cited

Tension continuous maps--their structure and applications

Jaroslav Nesetril, Robert Samal

We consider mappings between edge sets of graphs that lift tensions to tensions. Such mappings are called tension-continuous mappings (shortly TT mappings). Existence of a TT mappi…

Cayley sum graphs and eigenvalues of (3,6)-fullerenes

Induced trees in triangle-free graphs

Tension continuous maps--their structure and applications

Cayley sum graphs and eigenvalues of $(3, 6)$ -fullerenes