activity
19972019
most citedA complete -vector for convex polytopes

3 citations · 14 across the 20 of their papers we have counts for

collaborators

20 papers

math.CO2019

Some stumbling first steps towards linear homology in a nutshell

Jonathan Fine

In 1985 Bayer and Billera defined a flag vector for every convex polytope , and proved some fundamental properties. The flag vectors span a graded ring $\mathcal{R…

math.CO2018

The algebra of balanced dessins

Jonathan Fine

This paper gives a key definition, for a new approach to dessins and algebraic numbers. The distant goal is to construct from each dessin an algebraic number , in a system…

math.CO2015

Bias and dessins

Jonathan Fine

Grothendieck's theory of dessins provides a bridge between algebraic numbers and combinatorics. This paper adds a new concept, called 'bias', to the bridge. This produces: (i) from…

math.CO2010★ 1 cited

Axioms for the g-vector of general convex polytopes

Jonathan Fine

McMullen's g-vector is important for simple convex polytopes. This paper postulates axioms for its extension to general convex polytopes. It also conjectures that, for each dimensi…

math.CO2010★ 3 cited

A complete -vector for convex polytopes

Jonathan Fine

We define an extension of the toric (middle perversity intersection homology) -vector of a convex polytope . The extended encodes the whole of the flag vector o…

math.CO2009★ 1 cited

A complete h-vector for convex polytopes

Jonathan Fine

This note defines a complete h-vector for convex polytopes, which extends the already known toric (or mpih) h-vector and has many similar properties. Complete means that it encodes…