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Volume 13 (2021) no. 2

Table of contents


Principal angles between random subspaces and polynomials in two free projections
Guillaume Aubrun
p. 3-10

Enveloping algebras of pre-Lie algebras of rooted trees
Mohamed Belhaj Mohamed
p. 11-28

Combinatorial k-systoles on a punctured torus and a pair of pants
ElHadji Abdou Aziz Diop; Masseye Gaye; Abdoul Karim Sane
p. 29-38

Length derivative of the generating function of walks confined in the quarter plane
Thomas Dreyfus; Charlotte Hardouin
p. 39-92

Contramodules
Leonid Positselski
p. 93-182
ISSN : 1793-7442
e-ISSN : 1793-7434
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