Geodesic

Tome 16 (2020)

Sommaire

Aspects of Hecke Symmetry: Anomalies, Curves, and Chazy Equations
The Schwarz–Voronov Embedding of ${\mathbb Z}_{2}^{n}$-Manifolds
On Complex Gamma-Function Integrals
Flat Metrics with a Prescribed Derived Coframing
A Constraint on Chern Classes of Strictly Pseudoconvex CR Manifolds
Analytic Classification of Families of Linear Differential Systems Unfolding a Resonant Irregular Singularity
Some Consequences of Categorification
On the Relationship between Classical and Deformed Hopf Fibrations
New Examples of Irreducible Local Diffusion of Hyperbolic PDE's
Singular Nonsymmetric Macdonald Polynomials and Quasistaircases
On Closed Finite Gap Curves in Spaceforms I
Quasi-Isometric Bounded Generation by ${\mathbb Q}$-Rank-One Subgroups
Cluster Structures and Subfans in Scattering Diagrams
Short Star-Products for Filtered Quantizations, I
Classical Superintegrable Systems in a Magnetic Field that Separate in Cartesian Coordinates
Intersections of Hypersurfaces and Ring of Conditions of a Spherical Homogeneous Space
Legendrian DGA Representations and the Colored Kauffman Polynomial
Finite-Dimensional Irreducible Modules of the Racah Algebra at Characteristic Zero
A Faithful Braid Group Action on the Stable Category of Tricomplexes
Geometric Approach to Quantum Theory
Collapsed Ricci Limit Spaces as Non-Collapsed ${\rm RCD}$ Spaces
Counting Periodic Trajectories of Finsler Billiards
On the 80th Birthday of Dmitry Borisovich Fuchs
Horospherical Cauchy Transform on Some Pseudo-Hyperbolic Spaces
Presentations of Cluster Modular Groups and Generation by Cluster Dehn Twists
Virtual Classes for the Working Mathematician
Bach Flow on Homogeneous Products
Exponents Associated with $Y$-Systems and their Relationship with $q$-Series
Non-Abelian Hodge Theory and Related Topics
NNSC-Cobordism of Bartnik Data in High Dimensions
Permutation-Equivariant Quantum K-Theory X. Quantum Hirzebruch–Riemann–Roch in Genus 0
Global Mirrors and Discrepant Transformations for Toric Deligne–Mumford Stacks
Nonnegative Scalar Curvature and Area Decreasing Maps
Breathing Modes, Quartic Nonlinearities and Effective Resonant Systems
Duality for Knizhnik–Zamolodchikov and Dynamical Operators
Note on the Retarded van der Waals Potential within the Dipole Approximation
An Infinite-Dimensional $\square_q$-Module Obtained from the $q$-Shuffle Algebra for Affine $\mathfrak{sl}_2$
Quantum Statistical Mechanics of the Absolute Galois Group
Representations and Conjugacy Classes of Semisimple Quasitriangular Hopf Algebras
Local Moduli of Semisimple Frobenius Coalescent Structures
Generalized B-Opers
Is There an Analytic Theory of Automorphic Functions for Complex Algebraic Curves?
Isomorphism between the $R$-Matrix and Drinfeld Presentations of Quantum Affine Algebra: Types $B$ and $D$
Higher Rank $\hat{Z}$ and $F_K$
A Lightcone Embedding of the Twin Building of a Hyperbolic Kac–Moody Group
Routh Reduction of Palatini Gravity in Vacuum
New Separation of Variables for the Classical XXX and XXZ Heisenberg Spin Chains
Triply Periodic Monopoles and Difference Modules on Elliptic Curves
Reddening Sequences for Banff Quivers and the Class $\mathcal{P}$
On the Notion of Noncommutative Submanifold
Dual Invertible Polynomials with Permutation Symmetries and the Orbifold Euler Characteristic
On the Extended-Hamiltonian Structure of Certain Superintegrable Systems on Constant-Curvature Riemannian and Pseudo-Riemannian Surfaces
Addition of Divisors on Hyperelliptic Curves via Interpolation Polynomials
Reduced Forms of Linear Differential Systems and the Intrinsic Galois–Lie Algebra of Katz
A Note on Disk Counting in Toric Orbifolds
New Explicit Lorentzian Einstein–Weyl Structures in 3-Dimensions
On Frobenius' Theta Formula
On the Number of $\tau$-Tilting Modules over Nakayama Algebras
Mirror Symmetry for Nonabelian Landau–Ginzburg Models
Multi-Component Extension of CAC Systems
Noncommutative Residue and Canonical Trace on Noncommutative Tori. Uniqueness Results
Contingency Tables with Variable Margins (with an Appendix by Pavel Etingof)
The Elliptic Painlevé Lax Equation vs. van Diejen's $8$-Coupling Elliptic Hamiltonian
The Bochner Technique and Weighted Curvatures
Solvable Lie Algebras of Vector Fields and a Lie's Conjecture
Dendriform Algebras Relative to a Semigroup
Cyclic Sieving and Cluster Duality of Grassmannian
Gromov Rigidity of Bi-Invariant Metrics on Lie Groups and Homogeneous Spaces
On the Irreducibility of Some Quiver Varieties
Motivic Donaldson–Thomas Invariants of Parabolic Higgs Bundles and Parabolic Connections on a Curve
Evaluations of Noncommutative Polynomials on Algebras: Methods and Problems, and the L'vov–Kaplansky Conjecture
Barnes–Ismagilov Integrals and Hypergeometric Functions of the Complex Field
Nonstandard Quantum Complex Projective Line
The Endless Beta Integrals
The Racah Algebra as a Subalgebra of the Bannai–Ito Algebra
Elliptic and $q$-Analogs of the Fibonomial Numbers
