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X-WR-CALDESC:Events for Instituto de Física Teórica
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BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260325T103000
DTEND;TZID=Europe/Madrid:20260325T130000
DTSTAMP:20260415T091224
CREATED:20260311T112409Z
LAST-MODIFIED:20260401T094858Z
UID:24595-1774434600-1774443600@www.ift.uam-csic.es
SUMMARY:PhD Defense by Marienza Caldarola: 'Unveiling the Universe with Gravitational Waves: a Machine Learning approach'
DESCRIPTION:Title: Unveiling the Universe with Gravitational Waves: a Machine Learning approach\n\nVenue & Time: Blue Room / 10:30\n\nAbstract: This thesis is devoted to the study of gravitational waves\, combining theoretical investigations with novel applications of machine learning. The first part of the work addresses the dynamics of hyperbolic encounters\, a class of transient gravitational wave signals. By incorporating orbit precession and post-Newtonian corrections\, this study provides theoretical insights into the emission properties.\nThe second part shifts toward data-driven approaches\, exploring the use of advanced machine learning methods in gravitational waves field. Two main applications are considered: constraining the energy density of the stochastic gravitational wave background through astrometric measurements and inferring the properties of lensed gravitational wave signals. In both cases\, the machine learning frameworks developed here show significant gains in computational efficiency\, with particular promise for real-time signal analysis and alerts\, demonstrating the transformative role of machine learning in enhancing current and future gravitational wave data analysis strategies.\n\nSupervisors: Savvas Nesseris and Sachiko Kuroyanagi
URL:https://www.ift.uam-csic.es/event/phd-defense-by-marienza-caldarola-unveiling-the-universe-with-gravitational-waves-a-machine-learning-approach/
LOCATION:Blue Room\, Instituto de Física Teórica (IFT) - C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:PhD Dissertation,Training
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260325T120000
DTEND;TZID=Europe/Madrid:20260325T133000
DTSTAMP:20260415T091224
CREATED:20260310T094435Z
LAST-MODIFIED:20260319T193242Z
UID:24574-1774440000-1774445400@www.ift.uam-csic.es
SUMMARY:IFT Colloquium: 'QCD critical point and the predictable randomness of relativistic fluids'
DESCRIPTION:Title: ‘QCD critical point and the predictable randomness of relativistic fluids’ \nSpeaker: Misha A. Stephanov (Illinois U.\, Chicago) \nVenue&Time: 12:00 / Red Room \nAbstract: Quantum Chromodynamics predicts a variety of unusual states of matter in which relativity and quantum many-body physics strongly intertwine. Discovering phase transitions between these extreme forms of matter in a laboratory is an unprecedented task. This is the challenge heavy-ion collision experiments are taking up at the Relativistic Heavy-Ion Collider (RHIC) and future facilities. An intriguing open question is the existence and the location of the QCD critical point. Similar critical points are ubiquitous in earthly substances and the associated fluctuation driven phenomena are remarkably universal. Can the QCD critical point be discovered in the heavy-ion collision experiments? It is a nontrivial question in large part because of the importance of the explosive dynamics of the collision. This challenging question is a subject of current research and a major motivation for recent developments in relativistic hydrodynamics. Of particular interest in this context is the dynamics of thermal fluctuations inherent in any system with dissipation.
URL:https://www.ift.uam-csic.es/event/ift-colloquium-misha-a-stephanov-illinois-u-chicago/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Colloquia,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260325T143000
DTEND;TZID=Europe/Madrid:20260325T153000
DTSTAMP:20260415T091224
CREATED:20260321T121654Z
LAST-MODIFIED:20260321T164525Z
UID:24662-1774449000-1774452600@www.ift.uam-csic.es
SUMMARY:Quantum Information Journal Club: 'Rapid mixing for Gibbs measures in Riemannian manifolds'
DESCRIPTION:Speaker: Pablo Páez-Velasco (Universidad Complutense de Madrid) \nVenue & Time: Gray Room 2 / 14:30 \nAbstract: Given some sufficiently smooth\, generally non-convex\, function F on a Riemannian manifold\, and a fixed inverse temperature\, the problem of sampling with respect to the associated Gibbs distribution has played a central role in several areas\, such as statistical mechanics or non-convex optimization. A natural approach to do so is to simulate the Langevin diffusion associated to F\, whose stationary distribution is precisely the Gibbs distribution. However\, obtaining quantitative convergence guarantees in this non-convex\, geometric setting remains difficult. \nIn this work\, we identify a set of assumptions on F and the underlying manifold under which a log-Sobolev inequality (LSI) holds for the Gibbs distribution in the low-temperature regime. As a consequence\, we obtain exponential convergence of the Langevin diffusion to its stationary distribution.
