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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231214T160000
DTEND;TZID=Europe/Berlin:20231214T170000
DTSTAMP:20260409T120830
CREATED:20231107T121051Z
LAST-MODIFIED:20231204T112026Z
UID:6928-1702569600-1702573200@crc326gaus.de
SUMMARY:Refined tropical curve counting with descendants
DESCRIPTION:TGiF-Seminar: Tropical geometry in Frankfurt (First meeting Winter Semester 2023/24) \nAjith Urundolil-Kumaran (University of Cambridge) \nAbstract: We introduce the enumerative geometry of curves in the algebraic torus (C*)^2. We show that a certain class of invariants associated with moduli spaces of curves in (C*)^2 can be calculated explicitly using a refined tropical correspondence theorem. If time permits we will explain how the proof relies on higher double ramification cycles and work of Buryak-Rossi on integrable systems on the moduli space of curves. This is joint work with Patrick Kennedy-Hunt and Qaasim Shafi. \n 
URL:https://crc326gaus.de/event/tba-93/
LOCATION:Frankfurt\, Robert-Mayer-Str. 10\, Raum 711 groß
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231214T150000
DTEND;TZID=Europe/Berlin:20231214T163000
DTSTAMP:20260409T120831
CREATED:20231009T095017Z
LAST-MODIFIED:20231207T110223Z
UID:6386-1702566000-1702571400@crc326gaus.de
SUMMARY:Rigid Analytic Motives
DESCRIPTION:Talk 8: Fabio Tanania (TU Darmstadt): Interlude on (Co-)Modules and monodromy operators \nZoom meeting ID: 612 2072 7363\, Password: Largest six digit prime number.
URL:https://crc326gaus.de/event/rigid-analytic-motives-23/
LOCATION:Darmstadt\, Room 244 and Zoom\, Schlossgartenstraße 7\, Darmstadt\, 64289
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231214T143000
DTEND;TZID=Europe/Berlin:20231214T153000
DTSTAMP:20260409T120831
CREATED:20231107T120412Z
LAST-MODIFIED:20231204T112155Z
UID:6926-1702564200-1702567800@crc326gaus.de
SUMMARY:Stationary Descendents and the Discriminant Modular Form
DESCRIPTION:TGiF-Seminar: Tropical geometry in Frankfurt (First meeting Winter Semester 2023/24) \nAdam Afandi (Universität Münster) \nAbstract: By using the Gromov-Witten/Hurwitz correspondence\, Okounkov and Pandharipande showed that certain generating functions of stationary descendent Gromov-Witten invariants of a smooth elliptic curve are quasimodular forms. In this talk\, I will discuss the various ways one can express the discriminant modular form in terms of these generating functions. The motivation behind this calculation is to provide a new perspective on tackling a longstanding conjecture of Lehmer from the middle of the 20th century; Lehmer posited that the Ramanujan tau function (i.e. the Fourier coefficients of the discriminant modular form) never vanishes. The connection with Gromov-Witten invariants allows one to translate Lehmer’s conjecture into a combinatorial problem involving characters of the symmetric group and shifted symmetric functions.
