Seminario del IUMPA
Seminarios específicos organizados por los diferentes grupos de investigación de nuestro Instituto y que se celebran en el Seminario de la entidad
Gravitación Cuántica y el Triángulo del Todo
Viernes 17 de abril, 12:00 h, en el seminario del IUMPA. ¿Cuál es el mayor obstáculo para avanzar hacia una teoría de la gravitación cuántica? Abordamos esta pregunta con la ayuda de la imagen del “triángulo del todo”. A continuación, presentamos nuestras ideas y...
Geodesics in a Quantum Gravity scenario
Miércoles 4 de marzo a las 12h. We explore test-particle motion in quantum gravity by defining q–desics as quantum-corrected geodesics, based on expectation values of operators like the affine connection rather than just the metric. Derived via Lagrangian/Hamiltonian...
Clasification methods using Lipschitz functions for metric hiperspaces
Miércoles 11 de febrero a las 12h. Seminario del departamento de matemática aplicada de la ETSI Caminos, Canales y Puertos Seminario impartido por las profesoras Ezgi Erdogan and Hilal Karatas de la Universidad de Marmara (Estambul).
Causal fermion systems and Lorentzian geometry
The theory of causal fermion systems is an approach to fundamental physics. It gives quantum mechanics, general relativity and quantum field theory as limiting cases and is therefore a candidate for a unified physical theory. The dynamics of causal fermion...
Perturbations of a Quantum-Inspired Black Hole in higher dimensions
This talk explores the quasinormal modes (QNMs) of a five-dimensional scale-dependent black hole with a positive cosmological constant, examining scalar, electromagnetic, and Dirac perturbations. We derive exact analytical solutions within the scale-dependent gravity...
Conferencia Marc Martí (Imperial College). Miércoles 9 Abril a las 12:30 en el Seminario del IUMPA
Quasinormal mode expansion in thin elastic plates and the Quantum Valley Hall Effectroperties of operators on interpolation spaces In this talk I will explain the basics of quasinormal modes (QNMs) applied to a finite set of point-like mass-spring resonators attached...
Seminario Dr. Claudio Paganini (Universidad de Ratisbona, Alemania). Jueves 13 de marzo a las 12:00 en el Seminario del IUMPA
Gravitation as a statistical theory I will introduce the framework of gravitation as a statistical theory. Thereby I will try to build a bridge between the ideas of Padmanabhan and Causal Fermion Systems.
Seminario Dr. Alessandro Pesci (INFN Bologna, Italia). Miércoles 12 de marzo a las 12:00 en el Seminario del IUMPA
Endowing spacetime with a minimal length We describe a recently developed tool which enables a description of spacetime as a manifold with a Lorentz-invariant limit length built-in. This is accomplished in terms of quantities depending on two spacetime events...
Conferencia Mieczysław Mastyło (Adam Mickiewicz University, Poznan). Miércoles 5 de febrero a las 12.00 en el Seminario del IUMPA
Fredholm properties of operators on interpolation spaces We will discuss the stability of Fredholm properties for operators within interpolation scales of Banach spaces. We show that interpolated isomorphisms satisfy the property of local uniqueness of inverses. The...
Conference Themistoklis Mavrogordatos (ICFO – Instituto de Ciencias Fotónicas). Wave-particle correlations in multiphoton light-matter resonances. Martes 11 de junio a las 15.30 en el Seminario del Iumpa
In this seminar, we will discuss the conditional measurement of field amplitudes by a nonclassical photon sequence in the Jaynes-Cummings (JC) model under multiphoton operation. We do so by employing a correlator of immediate...
Homenaje al profesor Vicente Montesinos
El pasado mes de diciembre tuvo lugar el homenaje a nuestro compañero Vicente Montesinos Santalucia. Además de ser un destacado investigador, el profesor Montesinos tuvo un importante papel en la creación de nuestro instituto,...
