In mathematics, a Bianchi group is a group of the form where d is a positive square-free integer. Here, PSL denotes the projective special linear group and is the ring of integers of the imaginary quadratic field . The groups were first studied by Bianchi as a natural class of discrete subgroups of , now termed Kleinian groups. As a subgroup of , a Bianchi group acts as orientation-preserving isometries of 3-dimensional hyperbolic space . The quotient space is a non-compact, hyperbolic 3-fold with finite volume, which is also called Bianchi orbifold. An exact formula for the volume, in terms of the Dedekind zeta function of the base field , was computed by Humbert as follows. Let be the discriminant of , and , the discontinuous action on , then The set of cusps of is in bijection with the class group of . It is well known that any non-cocompact arithmetic Kleinian group is weakly commensurable with a Bianchi group. (Wikipedia).
Mariano Chicho Frumboli & Juana Sepulveda - Flor de Monserrat, Rodolfo Biagi Dubai TFl 2014
https://www.youtube.com/channel/UC19JJiR46Il0dq60hedbu9A/?sub_confirmation=1 #Tango Mariano Chicho Frumboli & Juana Sepulveda Flor de Monserrat - Rodolfo Biagi Dubai Tango festival 2014 Images A. Alejandro Rumolino - Filmmaker
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Lagrange Bicentenary - Cédric Villani's conference
From the stability of the Solar system to the stability of plasmas
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Chicho frumboli & Juana Sepulveda ¨milonga para una armonica ¨
Milonga Gricel marzo 2017
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Piazzolla, Guitarra, Bandoneón y Orquesta de Cuerdas-Alondra de la Parra & Orchestre de París
Alondra de la Parra – Directora Richard Galliano – Bandoneón Yamandu Costa- Guitarra Orchestre de Paris Director Musical – Paavo Järvi Video - Jean-Pierre Loisil ARTE France
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Chicho y Juana tango Bajofundo) Mantova TF 2008
Frumboli y Sepulveda bailan Borges y Paraguay de Bajofundo Tango Club en el Mantova tango festival 2008
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Chicho and Claudia . Our first time 1997.
Claudia Jakobsen and Mariano 'Chicho" Frúmboli. La Galeria del Tango. 1997.
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Réalisation : Quentin Lazzarotto Direction Scientifique : Frédéric Brechenmacher Production : Cédric Villani et Jean-Philippe Uzan Produit par l'Institut Henri Poincaré, en collaboration avec l'Institut Lagrange de Paris, le CNRS Images, l'Université Pierre et Marie Curie, le Labex Carmin
From playlist Bicentenaire Joseph-Louis Lagrange
Haluk SENGUN - Cohomology of arithmetic groups and number theory: geometric, ... 2
In this lecture series, the first part will be dedicated to cohomology of arithmetic groups of lower ranks (e.g., Bianchi groups), their associated geometric models (mainly from hyperbolic geometry) and connexion to number theory. The second part will deal with higher rank groups, mainly
From playlist École d'Été 2022 - Cohomology Geometry and Explicit Number Theory
Lie groups: Bianchi classification
This lecture is part of an online graduate course on Lie groups. We give a sketch of the Bianchi classification of the Lie algebras and groups of dimension at most 3. We mention that this is related to the Thurston geometries of 3-manifolds. For the other lectures in the course see ht
From playlist Lie groups
Stark-Heegner cycles for Bianchi modular forms by Guhan Venkat
PERFECTOID SPACES ORGANIZERS: Debargha Banerjee, Denis Benois, Chitrabhanu Chaudhuri, and Narasimha Kumar Cheraku DATE & TIME: 09 September 2019 to 20 September 2019 VENUE: Madhava Lecture Hall, ICTS, Bangalore Scientific committee: Jacques Tilouine (University of Paris, France) Eknath
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On Sharifi’s Conjectures and Generalizations by Emmanuel Lecouturier
Program Recent developments around p-adic modular forms (ONLINE) ORGANIZERS: Debargha Banerjee (IISER Pune, India) and Denis Benois (University of Bordeaux, France) DATE: 30 November 2020 to 04 December 2020 VENUE: Online This is a follow up of the conference organized last year arou
From playlist Recent Developments Around P-adic Modular Forms (Online)
Kalani Thalagoda - Bianchi modular forms
Bianchi Modular Forms are generalizations of classical modular forms for imaginary quadratic fields. Similar to the classical case, we can use the theory of modular symbols for computation. However, when the class group of the field is non-trivial, we can only compute certain components of
From playlist École d'Été 2022 - Cohomology Geometry and Explicit Number Theory
Analysis and topology on locally symmetric spaces - Akshay Venkatesh
Members' Seminar Topic: Analysis and topology on locally symmetric spaces Speaker: Akshay Venkatesh Affiliation: Stanford University; Distinguished Visiting Professor, School of Mathematics Date: October 9, 2017 For more videos, please visit http://video.ias.edu
From playlist Mathematics
Lagrange Bicentenary - Alain Albouy's conference
Lagrange and the N body Problem
From playlist Bicentenaire Joseph-Louis Lagrange
Profinite rigidity – Alan Reid – ICM2018
Topology Invited Lecture 6.7 Profinite rigidity Alan Reid Abstract: We survey recent work on profinite rigidity of residually finite groups. © International Congress of Mathematicians – ICM www.icm2018.org Os direitos sobre todo o material deste canal pertencem ao Instituto de Mat
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Orquesta La Juan D`arienzo.La Cumparsita virutera. 27.12.2014
Концерт оркестра La Juan D`arienzo на милонге La Viruta в Буэнсо Айресе. Orcuesta La Juan D`arienzo. Participantes: Pablo Valle(piano), Christian Bastos (contrabajista invitado), Facundo Lazzari, Ricardo Badaracco, Nicolas Tognola, Adolfo Trepiana (bandoneones), Sebastian Frassón, Pablo Gi
From playlist NeoTango
Haluk SENGUN - Cohomology of arithmetic groups and number theory: geometric, ... 1
In this lecture series, the first part will be dedicated to cohomology of arithmetic groups of lower ranks (e.g., Bianchi groups), their associated geometric models (mainly from hyperbolic geometry) and connexion to number theory. The second part will deal with higher rank groups, mainly
From playlist École d'Été 2022 - Cohomology Geometry and Explicit Number Theory
Panorama of Mathematics: Peter Scholze
Panorama of Mathematics To celebrate the tenth year of successful progression of our cluster of excellence we organized the conference "Panorama of Mathematics" from October 21-23, 2015. It outlined new trends, results, and challenges in mathematical sciences. Peter Scholze: "Locally sym
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From PSL2 representation rigidity to profinite rigidity - Alan Reid and Ben McReynolds
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From playlist Mathematics