URL:https://crc326gaus.de/event/tba-92/
LOCATION:Frankfurt\, Robert-Mayer-Str. 10\, Raum 711 groß
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231214T141500
DTEND;TZID=Europe/Berlin:20231214T151500
DTSTAMP:20260409T120831
CREATED:20231012T090245Z
LAST-MODIFIED:20231207T075847Z
UID:6652-1702563300-1702566900@crc326gaus.de
SUMMARY:Quadratic Atiyah-Bott Localisation
DESCRIPTION:Alessandro d’Angelo (Stockholm) \nAbstract: The Atiyah-Bott localisation theorem and the Graber-Pandharipande virtual localisation formula are standard tools for studying enumerative problems in the presence of a torus action. M. Levine proved similar results for Witt sheaf cohomology\, allowing us to retain quadratic information about the enumerative count. We will show how to extend the Atiyah-Bott localisation theorem to any SL-oriented motivic spectrum\, once the algebraic Hopf map is inverted. As an application\, we will also provide the appropriate virtual localisation formula for fundamental classes in this context. \nZoom Meeting-ID: 967 5163 9626 \nPasscode: last name of famous mathematician born in Königsberg (small letters)
URL:https://crc326gaus.de/event/tba-78/
LOCATION:Mainz\, Hilbertraum 05-432
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231214T110000
DTEND;TZID=Europe/Berlin:20231214T130000
DTSTAMP:20260409T120831
CREATED:20231010T132752Z
LAST-MODIFIED:20231121T101740Z
UID:6537-1702551600-1702558800@crc326gaus.de
SUMMARY:Emerton-Gee-Stacks
DESCRIPTION:Talk 8: Otmar Venjakob (Universität Heidelberg): Moduli stacks of (φ\, Γ)-modules III – the rank one case
URL:https://crc326gaus.de/event/emerton-gee-stacks-9/
LOCATION:Heidelberg\, Mathematikon\, SR 8 and Zoom\, INF 205\, Heidelberg\, Germany
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231213T133000
DTEND;TZID=Europe/Berlin:20231213T163000
DTSTAMP:20260409T120831
CREATED:20231024T084426Z
LAST-MODIFIED:20231024T093830Z
UID:6773-1702474200-1702485000@crc326gaus.de
SUMMARY:Anabelian geometry
DESCRIPTION:13:30 – 14:45  Talk 8: Morten Lüders (Universität Heidelberg): Section conjecture for orbicurves and affine curves via root stacks \n15:15 – 16:30  Talk 9: Marcin Lara (Goethe Universität Frankfurt): Spreading out sections and coherence property
URL:https://crc326gaus.de/event/anabelian-geometry-3/
LOCATION:Heidelberg\, MATHEMATIKON\, SR A\, Deutschland
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231212T160000
DTEND;TZID=Europe/Berlin:20231212T170000
DTSTAMP:20260409T120831
CREATED:20231009T105043Z
LAST-MODIFIED:20231204T084236Z
UID:6413-1702396800-1702400400@crc326gaus.de
SUMMARY:Resonances of Schottky surfaces
DESCRIPTION:International Seminar on Automorphic Forms \nAnke Pohl (University of Bremen) \nThe investigation of L^2-Laplace eigenvalues and eigenfunctions for hyperbolic surfaces of finite area is a classical and exciting topic at the intersection of number theory\, harmonic analysis and mathematical physics. In stark contrast\, for (geometrically finite) hyperbolic surfaces of infinite area\, the discrete L^2-spectrum is finite. A natural replacement are the resonances of the considered hyperbolic surface\, which are the poles of the meromorphically continued resolvent of the Laplacian. \nThese spectral entities also play an important role in number theory and various other fields\, and many fascinating results about them have already been found; the generalization of Selberg’s 3/16-theorem by Bourgain\, Gamburd and Sarnak is a well-known example. However\, an enormous amount of the properties of such resonances\, also some very elementary ones\, is still undiscovered. A few years ago\, by means of numerical experiments\, Borthwick noticed for some classes of Schottky surfaces (hyperbolic surfaces of infinite area without cusps and conical singularities) that their sets of resonances exhibit unexcepted and nice patterns\, which are not yet fully understood. \nAfter a brief survey of some parts of this field\, we will discuss an alternative numerical method\, combining tools from dynamics\, zeta functions\, transfer operators and thermodynamic formalism\, functional analysis and approximation theory. The emphasis of the presentation will be on motivation\, heuristics and pictures. This is joint work with Oscar Bandtlow\, Torben Schick and Alex Weisse. \nhttps://tu-darmstadt.zoom.us/j/68048280736 \nThe password is the first Fourier coefficient of the modular j-function (as digits).