Conference Philip Johnson (American University, USA). Effective multiparticle interactions, quantum symmetry breaking, and nontrivial topological properties of ultracold atoms. Jueves 14 de marzo a las 10.00 en el Seminario del Iumpa
I will talk about the physics of effective 2-, 3-, and 4-body interactions in systems of ultracold neutral atoms where, using magnetic or optical trapping techniques, it is possible to restrict motion to two dimensions (e.g., a...
Conferencias Felix Finster (Universidad de Regensburg, Alemania). Causal fermion systems: Classical gravity and beyond. 5, 6 y 7 de marzo a las 12.30 en el Seminario del IUMPA.
The theory of causal fermion systems is an approach to fundamental physics. It gives quantum mechanics, general relativity and quantum field theory as limiting cases and is therefore a candidate for a unified physical theory. The...
Conferencia Mieczyslaw Mastyło (Adam Mickiewicz University, Poznań). Operator ideal generated by Orlicz spaces with applications.
We will discuss properties of ideal φ-summing operators generated by Orlicz spaces. We will show asymptotic estimates of φ-summating norms of finite-dimensional operators as well as diagonal operators between certain Banach...
Conferencia Ezgi Erdogan (Marmara University, Turkey). Convolution Factorability of Multilinear Operators Defined on Banach Algebras of Integrable Functions.
In this talk, we present a factorization for a class of multilinear operators defined on the topological product of Banach algebras of integrable functions and Banach left modules through convolution product. This linearization...
Conferencia Victor Manuel Castaño Meneses (UNAM, México). La física y las humanidades o cómo conectar el exilio con la ciencia
El Dr. Castaño es un investigador que dirige proyectos de investigación de frontera y con una productividad académica muy extensa y variada, que incluye la investigación, el desarrollo tecnológico, la docencia y la divulgación....
CONFERENCIA: TURING Y LAS MATEMÁTICAS DE ENIGMA. Paz Jiménez Seral y Manuel Vázquez Lapuente. Universidad de Zaragoza.
5 de octubre a las 17.30. Seminario del IUMPA. Edificio 8E. Cubo F. Alan Turing se incorporó relativamente tarde a Bletchley Park con el fin de ayudar al equipo de criptógrafos ingleses en el objetivo de romper Enigma....
Conferencia Thomas Kalmes (Chemnitz University of Technology, GERMANY): Quantitative Runge approximation and linear topological invariants for kernels of partial differential operators.
Runge's classical approximation theorem characterizes the pairs of open subsets $X_1\subseteq X_2$ of the complex plane, for which every holomorphic function on [latexpage]$X_1$ can be approximated by holomorphic functions on...
Escuela de Verano del Observatorio sobre periodismo de datos 2023
30 de junio y 1 de julio. Seminario del IUMPA. Edificio 8E. Cubo F. El Observatorio Valencià de Dades Obertes i Transparència abre la inscripción para su Escuela de Verano 2023, un curso acelerado de periodismo de datos que...
Meeting Project: Strategic Partnership for mathematical aspects of complex, hypercomplex and fuzzy neural networks
June 19-26. Seminario del IUMPA. Edificio 8E. Cubo F. Local Organizing Committee: Agnieszka Niemczynowicz (Poland) Lluis M. Garcia Raffi (Spain) Jose M. Calabuig (Spain) The project meeting has been supported by the Polish...
Conferencia Mieczyslaw Mastylo (Adam Mickiewicz University, Poznań): Isomorphisms on interpolation Banach spaces.
We will discuss the stability of isomorphisms on interpolation spaces constructed by the method of means. We focus on the methods determined by balanced sequences of quasi-concave functions and show that these methods have...
Conferencia Andreas Defant (Universität Oldenburg): Projection constants for spaces of multivariate polynomials.
We discuss recent joint work with D. Galicer, M. Mansilla, M. Mastyło, and S. Muro. The general problem we address is to develop new methods within the study of projection constants of Banach spaces of multivariate polynomials....
Conferencia Ángela Capel: When does a quantum many-body system mix rapidly?
A quantum memory can be described by the evolution of an open quantum many-body system in a thermal bath with which it weakly interacts, which can be modelled by a quantum Markov semigroup. The time that it takes for an initial...