URL:https://www.ift.uam-csic.es/event/quantum-information-journal-club-rapid-mixing-for-gibbs-measures-in-riemannian-manifolds/
LOCATION:Grey Room 2\, Instituto de Física Teórica\, Madrid\, Madrid\, 28037\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260326T120000
DTEND;TZID=Europe/Madrid:20260326T130000
DTSTAMP:20260415T091224
CREATED:20260321T100551Z
LAST-MODIFIED:20260321T103609Z
UID:24654-1774526400-1774530000@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club: 'Powerful Yukawas'
DESCRIPTION:Every Thursday at 12:00 in Grey Room 2. \nMarta Fuentes (IFT)\, will present “Powerful Yukawas”.\n\nWe introduce a class of models where the masses of the light Standard Model fermions are due to an Effective Field Theory operator that appears beyond dimension-4 in the power counting expansion\, resulting in a `Powerful Yukawa’. The effective Yukawa coupling structure is UV-completed using a collective symmetry breaking pattern in the flavour sector\, which we dub `Sprouted Symmetry Breaking.’ The irreducible signature is an enhanced Higgs coupling to the light Standard Model fermions.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-powerful-yukawas/
LOCATION:Grey Room 2\, Instituto de Física Teórica\, Madrid\, Madrid\, 28037\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260326T120000
DTEND;TZID=Europe/Madrid:20260326T130000
DTSTAMP:20260415T091224
CREATED:20260321T100921Z
LAST-MODIFIED:20260321T100921Z
UID:24655-1774526400-1774530000@www.ift.uam-csic.es
SUMMARY:SPS Journal Club: 'M-theory on S^1 \vee S^1 as Type 0A'
DESCRIPTION:Strings\, Pheno & The Swampland Journal Club | Every Thursday at 12:00 in the Red Room. \nSpeaker: Salvatore Raucci (IFT) \nTitle: ‘M-theory on S^1 \vee S^1 as Type 0A’ \nAbstract: We propose an exotic geometric M-theory dual for the weak coupling Type 0A string: compactification on a sub-Planckian S^1 \vee S^1 (two circles connected at a point)\, where strong quantum effects lead to fields living on distinct resolutions of that space. Moreover we argue that tachyon condensation of the 0A theory corresponds to shrinking of one of the two circles leading to the IIA supersymmetric string. We use this and other dualities to provide an F-theoretic description of the axio-dilaton and the tachyonic field of Type 0B and argue for the existence of a strong coupling critical point of the potential using the resulting duality symmetry Γ_0(2) ⊂ SL(2\,Z). The existence of this critical point can also be argued using conventional M-theory dualities. If this critical point is unique it is an unstable dS vacuum. Using this we propose a strong coupling conformal fixed point for a non-supersymmetric gauge theory in four dimensions living on coincident D3^+ — D3^- branes of 0B.
URL:https://www.ift.uam-csic.es/event/sps-journal-club-m-theory-on-s1-vee-s1-as-type-0a/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260407T113000
DTEND;TZID=Europe/Madrid:20260407T130000
DTSTAMP:20260415T091224
CREATED:20260330T091606Z
LAST-MODIFIED:20260406T090934Z
UID:24673-1775561400-1775566800@www.ift.uam-csic.es
SUMMARY:HoloClub: 'Semi-classical aspects of black holes: recent progress and future directions'
DESCRIPTION:Title: ‘Semi-classical aspects of black holes: recent progress and future directions’ \nSpeaker: Juan F. Pedraza (IFT) \nVenue & Time: Gray Room 3 / 11:30 \nAbstract: Semi-classical gravity provides a valuable framework for exploring quantum effects in black hole physics\, particularly in regimes where a complete theory of quantum gravity remains out of reach. In this talk\, I will review recent progress in the description of black holes in braneworld gravity\, where holographic constructions allow semi-classical backreaction to be incorporated in a controlled manner. I will discuss how these setups give rise to quantum-corrected black hole solutions and why they provide a promising arena for black hole phenomenology. In the final part of the talk\, I will outline a few possible calculations and open directions\, emphasizing concrete questions that may be worth pursuing in future work.