URL:https://crc326gaus.de/event/tba-68/
LOCATION:Zoom
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Claire Burrin":MAILTO:claire.burrin@math.uzh.ch
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231208T133000
DTEND;TZID=Europe/Berlin:20231208T160000
DTSTAMP:20260409T120831
CREATED:20231031T100904Z
LAST-MODIFIED:20231031T101020Z
UID:6861-1702042200-1702051200@crc326gaus.de
SUMMARY:Ruth Moufang Lectures 2023 (2nd lecture)
DESCRIPTION:The Ruth Moufang Lectures will have their third iteration on December 7th and 8th\, 2023 in Heidelberg. We are happy to announce that our speaker will be Ariane Mézard (Sorbonne Université). \nAriane Mézard – Seminars talks “Potentially Barsotti-Tate deformations rings I and II” \nAbstract: \nDeformation of Galois representations in an efficient tool in arithmetic geometry. Within the framework of p-adic Hodge theory\, it opened the way towards a p-adic Langlands program. In my first talk\, I will present briefly the general setting and open questions for some certain geometric Galois representations. In dimension two\, a computational approach\, in collaboration with X. Caruso and A. David\, allow us to formulate conjectures in the potentially Barsotti-Tate case.\n\nIn my second talk\, I will present a local model theory for moduli stacks of étale (Phi\,Gamma)-modules corresponding to 2-dimensional non-scalar tame potentially Barsotti-Tate Galois representations of the Galois group of an unramified extension of Qp. From this work\, in collaboration with B.\nLe Hung and S. Morra\, we derive explicit presentations of potentially Barsotti-Tate deformation rings\, in particular the proof of the Caruso-David-Mézard conjectures.
URL:https://crc326gaus.de/event/ruth-moufang-lectures-2023-2nd-lecture/
LOCATION:Heidelberg\, MATHEMATIKON\, Konferenzraum 5/104
CATEGORIES:GAUS-Event
ORGANIZER;CN="Gebhard B%C3%B6ckle":MAILTO:gebhard.boeckle iwr.uni-heidelberg.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231208T101500
DTEND;TZID=Europe/Berlin:20231208T114500
DTSTAMP:20260409T120831
CREATED:20231121T123935Z
LAST-MODIFIED:20231204T074447Z
UID:7175-1702030500-1702035900@crc326gaus.de
SUMMARY:Exodromy
DESCRIPTION:Georg Tamme (Universität Mainz): Oriented fibre products
URL:https://crc326gaus.de/event/exodromy-7/
LOCATION:Mainz\, Raum 05-514
CATEGORIES:GAUS-AG
ORGANIZER;CN="Tom Bachmann":MAILTO:tom.bachmann@uni-mainz.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231207T171500
DTEND;TZID=Europe/Berlin:20231207T181500
DTSTAMP:20260409T120831
CREATED:20231031T095334Z
LAST-MODIFIED:20231031T101504Z
UID:6859-1701969300-1701972900@crc326gaus.de
SUMMARY:Ruth Moufang Lectures 2023 (1st lecture)
DESCRIPTION:The Ruth Moufang Lectures will have their third iteration on December 7th and 8th\, 2023 in Heidelberg. We are happy to announce that our speaker will be Ariane Mézard (Sorbonne Université). \nAriane Mézard – Colloquium “A research project for Marguerite” \nAbstract: \nIn 2017\, Anna Novion\, screenwriter and director contacted me about her film then in writing\, "Marguerite's Theorem"*. She needed a PhD subject for her main character\, Marguerite\, a doctoral student in mathematics. It took me a little time to understand that my favorite subject\, deformations of Galois representations\, would not be suited to the role. I must admit that Goldbach's conjecture\, the subject chosen by Anna\, lent itself better to the game. In this colloquium\, I will present to you the notion of cinematic mathematics and the main results which passed the casting of this film.\n*will be released in Germany in 2024.
