Rendiconti dell’Istituto di Matematica dell’Università di Trieste: an International Journal of Mathematics vol.52 (2020), 2nd Issue

Indice

Alessandro Fonda, Emilia Mezzetti, Pierpaolo Omari
Foreword

Preface

Carlo Petronio
Realizations of certain odd-degree surface branch data

Chao Wang
Half-unknotted 2-orbifolds in orientable spherical 3-orbifolds

Riccardo Benedetti
Connectivity results for surface branched ideal triangulations

Maria Rita Casali, Paola Cristofori, Carlo Gagliardi
Crystallizations of compact 4-manifolds minimizing combinatorially de ned PL-invariants

Jérôme Los, Luisa Paoluzzi, António Salgueiro
Non-isometric hyperbolic 3-orbifolds with the same topological type and volume

Alexander Mednykh, Mednykh, Ilya
Two Moore's theorems for graphs

Shunsuke Aimi, Donghi Lee, Shunsuke Sakai, Makoto Sakuma
Classifiation of parabolic generating pairs of Kleinian groups with two parabolic generators

Chao Wang, Shicheng Wang, Yimu Zhang, Bruno Zimmermann
Finite group actions on the genus-2 surface, geometric generators and extendability

Mattia Mecchia, Andrea Seppi
On the diffeomorphism type of Seifert fibered spherical 3-orbifolds

Andrey Egorov, Andrei Vesnin
Volume estimates for right-angled hyperbolic polyhedra

Parvaneh Nadi, Matteo Varbaro
Canonical Cohen-Macaulay property and Lyubeznik numbers under Gröbner deformations

Giovanni Alessandrini
A small collection of open problems

Bruno P. Zimmermann
Tetrahedral Coxeter groups, large group-actions on 3-manifolds and equivariant Heegaard splittings

Edoardo Ballico
Tensor decompositions in rank +1