URL:https://www.ift.uam-csic.es/event/holoclub-talk-by-juan-f-pedraza-ift/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260407T140000
DTEND;TZID=Europe/Madrid:20260407T150000
DTSTAMP:20260415T091224
CREATED:20260406T091426Z
LAST-MODIFIED:20260406T091426Z
UID:24814-1775570400-1775574000@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-20/
LOCATION:Discussion room 5th floor\, C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260409T120000
DTEND;TZID=Europe/Madrid:20260409T130000
DTSTAMP:20260415T091224
CREATED:20260406T165602Z
LAST-MODIFIED:20260406T165602Z
UID:24868-1775736000-1775739600@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club
DESCRIPTION:Every Thursday at 12:00 in Grey Room 3.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-11/
LOCATION:Grey Room 2\, Instituto de Física Teórica\, Madrid\, Madrid\, 28037\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260409T120000
DTEND;TZID=Europe/Madrid:20260409T170000
DTSTAMP:20260415T091224
CREATED:20260406T165534Z
LAST-MODIFIED:20260406T165534Z
UID:24867-1775736000-1775754000@www.ift.uam-csic.es
SUMMARY:Strings\, Pheno and the Swampland (SPS) Journal Club
DESCRIPTION:Every Thursday at 12:00 in the Red Room.
URL:https://www.ift.uam-csic.es/event/strings-pheno-and-the-swampland-sps-journal-club-2/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260409T150000
DTEND;TZID=Europe/Madrid:20260409T160000
DTSTAMP:20260415T091224
CREATED:20260310T093813Z
LAST-MODIFIED:20260407T094840Z
UID:24570-1775746800-1775750400@www.ift.uam-csic.es
SUMMARY:Seminar: 'EFTs for BSM: Counting\, Ambiguities\, and Application'
DESCRIPTION:Title: ‘EFTs for BSM: Counting\, Ambiguities\, and Application’\n\n\nSpeaker: Shakeel Ur Rahaman (IPPP Durham).\n\n\nVenue&Time: Red Room / 15:00 \nAbstract: The two principal frameworks for modeling the Beyond Standard Model physics as an Effective Field Theory (EFT) are the Standard Model EFT (SMEFT) and the Higgs Effective Field Theory (HEFT). SMEFT is constructed in the electroweak symmetric phase\, inherently utilizing the Higgs doublet\, whereas HEFT is defined in the broken phase using the physical Higgs boson alongside a separate set of Goldstone bosons. The unavoidable necessity of truncating these effective field theory expansions creates technical ambiguities that are fundamentally interwoven with the redundancies inherent in general field redefinitions. In this talk regarding HEFT\, the focus will be primarily on its methodology for building operators\, its power counting scheme\, and the associated truncation uncertainties. These properties are already well-established within the SMEFT framework. For SMEFT\, the discussion will center on its application in precision calculations and its practical implementation in Monte Carlo event generators such as Sherpa.
URL:https://www.ift.uam-csic.es/event/seminar-by-shakeel-ur-rahaman/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260414T113000
DTEND;TZID=Europe/Madrid:20260414T130000
DTSTAMP:20260415T091224
CREATED:20260330T091653Z
LAST-MODIFIED:20260413T102636Z
UID:24672-1776166200-1776171600@www.ift.uam-csic.es
SUMMARY:POSTPONED: HoloClub: 'Holographic transport in anisotropic systems'
DESCRIPTION:Title: Holographic transport in anisotropic systems \nSpeaker: Claire Moran (Utrecht University) \nVenue&Time: Red Room / 11:30 \nAbstract: Understanding transport in strongly coupled quantum systems remains a central challenge across high-energy physics\, condensed matter\, and quantum many-body theory. Of particular interest is systems exhibiting anisotropy\, where the anisotropy leads to a much richer transport structure\, with new transport coefficients emerging. The bulk viscosity becomes especially subtle in anisotropic media\, where it can couple nontrivially to directional degrees of freedom and underlying microscopic structure. In this talk\, I will discuss a recently developed holographic method for computing the bulk viscosity in such systems. This approach circumvents technical obstacles present in existing treatments and yields analytic expressions. I will discuss the general structure of the method\, and highlight some applications of it.