URL:https://crc326gaus.de/event/ruth-moufang-lectures-2023-1st-lecture/
LOCATION:Heidelberg\, MATHEMATIKON\, Hörsaal
CATEGORIES:GAUS-Event
ORGANIZER;CN="Gebhard B%C3%B6ckle":MAILTO:gebhard.boeckle iwr.uni-heidelberg.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231207T110000
DTEND;TZID=Europe/Berlin:20231207T130000
DTSTAMP:20260409T120831
CREATED:20231010T132450Z
LAST-MODIFIED:20231120T154730Z
UID:6533-1701946800-1701954000@crc326gaus.de
SUMMARY:Emerton-Gee-Stacks
DESCRIPTION:Talk 7: Max Witzelsperger (Universität Heidelberg): Moduli stacks of (φ\, Γ)-modules I – construction of the stack
URL:https://crc326gaus.de/event/emerton-gee-stacks-7/
LOCATION:Heidelberg\, Mathematikon\, SR 8 and Zoom\, INF 205\, Heidelberg\, Germany
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231206T160000
DTEND;TZID=Europe/Berlin:20231206T170000
DTSTAMP:20260409T120831
CREATED:20231120T080333Z
LAST-MODIFIED:20231127T102533Z
UID:7047-1701878400-1701882000@crc326gaus.de
SUMMARY:Global Smoothings of Toroidal Crossing Varieties
DESCRIPTION:Oberseminar Algebra und Geometrie \nHelge Ruddat (University of Stavanger) \nAs a natural generalization of normal crossing singularities\, I am going to define toroidal crossing singularities and toroidal crossing varieties and explain how to produce them in large quantities by subdividing lattice polytopes. I will then explain the statement of a global smoothing theorem proved jointly with Felten and Filip. The theorem follows the tradition of well-known theorems by Friedman\, Kawamata-Namikawa and Gross-Siebert. In order to apply a variant of the theorem to construct (conjecturally all) projective Fano manifolds with non-empty anticanonical divisor\, Corti and Petracci discovered the necessity to allow for particular singular log structures that are known by the inspiring name “admissible”‘. I will explain the beautiful classical geometric curve-in-surface geometry that underlies this notion and hint at why we believe that we can feed these singular log structures into the smoothing theorem in order to produce all 98 Fano threefolds with very ample anticanonical class by a single method.
URL:https://crc326gaus.de/event/tba-94/
LOCATION:Frankfurt\, Robert-Mayer-Str. 10\, Raum 711 groß
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231205T160000
DTEND;TZID=Europe/Berlin:20231205T170000
DTSTAMP:20260409T120831
CREATED:20231009T104848Z
LAST-MODIFIED:20231128T105630Z
UID:6411-1701792000-1701795600@crc326gaus.de
SUMMARY:Murmurations of holomorphic modular forms in the weight aspect
DESCRIPTION:International Seminar on Automorphic Forms \nMin Lee (University of Bristol) \nIn April 2022\, He\, Lee\, Oliver\, and Pozdnyakov made an interesting discovery using machine learning – a surprising correlation between the root numbers of elliptic curves and the coefficients of their L-functions. They coined this correlation ‘murmurations of elliptic curves.’ Naturally\, one might wonder whether we can identify a common thread of ‘murmurations’ in other families of L-functions. In this talk\, I will introduce a joint work with Jonathan Bober\, Andrew R. Booker and David Lowry-Duda\, demonstrating murmurations in holomorphic modular forms. \nhttps://tu-darmstadt.zoom.us/j/68048280736 \nThe password is the first Fourier coefficient of the modular j-function (as digits).
