Susan Y. J. Wu

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3 papers · 1 filter

math.CO2008

Symmetric Schroder paths and restricted involutions

Eva Y. P. Deng, Mark Dukes, Toufik Mansour +1

Let $A_{k}$ be the set of permutations in the symmetric group $S_{k}$ with prefix 12. This paper concerns the enumeration of involutions which avoid the set of patterns $A_{k}$ . We prese…

math.CO2006

Linked Partitions and Linked Cycles

William Y. C. Chen, Susan Y. J. Wu, Catherine Yan

The notion of noncrossing linked partition arose from the study of certain transforms in free probability theory. It is known that the number of noncrossing linked partitions of [n…

math.CO2005

Division and the Giambelli Identity

Susan Y. J. Wu, Arthur L. B. Yang

Given two polynomials f(x) and g(x), we extend the formula expressing the remainder in terms of the roots of these two polynomials to the case where f(x) is a Laurent polynomial. T…