URL:https://www.ift.uam-csic.es/event/holoclub-talk-by-by-claire-moran-utrecht-university/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260414T140000
DTEND;TZID=Europe/Madrid:20260414T150000
DTSTAMP:20260415T091224
CREATED:20260406T091509Z
LAST-MODIFIED:20260406T091509Z
UID:24815-1776175200-1776178800@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-21/
LOCATION:Discussion room 5th floor\, C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260415T143000
DTEND;TZID=Europe/Madrid:20260415T153000
DTSTAMP:20260415T091224
CREATED:20260413T082635Z
LAST-MODIFIED:20260413T082635Z
UID:24885-1776263400-1776267000@www.ift.uam-csic.es
SUMMARY:Quantum Information Journal Club: 'Accessible quantum correlations under complexity constraints'
DESCRIPTION:Title: ‘Accessible quantum correlations under complexity constraints’ \nSpeaker: Álvaro Yangüez (Sorbonne Université Paris) \nVenue&Time: Gray Room 3 / 14:00 \nAbstract: \n\nQuantum systems may contain underlying correlations which are inaccessible to computationally bounded observers. We capture this distinction through a framework that analyses bipartite states only using efficiently implementable quantum channels. This leads to a complexity-constrained max-divergence and a corresponding computational min-entropy. The latter quantity recovers the standard operational meaning of the conditional min-entropy: in the fully quantum case\, it quantifies the largest overlap with a maximally entangled state attainable via efficient operations on the conditional subsystem. For classical-quantum states\, it further reduces to the optimal guessing probability of a computationally bounded observer with access to side information. Lastly\, in the absence of side information\, the computational min-entropy simplifies to a computational notion of the operator norm. We then establish strong separations between the information-theoretic and complexity-constrained notions of min-entropy. For pure states\, there exist highly entangled families of states with extremal min-entropy whose efficiently accessible entanglement in terms of computational min-entropy is exponentially suppressed. For mixed states\, the separation is even sharper: the information-theoretic conditional min-entropy can be highly negative while the complexity-constrained quantity remains nearly maximal. \n\n\nOverall\, our results demonstrate that computational constraints can fundamentally limit the quantum correlations that are observable in practice.
URL:https://www.ift.uam-csic.es/event/quantum-information-journal-club-accessible-quantum-correlations-under-complexity-constraints/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260416T120000
DTEND;TZID=Europe/Madrid:20260416T130000
DTSTAMP:20260415T091224
CREATED:20260412T202323Z
LAST-MODIFIED:20260412T210607Z
UID:24879-1776340800-1776344400@www.ift.uam-csic.es
SUMMARY:Pheno Journal Club: Unitarity limits on triple gauge boson production
DESCRIPTION:Daniel Domenech Moya (IFT) will present “Unitarity limits on triple gauge boson production”.\n\nVenue & Time: Gray Room 2 / 12:00\n\nAbstract:\n\nWe derive the unitarity constraints on anomalous quartic gauge couplings originating from the f ¯f ′ → V V ′V ′′ channel with V (′)(′′) = γ\, Z\, W ±\, and H. We also assess the importance of these bounds on the present and future experimental searches.