URL:https://crc326gaus.de/event/tba-67/
LOCATION:Zoom
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Claire Burrin":MAILTO:claire.burrin@math.uzh.ch
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231205T153000
DTEND;TZID=Europe/Berlin:20231205T170000
DTSTAMP:20260409T120831
CREATED:20231016T110452Z
LAST-MODIFIED:20231128T125246Z
UID:6696-1701790200-1701795600@crc326gaus.de
SUMMARY:Theta functions for the projective plane relative a smooth cubic
DESCRIPTION:Seminar on Arithmetic Geometry \nHelge Ruddat (University of Stavanger) \nGross-Hacking-Siebert generalized the classical Jacobi theta function from abelian varieties to more general log Calabi-Yau manifolds. Landau-Ginzburg superpotentials in mathematical physics give particular examples of such theta functions. Zaslow\, Gräfnitz and I compute the Landau-Ginzburg superpotential of the mirror symmetry dual of P^2 relative a smooth elliptic curve. This infinite power series is tropically defined and can be identified with a generating function for 2-contact point rational Gromov-Witten invariants of (X\,E). We found that this series also equals the open mirror map for outer Aganagic-Vafa branes in the canonical bundle K_X\, so it is closely related to a solution to a Lerche-Mayr system of two differential equations and it is also a generating function of holomorphic disk counts. The fundamental structure used to study theta functions is the wall structure. I am going to explain the background and usefulness of this recent technology. \nZoom (635 7328 0984\, Password: smallest six digit prime).
URL:https://crc326gaus.de/event/tba-85/
LOCATION:Darmstadt\, Room 244 and Zoom\, Schlossgartenstraße 7\, Darmstadt\, 64289
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Sabrina Pauli":MAILTO:pauli@mathematik.tu-darmstadt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20231205
DTEND;VALUE=DATE:20231206
DTSTAMP:20260409T120831
CREATED:20231127T140317Z
LAST-MODIFIED:20231128T132114Z
UID:7274-1701734400-1701820799@crc326gaus.de
SUMMARY:Junior AG
DESCRIPTION:Knots and Primes \n10:00-11:00 Thorger Geiß\n11:00-11:20 Break\n11:20-12:20 Leonie Scherer\n12:20-13:30 Lunch break\n13:30-14:30 Tim Holzschuh\n14:30-14:50 Break\n14:50-15:50 Jaro Eichler\n15:50-16:50 Long coffee break in common room\n16:50-17:50 Alireza Shavali\n17:50-18:10 Discussion of the next topic\n18.10-          Dinner in Heidelberg and Christmas Markets \nFor further details see Programme.
URL:https://crc326gaus.de/event/junior-ag/
CATEGORIES:GAUS-Event
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231201T153000
DTEND;TZID=Europe/Berlin:20231201T170000
DTSTAMP:20260409T120831
CREATED:20231016T110225Z
LAST-MODIFIED:20231121T073143Z
UID:6694-1701444600-1701450000@crc326gaus.de
SUMMARY:Wonderful compactification over an arbitrary base scheme
DESCRIPTION:Seminar on Arithmetic Geometry \nWonderful compactifications of adjoint reductive groups over an algebraically closed field play an important role in algebraic geometry and representation theory. In this talk\, we will construct an equivariant compactification for adjoint reductive groups over arbitrary base schemes\, which parameterize classical wonderful compactifications of De Concini and Procesi as geometric fibers. Our construction is based on a variant of the Artin–Weil method of birational group laws. In particular\, our construction gives a new intrinsic construction of wonderful compactifications. If time permits\, we will also discuss several applications of our compactification in the study of torsors under reductive group schemes. \nShang Li (Paris-Saclay University) \nZoom (635 7328 0984\, Password: smallest six digit prime).
URL:https://crc326gaus.de/event/tba-84/
LOCATION:Darmstadt\, Room 401 and Zoom\, Schlossgartenstraße 7\, Darmstadt\, 64289\, Germany
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Sabrina Pauli":MAILTO:pauli@mathematik.tu-darmstadt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231201T133000
DTEND;TZID=Europe/Berlin:20231201T150000
DTSTAMP:20260409T120831
CREATED:20231117T115653Z
LAST-MODIFIED:20231124T131815Z
UID:7042-1701437400-1701442800@crc326gaus.de
SUMMARY:A "Galois" categorical p-adic local Langlands for GL(2\,Qp)
DESCRIPTION:Christian Johansson (Universität Göteborg) \nI will introduce the p-adic local Langlands correspondence for GL(2\,Qp)\, in the forms established by Colmez and Paskunas\, and then give an interpretation of it as an embedding of categories (a form of “localization”). Time permitting\, I will also discuss local-global formulas for singular cohomology of modular curves that you can get from this framework. This is joint work with James Newton and Carl Wang-Erickson.
