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Geodesic


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Forum of Mathematics, Sigma
Tome 11 (2023)
Précédent Suivant


Branch points for (almost-)minimizers of two-phase free boundary problems
Guy David ; Max Engelstein ; Mariana Smit Vega Garcia ; Tatiana Toro

Double coset Markov chains
Persi Diaconis ; Arun Ram ; Mackenzie Simper

Equivariant Brill–Noether theory for elliptic operators and superrigidity of J-holomorphic maps
Aleksander Doan ; Thomas Walpuski

Virasoro constraints for moduli spaces of sheaves on surfaces
Dirk van Bree

Generalized Bockstein maps and Massey products
Yeuk Hay Joshua Lam ; Yuan Liu ; Romyar Sharifi ; Preston Wake ; Jiuya Wang

Noninjectivity of the cycle class map in continuous $\ell $-adic cohomology
Federico Scavia ; Fumiaki Suzuki

Effective characterization of quasi-abelian surfaces
Margarida Mendes Lopes ; Rita Pardini ; Sofia Tirabassi

Automorphy lifting with adequate image
Konstantin Miagkov ; Jack A. Thorne

Mutation-finite quivers with real weights
Anna Felikson ; Pavel Tumarkin

Ramsey numbers of cycles versus general graphs
John Haslegrave ; Joseph Hyde ; Jaehoon Kim ; Hong Liu

On Duclos–Exner’s conjecture about waveguides in strong uniform magnetic fields
Enguerrand Bon-Lavigne ; Loïc Le Treust ; Nicolas Raymond ; Julien Royer

Grassmanniennes affines tordues sur les entiers
João Lourenço

Structure of blocks with normal defect and abelian $p'$ inertial quotient
David Benson ; Radha Kessar ; Markus Linckelmann

Heights on stacks and a generalized Batyrev–Manin–Malle conjecture
Jordan S. Ellenberg ; Matthew Satriano ; David Zureick-Brown

On the derived Lusztig correspondence
Gérard Laumon ; Emmanuel Letellier

Decompositions of moduli spaces of vector bundles and graph potentials
Pieter Belmans ; Sergey Galkin ; Swarnava Mukhopadhyay

Global Asymptotics of the Sixth Painlevé Equation in Okamoto’s Space
Viktoria Heu ; Nalini Joshi ; Milena Radnović

Albert algebras over $\mathbb {Z}$ and other rings
Skip Garibaldi ; Holger P. Petersson ; Michel L. Racine

On $\omega $-Strongly Measurable Cardinals
Omer Ben-Neria ; Yair Hayut

Approximate and discrete Euclidean vector bundles
Luis Scoccola ; Jose A. Perea

Extremal Gromov-Witten invariants of the Hilbert scheme of $3$ Points
Jianxun Hu ; Zhenbo Qin

Negative moments of orthogonal polynomials
Jihyeug Jang ; Donghyun Kim ; Jang Soo Kim ; Minho Song ; U-Keun Song

Stability for the Erdős-Rothschild problem
Oleg Pikhurko ; Katherine Staden

Minimal Euler characteristics for even-dimensional manifolds with finite fundamental group
Alejandro Adem ; Ian Hambleton

Biharmonic almost complex structures
Weiyong He

An extension of Venkatesh’s converse theorem to the Selberg class
Andrew R. Booker ; Michael Farmer ; Min Lee

A generalization of Kruskal’s theorem on tensor decomposition
Benjamin Lovitz ; Fedor Petrov

Grassmanniennes affines tordues sur les entiers – CORRIGENDUM
João Lourenço

Wonderful compactifications and rational curves with cyclic action
Emily Clader ; Chiara Damiolini ; Shiyue Li ; Rohini Ramadas

Bordered Floer homology and contact structures
Akram Alishahi ; Viktória Földvári ; Kristen Hendricks ; Joan Licata ; Ina Petkova ; Vera Vértesi

Deformations of arcs and comparison of formal neighborhoods for a curve singularity
David Bourqui ; Mario Morán Cañón

Fluctuations for Some Nonstationary Interacting Particle Systems via Boltzmann–Gibbs Principle
Kevin Yang

On the connectedness principle and dual complexes for generalized pairs
Stefano Filipazzi ; Roberto Svaldi

Thurston’s fragmentation and c-principles
Sam Nariman

Deformations of Log Terminal and Semi Log Canonical Singularities
Kenta Sato ; Shunsuke Takagi

On sets with unit Hausdorff density in homogeneous groups
Antoine Julia ; Andrea Merlo

Superscars for arithmetic point scatters II
Pär Kurlberg ; Stephen Lester ; Lior Rosenzweig

Angehrn-Siu-Helmke’s method applied to abelian varieties
Zhi Jiang

Chaotic tracial dynamics
Bhishan Jacelon

Groups of symplectic involutions on symplectic varieties of Kummer type and their fixed loci
Sarah Frei ; Katrina Honigs