URL:https://www.ift.uam-csic.es/event/pheno-journal-club-unitarity-limits-on-triple-gauge-boson-production/
LOCATION:Grey Room 2\, Instituto de Física Teórica\, Madrid\, Madrid\, 28037\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260416T120000
DTEND;TZID=Europe/Madrid:20260416T130000
DTSTAMP:20260415T091224
CREATED:20260412T202852Z
LAST-MODIFIED:20260413T104338Z
UID:24881-1776340800-1776344400@www.ift.uam-csic.es
SUMMARY:Strings\, Pheno and the Swampland (SPS) Journal Club
DESCRIPTION:Every Thursday at 12:00 in the Red Room. \nTitulo: The Art of Branching: Cobordism Junctions of 10d String Theories \nSpeaker: Edoardo Anastasi (IFT) \nAbstract: We describe the explicit construction of configurations of several 10d string theories joining at a 9d junction\, providing a dynamical realization of cobordisms between multiple 10d string theories\, predicted by the Cobordism Conjecture. We provide the microscopic worldsheet description of the configuration in a generalization of the `going up and down the RG flow’ interpolations recently used in the description of IIA/IIB domain wall. The interpolations involve additional degrees of freedom\, which are gapped except at the branch point\, at which the gap closes and triggers the branching transition. The extra degrees of freedom admit an interpretation in terms of additional dimensions in a supercritical string theory\, which reduces to the 10d junction configuration upon closed tachyon condensation. Quantum corrections of the 2d worldsheet theory turn the junction into a strongly coupled lightlike core whose UV resolution lies beyond worldsheet techniques. We construct explicit examples of junctions of 10d heterotic string theories\, type 0\, and type II theories and orientifolds thereof. Our explicit examples include junctions of 10d chiral theories whose chiral fields flow between different branches. One particularly nice configuration is a 4-branch junction of the IIB theory\, with type I\, the non-supersymmetric USp(32) theory and the U(32) orientifold of 0B theory\, thus assembling the four non-tachyonic descendants of type 0B theory.
URL:https://www.ift.uam-csic.es/event/strings-pheno-and-the-swampland-sps-journal-club-3/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260416T150000
DTEND;TZID=Europe/Madrid:20260416T160000
DTSTAMP:20260415T091224
CREATED:20260119T110832Z
LAST-MODIFIED:20260119T110832Z
UID:24228-1776351600-1776355200@www.ift.uam-csic.es
SUMMARY:Seminar by Iñaki Garcia Etxebarria
DESCRIPTION:TBA
URL:https://www.ift.uam-csic.es/event/seminar-by-inaki-garcia-etxebarria/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260420T113000
DTEND;TZID=Europe/Madrid:20260420T163000
DTSTAMP:20260415T091224
CREATED:20260413T114758Z
LAST-MODIFIED:20260413T114758Z
UID:24889-1776684600-1776702600@www.ift.uam-csic.es
SUMMARY:Madrid's Polygonal Gravity Seminar Series
DESCRIPTION:Venue&Time: Red Room / 11:30 / 15:00 \nPROGRAM: \n——————— \n11:00 Welcome coffee \n——————— \n11:30h     First Talk \nSpeaker: Jelle Hartong (Edinburgh U.) \nTitle: The Geometry of Gravitational Radiation \nAbstract: This talk concerns asymptotically flat vacuum solutions of GR in\n4 spacetime dimensions. The asymptotics of such metrics is quite intricate\nand depends on how we approach infinity. If we follow null geodesics we\nend up at future null infinity. This is where massless fields\, including\ngravitational radiation ends up. In this talk we will study the metric\nnear future null infinity with an emphasis on geometrical structures that\nemerge in that part of the spacetime. \nFuture null infinity of an asymptotically flat spacetime is a conformal\nCarroll manifold. I will not assume any familiarity with Carroll geometry\nand explain the relevant geometrical notions as we go along. We will\nconsider asymptotic solutions to the 