URL:https://crc326gaus.de/event/tba-60/
LOCATION:Heidelberg\, Mathematikon\, SR A and Livestream
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231201T101500
DTEND;TZID=Europe/Berlin:20231201T114500
DTSTAMP:20260409T120831
CREATED:20231121T123413Z
LAST-MODIFIED:20231122T133633Z
UID:7173-1701425700-1701431100@crc326gaus.de
SUMMARY:Exodromy
DESCRIPTION:Lorenzo Mantovani (Universität Mainz): Shape theory
URL:https://crc326gaus.de/event/exodromy-6/
LOCATION:Mainz\, Raum 05-514
CATEGORIES:GAUS-AG
ORGANIZER;CN="Tom Bachmann":MAILTO:tom.bachmann@uni-mainz.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231201T091500
DTEND;TZID=Europe/Berlin:20231201T104500
DTSTAMP:20260409T120831
CREATED:20231025T114151Z
LAST-MODIFIED:20231025T114151Z
UID:6799-1701422100-1701427500@crc326gaus.de
SUMMARY:Rigid meromorphic cocycles
DESCRIPTION:RM values of rigid meromorphic cocycles (Gebhard Böckle)
URL:https://crc326gaus.de/event/rigid-meromorphic-cocycles-7/
LOCATION:Heidelberg\, Mathematikon\, SR 8 und Zoom\, Germany
CATEGORIES:GAUS-AG
ORGANIZER;CN="O%C4%9Fuz Gezmi%C5%9F":MAILTO:oguz.gezmis@iwr.uni-heidelberg.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231130T150000
DTEND;TZID=Europe/Berlin:20231130T163000
DTSTAMP:20260409T120831
CREATED:20231009T094610Z
LAST-MODIFIED:20231120T111428Z
UID:6382-1701356400-1701361800@crc326gaus.de
SUMMARY:Rigid Analytic Motives
DESCRIPTION:Talk 7: Lucas Gerth (Goethe University Frankfurt): Rigid analytic motives I: definition\, analytification\, and 6 functors \nZoom meeting ID: 612 2072 7363\, Password: Largest six digit prime number.
URL:https://crc326gaus.de/event/rigid-analytic-motives-21/
LOCATION:Darmstadt\, Room 244 and Zoom\, Schlossgartenstraße 7\, Darmstadt\, 64289
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231130T110000
DTEND;TZID=Europe/Berlin:20231130T170000
DTSTAMP:20260409T120831
CREATED:20231010T132308Z
LAST-MODIFIED:20231120T155729Z
UID:6531-1701342000-1701363600@crc326gaus.de
SUMMARY:Emerton-Gee-Stacks
DESCRIPTION:Talk 6: Marlon Kocher (Universität Heidelberg): Moduli stacks of étale φ-modules
URL:https://crc326gaus.de/event/emerton-gee-stacks-6/
LOCATION:Heidelberg\, Mathematikon\, SR 8 and Zoom\, INF 205\, Heidelberg\, Germany
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231129T133000
DTEND;TZID=Europe/Berlin:20231129T171500
DTSTAMP:20260409T120831
CREATED:20231024T083735Z
LAST-MODIFIED:20231024T083753Z
UID:6770-1701264600-1701278100@crc326gaus.de
SUMMARY:Anabelian geometry
DESCRIPTION:13:30 – 14:30  Talk 5: Marius Leonhardt (Universität Heidelberg): Applications of the fundamental gerbe \n14:45 – 15:45  Talk 6: Jakob Stix\, Marcin Lara (Goethe Universität Frankfurt): Printability: intro and tools \n16:15 – 17:15  Talk 7: Jakob Stix\, Marcin Lara (Goethe Universität Frankfurt): Printability: proofs of the main results
URL:https://crc326gaus.de/event/anabelian-geometry-copy/
LOCATION:Frankfurt\, Robert-Mayer-Str. 6-8\, Raum 310\, Deutschland
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231128T160000
DTEND;TZID=Europe/Berlin:20231128T170000
DTSTAMP:20260409T120831
CREATED:20231009T104721Z
LAST-MODIFIED:20231123T081516Z
UID:6409-1701187200-1701190800@crc326gaus.de
