2025

IMAG Functional Analysis Seminar Title: El teorema de Rademacher en espacios métricos. By Iván Caamaño (IMPAM, Poland) Abstract: En esta charla abordaremos diferentes variantes del teorema clásico de Rademacher en el contexto de espacios de medida métricos. Se revisarán brevemente algunos de los resultados fundamentales de Kirchheim y Cheeger enContinue Reading

📅 jueves 18 de diciembre — 13:00 📍 Aula A25, Facultad de Ciencias 👤Conferenciante: Umberto Zerbinati (University of Oxford) 📖 Título: New Challenges in the Kinetic Theory of Complex Fluids 📄 Resumen: In this talk, I will present a unified kinetic framework for ordered fluids – continuum systems whose elementsContinue Reading

📅 jueves 11 de diciembre — 13:00 📍 Aula A25, Facultad de Ciencias 👤Conferenciante: Javier Peñafiel (ICMAT) 📖 Título: Topology of weak solutions in fluid mechanics 📄 Resumen: In this talk we will explore the role of topology in low-regularity fields describing fluids and plasmas. First, I will show that,Continue Reading

Seminario de jóvenes investigadores Fecha y hora: martes 9 de diciembre, 10:00 Lugar: Seminario 2, IMAG Ponente: Niccolô Tassi (Universidad de Granada) Title: Asymptotic behaviour of Nonlocal and Kinetic equations Abstract: Understanding the long-time dynamics of partial differential equations is essential for predicting how these models evolve, assessing their stability,Continue Reading

IMAG Functional Analysis Seminar Title: M-ideals of compact operators By Manwook Han (Chungbuk National University, Republic of Korea) Abstract: A closed subspace J of a Banach space X is called an M-ideal if and only if X^* = J^* \oplus_1 J^{\perp}. Note that if X = J \oplus_{\infty} J′, forContinue Reading

IMAG Functional Analysis Seminar Title: Dynamical properties of weighted shifts on sequence spaces By Tomáš Raunig (Charles University, Czech Republic) Abstract: In this talk, we will explore dynamical properties of weighted shifts on sequence spaces, a central class of operators in linear dynamics. After a brief overview of linear dynamicsContinue Reading

📅 jueves 27 de noviembre — 13:00 📍 Aula A13, Facultad de Ciencias 👤Conferenciante: Miles H. Wheeler (University of Bath) 📖 Título: Overhanging solitary water waves 📄 Resumen: We construct gravity water waves with constant vorticity having the approximate shape of a disk joined to a strip by a thinContinue Reading

IMAG Functional Analysis Seminar Title: On some geometric properties of Banach spaces By Joanna Markowicz (University of the National Education Commission, Krakow, Poland) Abstract: The aim of the talk will be to present some results concerning selected properties of direct sums of Banach spaces and their applications. Among those propertiesContinue Reading

📅 martes 18 de noviembre — 13:00 📍 Aula A25, Facultad de Ciencias 👤Conferenciante: Roman Shvydkoy (University of Illinois at Chicago) 📖 Título: On regularity and asymptotics of kinetic alignment models 📄 Resumen: In this talk we discuss wellposedness, regularization, and relaxation for a broad class of Fokker-Planck-Alignment models which appearContinue Reading

Title: Index, nullity and other topics for minimal surface doublings By: Nicolaos Kapouleas Abstract: I will discuss recent and ongoing work in these directions, including results with J. Zou on index and nullity, and results with P. McGrath on Yau questions.Continue Reading

IMAG Functional Analysis Seminar Title: Bohr’s inequalities on a bounded balanced domain By Tatsuhiro Honda (Senshu University, Japan) Abstract: In 1914, H. Bohr proved that if the power series \(f(\zeta)=\sum_{j=0}^{\infty}a_j\zeta^j\) converges in \(\mathbb{U}\), where (\mathbb{U}\) is the unit disc in \(\mathbb{C}\), and \(|f(\zeta)|<1\) holds for all \(\zeta \in \mathbb{U}\), thenContinue Reading

IMAG Functional Analysis Seminar Title: Radio grande versus diámetro pequeño By Esteban Martínez Vañó (UGR) Abstract: En este seminario construiremos un ejemplo de un espacio de Banach donde todos los abiertos débiles de su bola unidad tienen radio uno, el máximo posible, pero en el cuál existen slices de suContinue Reading

Seminario de Ecuaciones Diferenciales 📅 jueves 30 de octubre— 13:00 📍 Aula A25, Facultad de Ciencias 👤Conferenciante: Juan Silverio Martínez (Universidad de Granada) 📖 Título: Regularity of semi-stable solutions of a generalized Hardy-Henon equation on the ball 📄 Resumen: AbstractContinue Reading