4D vacuum Einstein equations where\nfuture null infinity is endowed with the most general Carroll metric data\nthat is allowed by the Einstein equations. This can be used to define an\nenergy-momentum tensor (EMT) at future null infinity by varying a suitably\nrenormalised action with respect to the boundary Carroll metric data. It\nis shown that the Ward identities obeyed by this boundary EMT agree with\nthe Bondi loss equations that describe the loss of energy and momentum due\nto the emission of gravitational waves. The metric near future null\ninfinity can be formulated in terms of a Cartan geometry based on the\nconformal Carroll algebra. The non-vanishing curvatures of said algebra\ndictate how radiative the spacetime is. For example\, the vacuum degeneracy\nis described by a flat conformal Carroll connection. We will see that the\nBondi loss equations can be rewritten as flux-balance laws where the\nfluxes are determined by the Cartan geometry for the conformal Carroll\nalgebra. \n——————– \n15:00h     Second Talk \nSpeaker: Eric A. Bergshoeff (U. of Groningen) \nTitle: Massive gravity in the lab \nAbstract: In this talk I will discuss a connection between the so-called\nchiral massive GMP spin-2 mode in the Fractional Quantum Hall effect and a\nthree-dimensional (one time and two space) relativistic massive spin-2\nfield in quantum field theory. In particular\, I will show how the spin-2\nGMP mode follows by taking a special non-relativistic limit of linearized\nthree-dimensional massive gravity which are the planar Fierz-Pauli\nequations. I will discuss how these results can be generalized to integer\nhigher-spins and will present results for half-integer spins as well. \n——————– \n16:15  Farewell coffee \n—————————————————————————– \nMore information about these and following monthly seminars can be found at the\nwebpage \nhttps://sites.google.com/view/polygrav \nWe very much hope to see you there! (No registration is needed) \nFernando Barbero (IEM)\, Guillermo Mena (IEM)\, Luis Garay (UCM)\,\nMercedes Martin-Benito (UCM)\, Daniele Oriti (UCM)\, Tomas Ortin(IFT)\, Francesca\nVidotto (IEM)\, Eduardo Villaseñor (UC3M)
URL:https://www.ift.uam-csic.es/event/madrids-polygonal-gravity-seminar-series-2/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260420T150000
DTEND;TZID=Europe/Madrid:20260420T150000
DTSTAMP:20260415T091224
CREATED:20251128T155230Z
LAST-MODIFIED:20260330T180036Z
UID:23977-1776697200-1776697200@www.ift.uam-csic.es
SUMMARY:Seminar by Isaac Tutusaus (ICE\, Barcelona)
DESCRIPTION:TBA
URL:https://www.ift.uam-csic.es/event/seminar-by-isaac-tutusaus-ice-barcelona/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260421T140000
DTEND;TZID=Europe/Madrid:20260421T150000
DTSTAMP:20260415T091224
CREATED:20260406T091546Z
LAST-MODIFIED:20260406T091546Z
UID:24816-1776780000-1776783600@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-22/
LOCATION:Discussion room 5th floor\, C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260423T150000
DTEND;TZID=Europe/Madrid:20260423T160000
DTSTAMP:20260415T091224
CREATED:20260321T095735Z
LAST-MODIFIED:20260321T095752Z
UID:24651-1776956400-1776960000@www.ift.uam-csic.es
SUMMARY:Seminar by Maria Olalla Olea Romacho (King's College\, London)
DESCRIPTION:TBA
URL:https://www.ift.uam-csic.es/event/seminar-by-maria-olalla-olea-romacho-kings-college-london/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260427T150000
DTEND;TZID=Europe/Madrid:20260427T160000
DTSTAMP:20260415T091224
CREATED:20260129T125809Z
LAST-MODIFIED:20260330T180111Z
UID:24310-1777302000-1777305600@www.ift.uam-csic.es
SUMMARY:IFT seminar: Mikel Sanchez-Garitaonandia
DESCRIPTION:TBA
URL:https://www.ift.uam-csic.es/event/ift-seminar-mikel-sanchez-garitaonandia/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260428T140000
DTEND;TZID=Europe/Madrid:20260428T150000