SUMMARY:Restricted Arithmetic Quantum Unique Ergodicity
DESCRIPTION:International Seminar on Automorphic Forms \nThe quantum unique ergodicity conjecture of Rudnick and Sarnak concerns the mass equidistribution in the large eigenvalue limit of Laplacian eigenfunctions on negatively curved manifolds. This conjecture has been resolved by Lindenstrauss when this manifold is the modular surface assuming these eigenfunctions are additionally Hecke eigenfunctions\, namely Hecke-Maass cusp forms. I will discuss a variant of this problem in this arithmetic setting concerning the mass equidistribution of Hecke-Maass cusp forms on submanifolds of the modular surface. \nPeter Humphries (University of Virginia) \nhttps://tu-darmstadt.zoom.us/j/68048280736 \nThe password is the first Fourier coefficient of the modular j-function (as digits).
URL:https://crc326gaus.de/event/tba-66/
LOCATION:Zoom
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Claire Burrin":MAILTO:claire.burrin@math.uzh.ch
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231124T153000
DTEND;TZID=Europe/Berlin:20231124T170000
DTSTAMP:20260409T120831
CREATED:20231016T110102Z
LAST-MODIFIED:20231115T094550Z
UID:6692-1700839800-1700845200@crc326gaus.de
SUMMARY:The quadratic Euler characteristic of a smooth projective same-degree complete intersection
DESCRIPTION:Seminar on Arithmetic Geometry \nAnneloes Viergever (University of Duisburg-Essen) \nZoom (635 7328 0984\, Password: smallest six digit prime).
URL:https://crc326gaus.de/event/tba-83/
LOCATION:Darmstadt\, Room 401 and Zoom\, Schlossgartenstraße 7\, Darmstadt\, 64289\, Germany
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Sabrina Pauli":MAILTO:pauli@mathematik.tu-darmstadt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231124T101500
DTEND;TZID=Europe/Berlin:20231124T114500
DTSTAMP:20260409T120831
CREATED:20231121T123243Z
LAST-MODIFIED:20231122T133604Z
UID:7171-1700820900-1700826300@crc326gaus.de
SUMMARY:Exodromy
DESCRIPTION:Luca Passolunghi (Universität Mainz): Bounded coherent ∞-topoi
URL:https://crc326gaus.de/event/exodromy-5/
LOCATION:Mainz\, Raum 05-514
CATEGORIES:GAUS-AG
ORGANIZER;CN="Tom Bachmann":MAILTO:tom.bachmann@uni-mainz.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231124T091500
DTEND;TZID=Europe/Berlin:20231124T104500
DTSTAMP:20260409T120831
CREATED:20231025T113957Z
LAST-MODIFIED:20231025T113957Z
UID:6797-1700817300-1700822700@crc326gaus.de
SUMMARY:Rigid meromorphic cocycles
DESCRIPTION:The Schneider–Teitelbaum lift and the Dedekind–Rademacher cocycle (Judith Ludwig)
URL:https://crc326gaus.de/event/rigid-meromorphic-cocycles-6/
LOCATION:Heidelberg\, Mathematikon\, SR 8 und Zoom\, Germany
CATEGORIES:GAUS-AG
ORGANIZER;CN="O%C4%9Fuz Gezmi%C5%9F":MAILTO:oguz.gezmis@iwr.uni-heidelberg.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231123T150000
DTEND;TZID=Europe/Berlin:20231123T163000
DTSTAMP:20260409T120831
CREATED:20231009T094345Z
LAST-MODIFIED:20231120T111354Z
UID:6380-1700751600-1700757000@crc326gaus.de
SUMMARY:Rigid Analytic Motives
DESCRIPTION:Talk 6: Christopher Lang (TU Darmstadt): Rigid analytic spaces II – Raynaud’s rigid spaces \nZoom meeting ID: 612 2072 7363\, Password: Largest six digit prime number.
