91 citations
- University of MilanIT3 papers
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- Fermi National Accelerator LaboratoryUS2 papers
- Indiana University BloomingtonUS2 papers
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Showing 2006Show all
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math.CO2006
Colored posets and colored quasisymmetric functions
Samuel K. Hsiao, T. Kyle Petersen
The colored quasisymmetric functions, like the classic quasisymmetric functions, are known to form a Hopf algebra with a natural peak subalgebra. We show how these algebras arise a…
math.GT2006★ 3 cited
Finding planar surfaces in knot- and link-manifolds
William Jaco, J. Hyam Rubinstein, Eric Sedgwick
It is shown that given any link-manifold, there is an algorithm to decide if the manifold contains an embedded, essential planar surface; if it does, the algorithm will construct o…