
Inequality for square summable complex series ★★
Author(s): Retkes
Conjecture For all
the following inequality holds


Keywords: Inequality
Vertex Cover Integrality Gap ★★
Author(s): Atserias
Conjecture For every
there is
such that, for every large
, there are
-vertex graphs
and
such that
and
.








Keywords: counting quantifiers; FMT12-LesHouches
Mixing Circular Colourings ★
Question Is
always rational?

Keywords: discrete homotopy; graph colourings; mixing