URL:https://crc326gaus.de/event/rigid-analytic-motives-20/
LOCATION:Darmstadt\, Room 244 and Zoom\, Schlossgartenstraße 7\, Darmstadt\, 64289
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231123T141500
DTEND;TZID=Europe/Berlin:20231123T151500
DTSTAMP:20260409T120831
CREATED:20231012T085916Z
LAST-MODIFIED:20231113T130726Z
UID:6650-1700748900-1700752500@crc326gaus.de
SUMMARY:Combing a hedgehog over a field
DESCRIPTION:Alexey Ananyevskiy (LMU München) \nA classical result in differential topology says that there are no nowhere vanishing vector fields on a 2-sphere. One may ask a similar question in algebraic geometry: does the tangent bundle to a sphere given by the equation x^2+y^2+z^2=1 over some field k have a nowhere vanishing section? Or more generally\, when does the tangent bundle on an affine quadratic q=1 with q being a homogeneous degree 2 polynomial have a nowhere vanishing section? We give an essentially full answer to this question assuming that the quadric q=1 has a rational point. In particular\, the 2-sphere x^2+y^2+z^2=1 over a field k has a nowhere vanishing vector field if and only if -1 is a sum of 4 squares in k. The proof uses a mixture of results from the motivic homotopy theory\, Chow-Witt rings and some constructions from the theory of quadratic forms.\nThis is a joint work with Marc Levine. \nZoom Meeting-ID: 967 5163 9626 \nPasscode: last name of famous mathematician born in Königsberg (small letters)
URL:https://crc326gaus.de/event/tba-77/
LOCATION:Mainz\, Hilbertraum 05-432
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231123T110000
DTEND;TZID=Europe/Berlin:20231123T130000
DTSTAMP:20260409T120831
CREATED:20231010T132206Z
LAST-MODIFIED:20231120T160108Z
UID:6529-1700737200-1700744400@crc326gaus.de
SUMMARY:Emerton-Gee-Stacks
DESCRIPTION:Talk 5: Marvin Schneider (Universität Heidelberg ): φ- and (φ\, Γ)-modules with A-coefficients
URL:https://crc326gaus.de/event/emerton-gee-stacks-5/
LOCATION:Heidelberg\, Mathematikon\, SR 8 and Zoom\, INF 205\, Heidelberg\, Germany
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20231121T160000
DTEND;TZID=Europe/Berlin:20231121T170000
DTSTAMP:20260409T120831
CREATED:20231009T104539Z
LAST-MODIFIED:20231113T102401Z
UID:6407-1700582400-1700586000@crc326gaus.de
SUMMARY:Around the Gauss circle problem
DESCRIPTION:International Seminar on Automorphic Forms \nSteve Lester (King’s College London) \nHardy conjectured that the error term arising from approximating the number of lattice points lying in a radius-R disc by its area is O(R^{1/2+o(1)}). One source of support for this conjecture is a folklore heuristic that uses i.i.d. random variables to model the lattice points lying near the boundary and square-root cancellation of sums of these random variables. In this talk I will examine this heuristic and discuss how lattice points near the circle interact with one another. This is joint work with Igor Wigman. \nhttps://tu-darmstadt.zoom.us/j/68048280736 \nThe password is the first Fourier coefficient of the modular j-function (as digits).
URL:https://crc326gaus.de/event/tba-65/
LOCATION:Zoom
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Claire Burrin":MAILTO:claire.burrin@math.uzh.ch
END:VEVENT
END:VCALENDAR