Conferencia: 12 horas día 29 de octubre (Sala de Conferencias, IMAG) Conferenciante: Dmitriy Kim, Kazakh National University, Kazakhstan Título: Ruin probability for a process with switching Short bio: Dmitriy Kim received the Bachelor degree in mathematics from Kazakh National University, Kazakhstan, in 2000, the Master’s and Doctoral degrees in probabilityContinue Reading

Seminario de Geometría Conferenciantes: Francisco Torralbo y José María Espinar Título: Usos de ChatGPT en el aula. Dos casos concretosContinue Reading

IMAG Functional Analysis Seminar Title: Tingley’s Problem(s): Positive answers and insightful results By Pedro Saavedra Ortiz (UGR) Abstract: Banach spaces play a key role in mathematics due to their structural richness and wide applications. Classical results link isometries of normed spaces, unit balls, and spheres to linear isometries, with Tingley’sContinue Reading

IMAG Functional Analysis Seminar Title: The Daugavet property is equivalent to the polynomial Daugavet property By Sheldon Dantas (UGR) Abstract: In this talk we will show that the Daugavet property implies the polynomial Daugavet property. The central argument relies on a geometric characterization due to Shvidkoy: we will prove thatContinue Reading

IMAG Functional Analysis Seminar Title: El problema de Mackey-Gleason-Bunce-Wright: Morfismos de estructuras unitarias By Gerardo Martín Escolano (UGR) Abstract: En esta charla hablaremos sobre la reciente resolución del problema de Mackey-Gleason-Bunce-Wright y su aplicación en el estudio los llamados “piecewise Jordan homomorphisms” sobre el conjunto de unitarios de una JBW$^*$-álgebra.Continue Reading

IMAG Functional Analysis Seminar Title: ¿Podemos elegir no elegir en análisis funcional? By Esteban Martínez Vañó (UGR) Abstract: En esta charla exploraremos las relaciones entre el axioma de elección (o versiones débiles del mismo) y los teoremas clásicos del análisis funcional mostrando que no nos queda otra opción que “elegirContinue Reading

IMAG Functional Analysis Seminar Title: Points of continuity in Lipschitz-free spaces By Yoël Perreau (University of Tartu, Estonia) Abstract: In this talk, I will present some recent results about points of (weak-to-norm) continuity in Lipschitz-free spaces. After recalling some general facts about this notion in Banach spaces, I will giveContinue Reading

IMAG Functional Analysis Seminar Title: Dándole una vuelta a las rotaciones de Mazur By Javier Cabello (Universidad de Extremadura) Abstract: Let $H$ be a Hilbert space. It is quite clear that its sphere, say $S\subset H$, fulfills that for each $x,y\in S$ there exists a (linear, onto) isometry $T_{x,y}:H\to H$Continue Reading

IMAG Functional Analysis Seminar Title: Álgebras de Lie reales simples y sus ideales internos By Antonio Fernández López (Universidad de Málaga) Abstract: Sea L un álgebra de Lie sobre los complejos del tipo A_l, B_l, C_l, o D_l. En esta charla clasificamos las formas reales de L y sus idealesContinue Reading

Título: Mountain Pass solutions for an entire semipositone problem involving the Grushin operator. Conferenciante: Paolo Malanchini (Università degli Studi di Milano-Bicocca). Resumen: For \(N\ge 3\) we study the following semipositone problem$$ -\Delta_\gamma u = g(z) (f(u)- a) \quad \hbox{in $\mathbb{R}^N$}, $$ where \(\Delta_\gamma\) is the Grushin operator $$ \Delta_ \gammaContinue Reading

Title: Modelling families of complex curves and minimal surfaces. Speaker: Franc Forstnerič, University of Ljubljana. Abstract: A complex manifold is called an Oka manifold if every holomorphic map from a convex set in a Euclidean space to the manifold is a limit of entire maps. We show that every OkaContinue Reading

Title: The blessing of smoothness and outlier-free spline spaces in isogeometric analysis. Speaker: Hendrik Speleers (University of Rome Tor Vergata). Abstract: Isogeometric analysis is a well-established paradigm to improve interoperability between geometric modeling and numerical simulation. It is based on smooth spline representations and shows important advantages over classical \(\mathcal{C}^0\)Continue Reading

Title: Generic properties of minimal surfaces. Speaker: Antonio Alarcón (Universidad de Granada). Abstract: We shall discuss some properties of minimal surfaces in Euclidean space which hold generically in Baire category sense. Based on joint work with Francisco J. López. For further information, visit: https://wpd.ugr.es/~geometry/seminar/esContinue Reading

Título: Multiplicity results for mass constrained Allen-Cahn equations on Riemannian manifolds with boundary. Conferenciante: Ramon Oliver Bonafoux (Università di Verona). Resumen: We present multiplicity results for mass constrained Allen-Cahn equations on a Riemannian manifold with boundary, considering both Neumann and Dirichlet conditions. These results hold under the assumptions of smallContinue Reading