Efficient simplicial replacement of semialgebraic sets
Saugata Basu ; Negin Karisani

Remark on complements on surfaces
Jihao Liu

Simple fibrations in $(1,2)$-surfaces
Stephen Coughlan ; Roberto Pignatelli

Geometrical sets with forbidden configurations
Davi Castro-Silva

Small elementary components of Hilbert schemes of points
Matthew Satriano ; Andrew P. Staal

Multiple generalized cluster structures on $D(\mathrm {GL}_n)$
Dmitriy Voloshyn

q-deformed rational numbers and the 2-Calabi–Yau category of type $A_{2}$
Asilata Bapat ; Louis Becker ; Anthony M. Licata

On Sarnak’s Density Conjecture and Its Applications
Konstantin Golubev ; Amitay Kamber

Optimal parabolic upper bound for the energy-momentum relation of a strongly coupled polaron
David Mitrouskas ; Krzysztof Myśliwy ; Robert Seiringer

Semidistrim Lattices
Colin Defant ; Nathan Williams

Weighted Hodge ideals of reduced divisors
Sebastián Olano

Nonemptiness of severi varieties on enriques surfaces
Ciro Ciliberto ; Thomas Dedieu ; Concettina Galati ; Andreas Leopold Knutsen

On Bloch’s map for torsion cycles over non-closed fields
Theodosis Alexandrou ; Stefan Schreieder

Finite subgroups of automorphisms of K3 surfaces
Simon Brandhorst ; Tommy Hofmann

Quartic and Quintic Hypersurfaces with Dense Rational Points
Alex Massarenti

Beltrami fields exhibit knots and chaos almost surely
Alberto Enciso ; Daniel Peralta-Salas ; Álvaro Romaniega

Bohr sets in sumsets II: countable abelian groups
John T. Griesmer ; Anh N. Le ; Thái Hoàng Lê

Sparse analytic systems
Brent Cody ; Sean Cox ; Kayla Lee

Expanding measures: Random walks and rigidity on homogeneous spaces
Roland Prohaska ; Cagri Sert ; Ronggang Shi

Weights in a Benson-Solomon block
Justin Lynd ; Jason Semeraro

Quantum systems at the brink: existence of bound states, critical potentials, and dimensionality
Dirk Hundertmark ; Michal Jex ; Markus Lange

The eleventh cohomology group of $\overline {\mathcal {M}}_{g,n}$
Samir Canning ; Hannah Larson ; Sam Payne

MacMahon’s statistics on higher-dimensional partitions
Alimzhan Amanov ; Damir Yeliussizov

Decidability of the class of all the rings $\mathbb {Z}/m\mathbb {Z}$: A problem of Ax
Jamshid Derakhshan ; Angus Macintyre

Remixed Eulerian numbers
Philippe Nadeau ; Vasu Tewari

Homological Bondal-Orlov localization conjecture for rational singularities
Mirko Mauri ; Evgeny Shinder

When are the natural embeddings of classical invariant rings pure?
Melvin Hochster ; Jack Jeffries ; Vaibhav Pandey ; Anurag K. Singh

Uniform spectral gap and orthogeodesic counting for strong convergence of Kleinian groups
Beibei Liu ; Franco Vargas Pallete

The aromatic bicomplex for the description of divergence-free aromatic forms and volume-preserving integrators
Adrien Laurent ; Robert I. McLachlan ; Hans Z. Munthe-Kaas ; Olivier Verdier

The maximal size of a minimal generating set
Scott Harper

Ulrich modules and weakly lim Ulrich sequences do not always exist
Farrah C. Yhee

On the kernel of the $(\kappa ,a)$-Generalized fourier transform
Dmitry Gorbachev ; Valerii Ivanov ; Sergey Tikhonov

Nonsolidity of uniruled varieties
Livia Campo ; Tiago Duarte Guerreiro

Gaussian fluctuations in the equipartition principle for Wigner matrices
Giorgio Cipolloni ; László Erdős ; Joscha Henheik ; Oleksii Kolupaiev

Cusps, Kleinian groups, and Eisenstein series
Beibei Liu ; Shi Wang

Estimates for evolutionary partial differential equations in classical function spaces
Alejandro J. Castro ; Anders Israelsson ; Wolfgang Staubach ; Madi Yerlanov

A rigorous derivation of the Hamiltonian structure for the Vlasov equation
Joseph K. Miller ; Andrea R. Nahmod ; Nataša Pavlović ; Matthew Rosenzweig ; Gigliola Staffilani

Rotor-Routing Induces the Only Consistent Sandpile Torsor Structure on Plane Graphs
Ankan Ganguly ; Alex McDonough

