Thematic Sessions
Confirmed
Thematic Session 1
| Session 1 - Recent Developments on Integrable Systems and Soliton Models Organizers: Priscila Leal da Silva (UFSCar, Brazil), Igor Freire (UFSCar, Brazil), Zhijun Qiao (UTRGV, USA) | ||
| 19 August 2026 Wednesday (Room A241) | 20 August 2026 Thursday (Room A132) | |
|---|---|---|
| 16:30-17:05 | Zhijun Qiao Peakon and Beyond I: Scalar Form | Enrique Reyes The initial value problem of the KP hierarchy |
| 17:05-17:40 | Wagner Cortes Differential Calculus on the ring of generalized Colombeau numbers and results in ordinary differential equations | Fabio Natali Instability of the peaked traveling wave in a local model for shallow water waves |
| 17:40-18:15 | Luiz Agostinho Ferreira The hidden symmetries of Yang-Mills theory in (3 + 1)-dimensions. | Mahendra Prasad Panthee On the well-posedness of the initial value problem for the MMT model |
| 18:15-18:50 | Shuxia Li Lax Algebraic Representation for a Integrable Hierarchy | Igor Leite Freire Cauchy Problems Describing Pseudospherical Surfaces |
| 18:50-19: | Priscila Leal da Silva Explicit solutions for a Novikov equation | |
Thematic Session 2
| Session 2 - Nonlinear Partial Differential Equations and Regularity Theory Organizers: Jiazheng Zhou (UNB, Brazil), Jefferson Abrantes Santos (UFCG, Brazil), Zhizhang Wang (Fudan University, China) | ||
| 19 August 2026 Wednesday (Room A243) | 20 August 2026 Thursday (Room A242) | |
|---|---|---|
| 16:30-17:00 | Zhizhang Wang Inverse Hessian curvature flow in Minkowski space | Ma Tu Fo On a nonvariational fourth order elliptic problem |
| 17:00-17:30 | Carlos Alberto Pereira dos Santos About positive solutions to degenerated logistic quasilinear-Schrödinger and Carrier problems | Gustavo Ferron A Critical Neumann problem with anisotropic p-Laplacian |
| 17:30-18:00 | Luis Henrique Miranda Some aspects of regularity of solutions for certain elliptic systems | Pedro Fellype Pontes Regularity theory of almost-minimizers for vectorial functionals of Bernoulli-type |
| 18:00-18:30 | João Vitor da Silva Lipschitz regularity estimates of almost-minimizers for Alt–Caffarelli functionals with non-standard growth | Jiazheng Zhou Positive normalized solutions to a singular elliptic equation with a L2-supercritical nonlinearity |
| 18:30-19:00 | Tao Feng Isolated Singularities in Hartree-Type Equations | Jefferson Abrantes Santos Rigidity for Non-Uniformly Elliptic Equations in Planar Strip Domains |
Thematic Session 3
| Session 3 - Dynamical systems and ergodic theory Organizers: Anish Ghosh (Tata Institute of Fundamental Research, India), Yuri Lima (USP, Brazil) | ||
| 19 August 2026 Wednesday (Room A252) | 20 August 2026 Thursday (Room A243) | |
|---|---|---|
| 16:30-17:10 | André de Carvalho Surface dynamics and 3D geometry and topology: the horseshoe and its geometric limits | Chaitanya Tappu Mapping Class Group invariant metrics on the Marked Moduli Space |
| 17:00-17:30 | Anindya Chanda Sphere-filling Curves: from Cannon-Thurston Construction to Anosov-like Actions | Rodolfo Gutiérrez-Romo Conjugacy of affine extensions of interval exchange transformations |
| 17:30-18:00 | Break | |
| 18:00-18:40 | Vaibhav Gadre Theta simplicity of Lyapunov exponents for the diagonal flow on moduli spaces of flat surfaces | Fan Yang Margulis-like measures on expanding foliations: construction and rigidity |
| 18:40-19:20 | Carlos Matheus Euler characteristics of SL(2,Z)-orbit graphs of origamis of low genera | |
Thematic Session 4
| Session 4 - Finite Fields and Applications Organizers: Cícero Carvalho (Universidade Federal de Uberlândia, Brazil), Sudhir Ghorpade (Indian Institute of Technology Bombay, India), Luciane Quoos (Universidade Federal do Rio de Janeiro, Brazil) | ||
| 19 August 2026 Wednesday (Room A259) | 20 August 2026 Thursday (Room A259) | |
|---|---|---|
| 16:30-17:00 | Rodrigo Salomao On singular and maximal curves over finite fields | Anuradha Sharma* Linear codes from simplicial complexes: Constructions and Applications |