An exploration of the size of chaotic phenomena for composition operators through lineability and spaceability. Martina Maiuriello (Università degli studi della Campania Luigi Vanvitelli).
Motivated by recent studies on the notions of lineability and spaceability in the context of linear dynamics, in this talk we shall investigate the ``vastness'' of chaotic phenomena in the context of linear operators, with a...
The derived categories of the LB-spaces. Sven-Ake Wegner (University of Hamburg).
Let LB be the category of LB-spaces, which has as objects precisely those Hausdorff locally convex spaces that can be written as a countable inductive limit of Banach spaces, and as morphisms the continuous linear maps between...
Isomorphic copies of l_∞ in the weighted Hardy spaces on the unit disc. Radoslaw Szwedek, Adam Mickiewicz University, Poznan.
In this lecture, we shall discuss a question whether the density of analytic polynomials in an H-admissible space is sufficient to the minimality of the space? This question has a purely foundational background, relating...
Linear dynamics of operators on non-metrizable topological vector spaces. Vinícius V. Fávaro, Universidade Federal de Uberlândia, Brasil.
In this talk we will explore the following notions of chaos for operators on non-metrizable topological vector spaces: mixing, hypercyclicity, cyclicity, n-supercyclicity, Li-Yorke chaos and Devaney chaos. We will discuss...
Local Entropy and Applications. Udayan B. Darji, University of Louisville, EEUU.
In this talk, we introduce basic of local entropy theory and discuss how it can be applied in various settings in topological dynamics. We pay particular attention to Uniformly Positive Entropy and Complete Positive Entropy...
The Perfekt theory of M-ideals. Dirk Werner, Freie Universität Berlin.
We revisit some ideas of K.-M. Perfekt who has provided an elegantframework to detect the biduality between function or sequence spacesdefined in terms of some o-resp.\O-condition. We present new proofsunder somewhat weaker...
A Graph-Based Method for Soccer Action Spotting Using Unsupervised Player Classification. Alejandro Cartas, Universitat Pompeu Fabra
In this presentation we talk about our graph-based model for action spotting in soccer games. The goal of action spotting is to identify the specific time an action occurs. Our model represents players, referees, and goalkeepers...
Conferencia Niko Spronk. A survey of amenability of operator algebras, and algebras of abstract harmonic analysis. Lunes 28 de noviembre, 12:00 horas.
In this talk we settle this question: given two metrizable spaces X and Y and a subfamily of C(X,Y), what are necessary and sufficient conditions for there to exist compatible metrics d on X and q on Y so...
Conferencia Elies Fuster. Herramientas de IA para la caracterización de la heterogeneidad tumoral.
El glioma es uno de los tipos más comunes de tumores primarios del cerebro, y representa más del 70% de todos los tumores cerebrales malignos. Debido al perfil molecular y la biología extremadamente compleja y heterogénea del...
Conferencia Gerald Beer. Transforming continuous functions into Lipschitz functions
In this talk we settle this question: given two metrizable spaces X and Y and a subfamily of C(X,Y), what are necessary and sufficient conditions for there to exist compatible metrics d on X and q on Y so that the family...
Conferencia Rex Dark. Using fields to construct finite p-groups
I hope to describe how Galois fields can be used to construct: first Camina p-groups P (with [P, x] = P′ for every element x ∈ P − P′) [1]; then semidirect products of an extraspecial normal subgroup by a cyclic group [2]; and...
Conferencia Natalia Jonard. Curvas de Jordan en teselaciones del plano
El teorema de la curva de Jordan establece que una curva cerrada simple separa el plano en dos componentes conexas, una acotada y la otra no. En la década de los 70's, Azriel Rosenfeld publicó en una serie de artículos una...
Conferencia Jari Taskinen. Bergman kernels and projections on periodic planar domains
The Bergman space Ap(Ω), 1 ≤ p < ∞, on a domain Ω ⊂ 𝐂 is by definition the closed subspace of Lp(Ω) consisting of holomorphic functions; here, the Lp-space is defined via the real area measure of Ω. The Bergman projection PΩ...
Homenaje a Manuel López Pellicer.
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