DTSTAMP:20260415T091224
CREATED:20260406T091645Z
LAST-MODIFIED:20260406T091645Z
UID:24817-1777384800-1777388400@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-23/
LOCATION:Discussion room 5th floor\, C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260430T150000
DTEND;TZID=Europe/Madrid:20260430T160000
DTSTAMP:20260415T091224
CREATED:20260310T094240Z
LAST-MODIFIED:20260310T094240Z
UID:24572-1777561200-1777564800@www.ift.uam-csic.es
SUMMARY:Seminar Bipasha Chakraborty
DESCRIPTION:TBA
URL:https://www.ift.uam-csic.es/event/seminar-bipasha-chakraborty/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260504T150000
DTEND;TZID=Europe/Madrid:20260504T160000
DTSTAMP:20260415T091224
CREATED:20260129T125910Z
LAST-MODIFIED:20260330T180155Z
UID:24312-1777906800-1777910400@www.ift.uam-csic.es
SUMMARY:IFT seminar: Alberto Roper Pol (Geneva)
DESCRIPTION:TBA
URL:https://www.ift.uam-csic.es/event/ift-seminar-alberto-roper-pol-geneva/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260505T140000
DTEND;TZID=Europe/Madrid:20260505T150000
DTSTAMP:20260415T091224
CREATED:20260406T091722Z
LAST-MODIFIED:20260406T091722Z
UID:24818-1777989600-1777993200@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-24/
LOCATION:Discussion room 5th floor\, C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260511T150000
DTEND;TZID=Europe/Madrid:20260511T160000
DTSTAMP:20260415T091224
CREATED:20260310T094850Z
LAST-MODIFIED:20260310T094850Z
UID:24578-1778511600-1778515200@www.ift.uam-csic.es
SUMMARY:Seminar: Title TBA (Florian Kühnel\, TU Dortmund & LMU Munich)
DESCRIPTION:TBA
URL:https://www.ift.uam-csic.es/event/seminar-title-tba-florian-kuhnel-tu-dortmund-lmu-munich/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260512T113000
DTEND;TZID=Europe/Madrid:20260512T130000
DTSTAMP:20260415T091224
CREATED:20260209T081702Z
LAST-MODIFIED:20260209T081702Z
UID:24369-1778585400-1778590800@www.ift.uam-csic.es
SUMMARY:Holo-Club by Martin Sasieta (U. Berkeley)
DESCRIPTION:TBA
URL:https://www.ift.uam-csic.es/event/holo-club-by-martin-sasieta-u-berkeley/
LOCATION:Gray Room 3\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260512T140000
DTEND;TZID=Europe/Madrid:20260512T150000
DTSTAMP:20260415T091224
CREATED:20260406T091756Z
LAST-MODIFIED:20260406T091756Z
UID:24819-1778594400-1778598000@www.ift.uam-csic.es
SUMMARY:Cosmology Journal Club
DESCRIPTION:Every Tuesday at 2:00 PM in the discussion room on the 5th floor. \nJoin the IFT cosmology/gravity journal club at benty-fields.com to vote for papers and volunteer to present them
URL:https://www.ift.uam-csic.es/event/cosmology-journal-club-25/
LOCATION:Discussion room 5th floor\, C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, Madrid\, 28049\, Spain
CATEGORIES:Journal clubs,Scientific activities
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260514T150000
DTEND;TZID=Europe/Madrid:20260514T160000
DTSTAMP:20260415T091224
CREATED:20260330T090749Z
LAST-MODIFIED:20260330T090749Z
UID:24670-1778770800-1778774400@www.ift.uam-csic.es
SUMMARY:Seminar by Andrii Dashko (DESY)
DESCRIPTION:Title: ‘Perturbative aspect of electroweak phase transitions in the Early Universe’
URL:https://www.ift.uam-csic.es/event/seminar-by-andrii-dashko-desy/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Madrid:20260518T150000
DTEND;TZID=Europe/Madrid:20260518T160000
DTSTAMP:20260415T091224
CREATED:20251128T155105Z
LAST-MODIFIED:20260330T180212Z
UID:23975-1779116400-1779120000@www.ift.uam-csic.es
SUMMARY:Seminar by Jose Beltran (Salamanca)
DESCRIPTION:TBA
URL:https://www.ift.uam-csic.es/event/seminar-by-jose-beltran-salamanca/
LOCATION:IFT Seminar Room/Red Room\, Instituto de Física Teórica (IFT) -C. Nicolás Cabrera\, 13-15\, Fuencarral-El Pardo\, Madrid\, 28049\,\, Spain
CATEGORIES:Scientific activities,Seminars
END:VEVENT
END:VCALENDAR