Itamar Stein

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20182026

most citedThe algebra of the monoid of order-preserving functions on an

n

-set and other reduced

E

-Fountain semigroups

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math.RT2025

Representation theory of monoids consisting of order-preserving functions and order-reversing functions on an n-set

Itamar Stein

Let $OD_{n}$ be the monoid of all order-preserving functions and order-reversing functions on the set ${1, \dots, n}$ . We describe a quiver presentation for the mon…