153 citations
- Sobolev Institute of MathematicsRU3 papers
- Centrum Wiskunde & InformaticaNL2 papers
- University of StrathclydeGB2 papers
- University UcinfCL2 papers
- Alexandru Ioan Cuza UniversityRO1 paper
- Arizona State UniversityUS1 paper
- Boston UniversityUS1 paper
- Centre National de la Recherche ScientifiqueFR1 paper
- Chalmers University of TechnologySE1 paper
- Délégation Paris 7FR1 paper
- DePaul UniversityUS1 paper
- Eindhoven University of TechnologyNL1 paper
Showing 2008 · math.COShow all
2 papers · 2 filters
math.CO2008
Rationality, irrationality, and Wilf equivalence in generalized factor order
Sergey Kitaev, Jeffrey Liese, Jeffrey Remmel +1
Let be a partially ordered set and consider the free monoid of all words over . If then is a factor of if there are words with . D…
math.CO2008
Obtainable Sizes of Topologies on Finite Sets
Kari Ragnarsson, Bridget Eileen Tenner
We study the smallest possible number of points in a topological space having k open sets. Equivalently, this is the smallest possible number of elements in a poset having k order…