Título: The impact of terms of order 1 in Dirichlet problems with discontinuous coefficients. Conferenciante: Lucio Boccardo (Sapienza Università di Roma, Istituto Lombardo). Resumen: Descargar resumen aquí. Toda la información puede encontrarse en: Seminario de Ecuaciones Diferenciales.Continue Reading

Title: Applications of minimal surfaces to geometry and topology of 3-manifolds, II. Speaker: Yevgeny Liokumovich, University of Toronto. Abstract: Minimal surfaces are a key tool in the study of geometry and topology of 3-manifolds. In the first talk I will give an overview of several problems that can be resolvedContinue Reading

Title: Applications of minimal surfaces to geometry and topology of 3-manifolds, I. Speaker: Yevgeny Liokumovich, University of Toronto. Abstract: Minimal surfaces are a key tool in the study of geometry and topology of 3-manifolds. In the first talk I will give an overview of several problems that can be resolvedContinue Reading

Title: An introduction to the geometry in the Alhambra. Person in charge: Miguel Ortega Titos.Continue Reading

Title: Submersions, Lie groups and Killing Vector Fields to Study Translating Solitons of the Mean Curvature Flow. Speaker: Miguel Ortega Titos (UGR). Abstract: Graphical translating solitons of the mean curvature flow (translators) can be studied in many ambient manifolds. Some authors have used rotationally invariant settings to work with anContinue Reading

Título: Rigidity results for the capillary overdetermined problem. Conferenciante: Yuanyuan Lian (Universidad de Granada). Resumen (Descargar resumen aquí): In this paper we obtain rigidity results for bounded positive solutions of the general capillary overdetermined problem: \begin{equation} \begin{cases} \text{div} \left( \frac{\nabla u}{\sqrt{1+|\nabla u|^2}} \right) + f(u) = 0 &\text{ in }Continue Reading

Title: Fractional hyperbolic diffusions on sphere with random data. Speaker: Nikolai Leonenko (Cardiff School of Mathematics, Cardiff University). Schedule 9:30-11:00 Part I 11:00-11:30 Coffee break 11:30-13:00 Part II Abstracts: Part I. Introduction to statistical analysis of Gaussian isotropic spherical random fields. Spherical random fields are very useful for modelling someContinue Reading

Title: Stochastic processes in software reliability. Speaker: Tadashi Dohi (Department of Engineering, Hiroshima University). Dr. Tadashi Dohi has served as a Full Professor at Hiroshima University, Japan, since 2002. He is currently appointed as Dean of School of Informatics and Data Science and Associate Dean of Graduate School of AdvancedContinue Reading

Title: Part I: Diffusion models related to growth curves. Part II: Inference on some epidemiological statistical models. Speaker: Giuseppina Albano (Department of Political and Social Studies/DISPS, University of Salerno). Schedule 9:30-11:00 Part I 11:00-11:30 Coffee break 11:30-13:00 Part II Abstracts: Part I The seminar focuses on a general growth curveContinue Reading

IMAG Functional Analysis Seminar Title: Is it possible to identify/distinguish unital Banach algebras by their invertible elements? By Antonio Peralta (UGR) Abstract: It is natural to ask whether the multiplicative subgroup, $A^{-1},$ of invertible elements in a unital (associative) Banach algebra $A$ determine uniquely the structure of $A$. The answerContinue Reading

Title: Part I: Fractional stochastic processes for modeling some biological dynamics: theoretical setting, modeling approaches, numerical comparisons and simulations. Part II: Time-changed stochastic models and fractionally integrated processes to model the actin-myosin interaction and dwell times. Speaker: Enrica Pirozzi (Dipartimento di afferenza: Dipartimento di Matematica e Fisica (DMF), Università dellaContinue Reading

Title: Velocity distributions and dynamics of spatial-temporal random fields. Speaker: Krzysztof Podgórski (Department of Statistics, Lund University). Schedule 9:30-11:00 Part I 11:00-11:30 Coffee break 11:30-13:00 Part II Abstracts: Part I. Velocities of moving random surfaces. For a stationary two-dimensional random field evolving in time, one can derive statistical distributions ofContinue Reading

Title: Time–inhomogeneous Markov processes and phase–type distributions. Speaker: Mogens Bladt (Department of Mathematical Sciences, University of Copenhagen). Schedule: 9:30-11:00h & 11:30-13:00h. Abstract: Introduction to inhomogeneous Markov jump processes and product integration. Inhomogeneous phase-type distributions, IPH. The distribution of rewards. Application to life insurance (survival analysis). Heavy-tailed IPH distributions and insuranceContinue Reading

