Vol. 7, No. 1, 2015

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Partially ordered sets in Macaulay2

David Cook II, Sonja Mapes and Gwyneth Whieldon

Vol. 7 (2015), 9–15

We introduce the package Posets for Macaulay2. This package provides a data structure and the necessary methods for working with partially ordered sets, also called posets. In particular, the package implements methods to enumerate many commonly studied classes of posets, perform operations on posets, and calculate various invariants associated to posets.

Mathematical Subject Classification 2010
Primary: 06A11, 13P99
Supplementary material

Posets version 1.1.2

Received: 21 January 2014
Revised: 14 August 2014
Accepted: 5 June 2015
Published: 5 July 2015
David Cook II
Department of Mathematics & Computer Science
Eastern Illinois University
Charleston, IN 46613
United States
Sonja Mapes
Department of Mathematics
University of Notre Dame
Notre Dame, IN 46556
United States
Gwyneth Whieldon
Department of Mathematics
Hood College
Frederick, MD 21701
United States