Sommaire du Fascicule no. 1

Basis for solutions of the Benoit & Saint-Aubin PDEs with particular asymptotics properties
Unified bijections for planar hypermaps with general cycle-length constraints

Sommaire du Fascicule no. 2

Izergin–Korepin analysis on the wavefunctions of the U q ( sl 2 ) six-vertex model with reflecting end
Feynman amplitudes on moduli spaces of graphs
A Cheeger-type exponential bound for the number of triangulated manifolds
Soliton cellular automata associated with infinite reduced words

Sommaire du Fascicule no. 3

Decompositions of amplituhedra
The structure of spatial slices of 3-dimensional causal triangulations
Lie groups of controlled characters of combinatorial Hopf algebras

Sommaire du Fascicule no. 4

Contraction of Dirac matrices via chord diagrams
A unified enumeration of 1-dimension garden algebras and valise Adinkras
Magnificent four
The perimeter cascade in critical Boltzmann quadrangulations decorated by an O(n) loop model
Laplacian growth and sandpiles on the Sierpiński gasket: limit shape universality and exact solutions