| 17:00-17:30 | César Polcino A survey on recent results on the applications of group algebras to Coding Theory | Pietro Speziali* Towards the classification of algebraic curves with transitive actions on Weierstrass points |
| 17:30-18:00 | Break | |
| 18:00-18:30 | Lucas Reis Polynomials that are free of binomials | Nazar Arakelian* Curves on Frobenius nonclassical loci of hypersurfaces |
| 18:30-19:00 | Luciane Quoos A closed formula for the Geil-Matsumoto bound | Minjia Shi The weight spectrum cardinality theory of linear codes |
| 19:00-19:30 | Sudhir R. Ghorpade Schubert varieties and linear codes | Lingfei Jin A general framework of non-Reed-Solomon MDS Codes |
Speakers marked with * will give online talks
Thematic Session 5
| Session 5 - Stochastic Processes on Graphs and Networks Organizers: Anatoli Iambartsev (USP, Brazil), Fábio Machado (USP, Brazil) | ||
| 19 August 2026 Wednesday (Room A266) | 20 August 2026 Thursday (Room A267) | |
|---|---|---|
| 16:30-17:00 | Saye Khaniha Hierarchical Clustering Algorithms on Point Processes | Pablo Gomes The Truncation Question in Percolation of Words |
| 17:00-17:30 | Conrado Costa Passage Times for Partially Homogeneous Reflected Random Walks on the Quadrant | José Hermenegildo The Frog Model on Z with discrete Weibull lifetimes and random parameter p |
| 17:30-18:00 | Artem Logachev Strong Laws of Large Numbers for Random Variables Satisfying a Pairwise ρ-Mixing Condition | Lucas Lima Refinements of the Asymptotic Shape Theorem and Coexistence of Species on Random Geometric Graphs |
| 18:00-18:30 | Gustavo de Carvalho Coverage properties for the frog model on complete graphs | Shangjie Yang Cutoff of the simple exclusion process with inhomogeneous conductances |
Thematic Session 6
| Session 6 - Mathematical and Computational Modeling Organizers: Yulia Petrova (USP, Brazil), Maicon Ribeiro Correa (USP, Brazil), Lucas Franceschini (USP, Brazil), Joao G. C. Steinstrasser (USP, Brazil) | ||
| 19 August 2026 Wednesday (Room A268) | 20 August 2026 Thursday (Room A268) | |
|---|---|---|
| 16:30-17:00 | Lívia Souza Freire New paradigms for turbulent flow modeling: stochastic mapping and resolvent analysis | Sergey Tikhomirov Fingering phenomenon in unstable displacement in porous media |
| 17:00-17:30 | Ciro Campolina The infinite-Reynolds limit of the 2D Navier–Stokes equations with no-slip boundaries | Tatiana Danelon Modeling nanoparticle-stabilized foam flow in porous media: Mathematical analysis and uncertainty quantification |
| 17:30-18:00 | Giovanni Taraschi On the application of goal-oriented error estimation to Mixed Finite Element methods | Fabrício Simeoni de Souza Efficient multiscale preconditioners for subsurface flow in porous media |
| 18:00-18:15 | Break | |
| 18:15-18:45 | Alexandre Kawano An Inverse Problem for Source Identification in a Coupled Acoustic Fluid–Euler–Bernoulli Beam Model | Alfredo Gay Neto Contact modeling with the master-master approach and applications |
| 18:45-19:15 | Nelson Kuhl An all-at-once formulation for the electrical resistivity problem | Geovane Haveroth Topology Optimization for Additive Manufacturing: Design and Fabrication |
Thematic Session 7
| Session 7 - Symposium on Contemporary Differential Geometry at USP Organizers: Marcos M. Alexandrino (Universidade de São Paulo, Brazil) | ||
| 19 August 2026 Wednesday (Antonio Gilioli Auditorium) | 20 August 2026 Thursday (Antonio Gilioli Auditorium) | |
|---|---|---|
| 16:30-17:00 | Xiaobo Liu Mean Curvature Flow for Isoparametric Submanifolds in Hyperbolic Spaces | Ivan Struchiner Lie Theory and Cartan's Realization Problem |
| 17:00-17:30 | ||
| 17:30-18:00 | Marcelo Atallah C⁰-rigidity of the Hamiltonian diffeomorphism group of symplectic rational surfaces | Patrícia Marçal When is a singular Finsler foliation actually Riemannian? The case of $(\alpha,\beta)$ spaces |
| 18:00-18:30 | ||
| 18:30-19:00 | Leonardo Biliotti Reduction Principles for Proper Actions. | Clarice de Souza Ferreira Netto Multiplicative sections of CA-groupoids |
| 19:00-19:30 | ||