Żuk’s criterion for Banach spaces and random groups
Izhar Oppenheim

The expected nodal volume of non-Gaussian random band-limited functions, and their doubling index
Andrea Sartori ; Igor Wigman

Derived Category and ACM Bundles of Moduli Space of Vector Bundles on a Curve
Kyoung-Seog Lee ; Han-Bom Moon

A combinatorial model for the transition matrix between the Specht and $\operatorname {SL}_2$-web bases
Byung-Hak Hwang ; Jihyeug Jang ; Jaeseong Oh

Stability for hyperbolic groups acting on boundary spheres
Kathryn Mann ; Jason Fox Manning

Tower Gaps in Multicolour Ramsey Numbers
Quentin Dubroff ; António Girão ; Eoin Hurley ; Corrine Yap

Collapse and diffusion in harmonic activation and transport
Jacob Calvert ; Shirshendu Ganguly ; Alan Hammond

A lattice theoretical interpretation of generalized deep holes of the Leech lattice vertex operator algebra
Ching Hung Lam ; Masahiko Miyamoto

Calabi–Yau structures on (quasi-)bisymplectic algebras
Tristan Bozec ; Damien Calaque ; Sarah Scherotzke

Smooth Compactifications of the Abel-Jacobi Section
Sam Molcho

Hensel minimality II: Mixed characteristic and a diophantine application
Raf Cluckers ; Immanuel Halupczok ; Silvain Rideau-Kikuchi ; Floris Vermeulen

Algebraic relations among Goss’s zeta values on elliptic curves
Nathan Green ; Tuan Ngo Dac

Concentration of closed geodesics in the homology of modular curves
Asbjørn Christian Nordentoft

Perverse sheaves on Riemann surfaces as Milnor sheaves
Tobias Dyckerhoff ; Mikhail Kapranov ; Yan Soibelman

K-stability of birationally superrigid Fano 3-fold weighted hypersurfaces
In-Kyun Kim ; Takuzo Okada ; Joonyeong Won

Asymptotics of pure dimer coverings on rail yard graphs
Zhongyang Li ; Mirjana Vuletić

Rainbow spanning structures in graph and hypergraph systems
Yangyang Cheng ; Jie Han ; Bin Wang ; Guanghui Wang

Low complexity subshifts have discrete spectrum
Darren Creutz ; Ronnie Pavlov

Prefix monoids of groups and right units of special inverse monoids
Igor Dolinka ; Robert D. Gray

Post-Lie algebras in Regularity Structures
Yvain Bruned ; Foivos Katsetsiadis

From topological recursion to wave functions and PDEs quantizing hyperelliptic curves
Bertrand Eynard ; Elba Garcia-Failde

Double Schubert polynomials do have saturated Newton polytopes
Federico Castillo ; Yairon Cid-Ruiz ; Fatemeh Mohammadi ; Jonathan Montaño

Length functions in Teichmüller and anti-de Sitter geometry
Filippo Mazzoli ; Gabriele Viaggi

Equidimensionality of universal pseudodeformation rings in characteristic p for absolute Galois groups of p-adic fields
Gebhard Böckle ; Ann-Kristin Juschka

$\mathbf {\Sigma }_1$-definability at higher cardinals: Thin sets, almost disjoint families and long well-orders
Philipp Lücke ; Sandra Müller

Stability conditions for polarised varieties
Ruadhaí Dervan

t-Design Curves and Mobile Sampling on the Sphere
Martin Ehler ; Karlheinz Gröchenig

On the nilpotent orbit theorem of complex variations of Hodge structure
Ya Deng

Thermalization in Kitaev’s quantum double models via tensor network techniques
Angelo Lucia ; David Pérez-García ; Antonio Pérez-Hernández

Categorical and K-theoretic Donaldson–Thomas theory of $\mathbb {C}^3$ (part II)
Tudor Pădurariu ; Yukinobu Toda

A question of Frohardt on $2$-groups, skew translation quadrangles of even order and cyclic STGQs
Koen Thas

Gluing approximable triangulated categories
Jesse Burke ; Amnon Neeman ; Bregje Pauwels

Two-variable fibrations, factorisation systems and $\infty $-categories of spans
Rune Haugseng ; Fabian Hebestreit ; Sil Linskens ; Joost Nuiten

The Spectral Gap and Low-Energy Spectrum in Mean-Field Quantum Spin Systems
Chokri Manai ; Simone Warzel

Persistence and the Sheaf-Function Correspondence
Nicolas Berkouk

Counting geodesics of given commutator length
Viveka Erlandsson ; Juan Souto

Lim Ulrich sequences and Boij-Söderberg cones
Srikanth B. Iyengar ; Linquan Ma ; Mark E. Walker

E-Polynomials of Generic $\mathbf {\operatorname {\mathrm {GL}}_n\rtimes \!\!\sigma \!>\!}~$-Character Varieties: Branched Case
Cheng Shu
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