Canonical Characters on Quasi-Symmetric Functions and Bivariate Catalan Numbers. - Marcelo Aguiar; Samuel K. Hsiao (Electron. J. Comb., 2005)

A signed analog of the Birkhoff transform. - Samuel K. Hsiao (J. Comb. Theory A, 2006)

Enumeration in Convex Geometries and Associated Polytopal Subdivisions of Spheres. - Louis J. Billera; Samuel K. Hsiao; J. Scott Provan (Discret. Comput. Geom., 2008)

A Semigroup Approach to Wreath-Product Extensions of Solomon's Descent Algebras. - Samuel K. Hsiao (Electron. J. Comb., 2009)

A Borda count for partially ordered ballots. - John Cullinan; Samuel K. Hsiao; David Polett (Soc. Choice Welf., 2014)