IMAG Functional Analysis Seminar Title: Lineability, spaceability and Orlicz-Lorentz spaces. By Juan Seoane (Universidad Complutense de Madrid) Abstract: Vladimir Gurariy showed (1966) that the set of Weierstrass’ monsters (classical continuous nowhere differentiable functions) contains (up to the zero function) infinite dimensional linear spaces. On top of that, in 1999, heContinue Reading

IMAG Functional Analysis Seminar Title: AD points and the super ADP property for Banach spaces By Marcus Loo (University of Tartu, Estonia) Abstract: The Daugavet property offers a nice geometric characterization in terms of slices of the unit ball. This provided a natural way to consider a localization of the DaugavetContinue Reading

Título: Bounded \(\lambda\)-harmonic functions on Hadamard manifolds. Conferenciante: Diego Alfonso Marín (Universidad de Granada) Resumen: The study of eigenfunctions of the Laplacian on Riemannian manifolds is a classical topic in differential geometry, closely related to the Uniformization Theorem. This theorem classifies simply connected Riemannian surfaces into three conformal types: ellipticContinue Reading

Título: Bifurcation in a Quasilinear Schrödinger-Type Equation with Two Parameters: Theory and Applications to Multiplicity of Solutions. Conferenciante: Miguel Martínez Teruel (Universidad de Granada) (mmteruel@ugr.es). Resumen: In this talk we deal with the following family of equations, \begin{equation} \begin{cases} -\Delta u-\lambda m(x) u \Delta(u^2)=f(\mu, x, u)\quad \text{in}\quad \Omega,\\ u=0\qquad \text{on}\qquadContinue Reading

Speaker: Antonio di Crescenzo (Department of Mathematics, University of Salerno). Schedule 9:30-11:00 Seminar 1 11:00-11:30 Coffee break 11:30-13:00 Seminar 2 Abstracts: Seminar 1: Finite-velocity random motions and reset at the origin: Recent advances on transient and limit behaviors. Stochastic processes for the description of finite-velocity random motions have been largelyContinue Reading

IMAG Functional Analysis Seminar Title:Klee’s tiling of Gamma. Variations on a theme. By Tommaso Russo (Universität Innsbruck, Austria) Abstract: In 1981 Victor Klee proved that \ell_1(\Gamma), for |\Gamma|=\mathfrak{c}, can be written as a disjoint union of closed balls of radius 1. In particular, the set of centers of the balls isContinue Reading

Título: An Extended Symbolic Dynamics. Conferenciante: Pouya Mehdipour (Universidade Federal de Viçosa, Brasil). Resumen: We will present an extended symbolic dynamics, called Zip Shift, and provide an overview of some of its applications across different subareas of dynamical systems. Toda la información puede encontrarse en: Seminario de Ecuaciones Diferenciales.Continue Reading

Título: Mean-field limit of particle systems over hypergraphs. Conferenciante: Nastassia Pouradier Duteil (Sorbonne Université, Paris). Resumen: We present a generalization of non-exchangeable particle systems with higher-order interactions, by removing two important assumptions that are usually made in particle systems: that of exchangeability of particles, and that of superposition of binaryContinue Reading

Título: Stability in Gagliardo-Nirenberg and (Log) Sobolev inequalities. Conferenciante: Nikita Simonov (Sorbonne Université, Paris). Resumen: In certain functional inequalities, the best constants and minimizers are known. The next natural question concerns stability: if a function “almost attains equality,” in what sense is it close to one of the minimizers? WeContinue Reading

Geometry Seminar Title: Formation of Singularities in the MCF. Speaker: Francisco Martín (IMAG). Abstract: The Mean Curvature Flow (MCF) describes the evolution of hypersurfaces in Euclidean space, driven by their mean curvature, which tends to smooth out geometric irregularities over time. However, singularities inevitably develop during the flow, marking criticalContinue Reading

Differential Equations Seminar Title: The superposition of operators of mixed fractional order. Speaker: Caterina Sportelli (University of Western Australia). Abstract: In this talk we introduce the superposition operator \(\displaystyle \int_{[0,1]}(-\Delta)^s u\, d\mu(s),\qquad\quad (1)\) where \(\mu\) denotes a (Borel) signed measure on the fractional interval \([0, 1]\). The signed measure isContinue Reading

Geometry Seminar Title: On the existence and classification of k-Yamabe gradient solitons. Speaker: Mariel Sáez (P.U.C. Santiago de Chile, Chile). Abstract: The k-Yamabe problem is a fully non-linear extension of the classical Yamabe problem that seeks for metrics of constant k-curvature. In this talk I will discuss this equation fromContinue Reading

Geometry Seminar Title: Eigenvalue estimates on shrinkers. Speaker: Raphael Tsiamis (Columbia University, USA). Abstract: We discuss an eigenvalue estimate that holds on every embedded self-similar shrinker for mean curvature flow. This result is obtained via a Reilly-type formula and can be viewed as an analogue of the first eigenvalue estimateContinue Reading