Louis W. Shapiro - researchr alias

researchr

You are not signed in
Sign in
Sign up

Viewing Publication 1 - 29 from 29

2020

A Bijection Between the Triangulations of Convex Polygons and Ordered TreesDennis E. Davenport, Louis W. Shapiro, Leon C. Woodson. int, 20, 2020. [doi]

2015

The Boundary of Ordered TreesDennis E. Davenport, Louis W. Shapiro, Lara K. Pudwell, Leon C. Woodson. jintseq, 18(5), 2015. [doi]

2013

Generalized Bessel numbers and some combinatorial settingsGi-Sang Cheon, Ji-Hwan Jung, Louis W. Shapiro. DM, 313(20):2127-2138, 2013. [doi]

2012

The uplift principle for ordered treesGi-Sang Cheon, Louis W. Shapiro. appml, 25(6):1010-1015, 2012. [doi]

Combinatorics of Riordan arrays with identical A and Z sequencesGi-Sang Cheon, Hana Kim, Louis W. Shapiro. DM, 312(12-13):2040-2049, 2012. [doi]

2011

The hitting time subgroup, Lukasiewicz paths and Faber polynomialsGi-Sang Cheon, Hana Kim, Louis W. Shapiro. ejc, 32(1):82-91, 2011. [doi]

The Double Riordan GroupDennis Davenport, Louis W. Shapiro, Leon C. Woodson. combinatorics, 18(2):33, 2011. [doi]

2010

The Fine numbers refinedGi-Sang Cheon, Sang-Gu Lee, Louis W. Shapiro. ejc, 31(1):120-128, 2010. [doi]

2009

Riordan group involutions and the Delta-sequenceGi-Sang Cheon, Sung-Tae Jin, Hana Kim, Louis W. Shapiro. DAM, 157(8):1696-1701, 2009. [doi]

A generalization of Lucas polynomial sequenceGi-Sang Cheon, Hana Kim, Louis W. Shapiro. DAM, 157(5):920-927, 2009. [doi]

2008

Protected points in ordered treesGi-Sang Cheon, Louis W. Shapiro. appml, 21(5):516-520, 2008. [doi]

2007

The butterfly decomposition of plane treesWilliam Y. C. Chen, Nelson Y. Li, Louis W. Shapiro. DAM, 155(17):2187-2201, 2007. [doi]

Matrix identities on weighted partial Motzkin pathsWilliam Y. C. Chen, Nelson Y. Li, Louis W. Shapiro, Sherry H. F. Yan. ejc, 28(4):1196-1207, 2007. [doi]

RNA Folding Including Pseudoknots: A New Parameterized Algorithm and Improved Upper BoundChunmei Liu, Yinglei Song, Louis W. Shapiro. wabi 2007: 310-322 [doi]

2006

Parity reversing involutions on plane trees and 2-Motzkin pathsWilliam Y. C. Chen, Louis W. Shapiro, Laura L. M. Yang. ejc, 27(2):283-289, 2006. [doi]

2003

Bijections and the Riordan groupLouis W. Shapiro. TCS, 307(2):403-413, 2003. [doi]

2002

A bijection between ordered trees and 2-Motzkin paths and its many consequencesEmeric Deutsch, Louis W. Shapiro. DM, 256(3):655-670, 2002. [doi]

2001

A survey of the Fine numbersEmeric Deutsch, Louis W. Shapiro. DM, 241(1-3):241-265, 2001. [doi]

Some Open Questions about Random Walks, Involutions, Limiting Distributions, and Generating FunctionsLouis W. Shapiro. aam, 27(Issues):585-596, 2001. [doi]

Leaves of Ordered Trees: 10753Louis W. Shapiro, Richard Ehrenborg, John W. Moon, Michael Reid. tamm, 108(9):873-874, 2001. [doi]

1992

How to Guess a Generating FunctionSeyoum Getu, Louis W. Shapiro, Wen-Jin Woan, Leon C. Woodson. siamdm, 5(4):497-499, 1992.

Random Walks with Absorbing PointsLouis W. Shapiro. DAM, 39(1):57-67, 1992. [doi]

1991

Voting blocks, reluctant functions, and a formula of HurwitzLouis W. Shapiro. DM, 87(3):318-322, 1991. [doi]

Bootstrap Percolation, the Schröder Numbers, and the ::::N::::-Kings ProblemLouis W. Shapiro, A. B. Stephens. siamdm, 4(2):275-280, 1991.

The Riordan groupLouis W. Shapiro, Seyoum Getu, Wen-Jin Woan, Leon C. Woodson. DAM, 34(1-3):229-239, 1991. [doi]

1982

Product-Weighted Lead Codes RevisitedSeyoum Getu, Louis W. Shapiro, Wen-Jin Woan. JCT, 33(1):112-116, 1982.

1981

A combinatorial proof of a Chevyshev polynomial identityLouis W. Shapiro. DM, 34(2):203-206, 1981. [doi]

1977

Motzkin NumbersRobert Donaghey, Louis W. Shapiro. JCT, 23(3):291-301, 1977.

1976

A Short Proof of an Identity of Touchard s Concerning Catalan NumbersLouis W. Shapiro. JCT, 20(3):375-376, 1976.

Sign in or sign up to see more results.

runs on WebDSL