Twisted Representations of Algebra of $q$-Difference Operators, Twisted $q$-$W$ Algebras and Conformal Blocks
The Fundamental Groups of Open Manifolds with Nonnegative Ricci Curvature
Admissible Boundary Values for the Gerdjikov–Ivanov Equation with Asymptotically Time-Periodic Boundary Data
Modular Construction of Free Hyperplane Arrangements
Integral Structure for Simple Singularities
On the Unbounded Picture of $KK$-Theory
On Products of Delta Distributions and Resultants
Branching Rules for Koornwinder Polynomials with One Column Diagrams and Matrix Inversions
A Fock Model and the Segal–Bargmann Transform for the Minimal Representation of the Orthosymplectic Lie Superalgebra $\mathfrak{osp}(m,2|2n)$
Uniform Lower Bound for Intersection Numbers of $\psi$-Classes
Perturbed $(2n-1)$-Dimensional Kepler Problem and the Nilpotent Adjoint Orbits of $U(n, n)$
Multidimensional Matrix Inversions and Elliptic Hypergeometric Series on Root Systems
Simple Vectorial Lie Algebras in Characteristic 2 and their Superizations
About Bounds for Eigenvalues of the Laplacian with Density
The Causal Action in Minkowski Space and Surface Layer Integrals
On the Generalized Cluster Algebras of Geometric Type
Feature Matching and Heat Flow in Centro-Affine Geometry
On Abelianity Lines in Elliptic $W$-Algebras
Covariant vs Contravariant Methods in Differential Geometry
Torus-Equivariant Chow Rings of Quiver Moduli
Differential Calculus of Hochschild Pairs for Infinity-Categories
Twisted Hochschild Homology of Quantum Flag Manifolds and Kähler Forms
Dihedral Rigidity of Parabolic Polyhedrons in Hyperbolic Spaces
A Riemann–Hilbert Approach to Asymptotic Analysis of Toeplitz+Hankel Determinants
A Combinatorial Description of Certain Polynomials Related to the XYZ Spin Chain
Triangle Groups: Automorphic Forms and Nonlinear Differential Equations
Symmetries of the Simply-Laced Quantum Connections and Quantisation of Quiver Varieties
Conjectures and Open Questions on the Structure and Regularity of Spaces with Lower Ricci Curvature Bounds
Basic Properties of Non-Stationary Ruijsenaars Functions
Walls for $G$-Hilb via Reid's Recipe
Quasi-Invariants in Characteristic $p$ and Twisted Quasi-Invariants
Controlled Loewner–Kufarev Equation Embedded into the Universal Grassmannian
Real Part of Twisted-by-Grading Spectral Triples
Flat Structure on the Space of Isomonodromic Deformations
Elliptic Double Affine Hecke Algebras
Yangian of the General Linear Lie Superalgebra
$q$-Difference Systems for the Jackson Integral of Symmetric Selberg Type
The Measure Preserving Isometry Groups of Metric Measure Spaces
The Full Symmetric Toda Flow and Intersections of Bruhat Cells
Non-Stationary Ruijsenaars Functions for $\kappa=t^{-1/N}$ and Intertwining Operators of Ding–Iohara–Miki Algebra
A Gneiting-Like Method for Constructing Positive Definite Functions on Metric Spaces
New Pieri Type Formulas for Jack Polynomials and their Applications to Interpolation Jack Polynomials
Counting Collisions in an $N$-Billiard System Using Angles Between Collision Subspaces
Gauss Coordinates vs Currents for the Yangian Doubles of the Classical Types
Obstructions for Symplectic Lie Algebroids
An Analog of Leclerc's Conjecture for Bases of Quantum Cluster Algebras
Collapsing Geometry with Ricci Curvature Bounded Below and Ricci Flow Smoothing
Further Results on a Function Relevant for Conformal Blocks
A Map Between Moduli Spaces of Connections
Small Gauge Transformations and Universal Geometry in Heterotic Theories
Width, Largeness and Index Theory
Defining Pointwise Lower Scalar Curvature Bounds for $C^0$ Metrics with Regularization by Ricci Flow
Positive Scalar Curvature due to the Cokernel of the Classifying Map
Cyclic Sieving for Plane Partitions and Symmetry
Inscribed Radius Bounds for Lower Ricci Bounded Metric Measure Spaces with Mean Convex Boundary
Perfect Integrability and Gaudin Models
Determinantal Expressions in Multi-Species TASEP
Knot Complement, ADO Invariants and their Deformations for Torus Knots
Toward Classification of 2nd Order Superintegrable Systems in 3-Dimensional Conformally Flat Spaces with Functionally Linearly Dependent Symmetry Operators
On the $2$-Systole of Stretched Enough Positive Scalar Curvature Metrics on $\mathbb{S}^2\times\mathbb{S}^2$
Hom-Lie Algebras and Hom-Lie Groups, Integration and Differentiation
Snake Graphs from Triangulated Orbifolds
Exact Formulas of the Transition Probabilities of the Multi-Species Asymmetric Simple Exclusion Process
An Explicit Example of Polynomials Orthogonal on the Unit Circle with a Dense Point Spectrum Generated by a Geometric Distribution
Extension Quiver for Lie Superalgebra $\mathfrak{q}(3)$
An Elliptic Hypergeometric Function Approach to Branching Rules
Riemannian Geometry of a Discretized Circle and Torus
Solitons of Some Nonlinear Sigma-Like Models
Representations of Quantum Affine Algebras in their $R$-Matrix Realization
The Noncommutative Geometry of the Landau Hamiltonian: Metric Aspects