nLab
dendrex

Contents

Idea

The notion of dendrex is the operadic analog of the notion of simplex.

Definition

For XX a dendroidal set and TT a tree, a TT-shaped dendrex of XX is a morphism

Ω[T]X, \Omega[T] \to X \,,

hence equivalently, by the Yoneda lemma, an element of the set X(T)X(T).

Created on March 14, 2012 10:28:57 by Urs Schreiber (82.169.65.155)