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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230616T133000
DTEND;TZID=Europe/Berlin:20230616T150000
DTSTAMP:20260403T223454
CREATED:20230606T115957Z
LAST-MODIFIED:20230606T115957Z
UID:5914-1686922200-1686927600@crc326gaus.de
SUMMARY:On the K-theory of Z/p^n
DESCRIPTION:Dr. Achim Krause (Universität Heidelberg) \nAbstract: Algebraic K-theory is an invariant of rings that is notoriously hard to compute\, especially in non-regular situations. For example\, Quillen computed the K-theory of finite fields already in 1972\, but the case of rings of the form Z/p^n for n>1 has been out of reach until now. In joint work with Antieau and Nikolaus\, we apply Prismatic Cohomology to this problem\, leading to both a practical algorithm to compute these groups\, as well as surprising results on their large-degree behaviour.
URL:https://crc326gaus.de/event/on-the-k-theory-of-z-pn/
LOCATION:Heidelberg\, Mathematikon\, SR A and Livestream
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Marius Leonhardt":MAILTO:mleonhardt@mathi.uni-heidelberg.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230614T131500
DTEND;TZID=Europe/Berlin:20230614T144500
DTSTAMP:20260403T223454
CREATED:20230404T125409Z
LAST-MODIFIED:20230511T130147Z
UID:5316-1686748500-1686753900@crc326gaus.de
SUMMARY:Superconnections\, Theta series and period domains
DESCRIPTION:Weil Representation and Modularity \nChristina Röhrig (TU Darmstadt) \nZoom meeting ID 667 3384 5311 \nPassword on request.
URL:https://crc326gaus.de/event/superconnections-theta-series-and-period-domains-5/
LOCATION:Darmstadt\, Room 244 and Zoom\, Schlossgartenstraße 7\, Darmstadt\, 64289
CATEGORIES:GAUS-AG
ORGANIZER;CN="Jan Hendrik Bruinier":MAILTO:bruinier@mathematik.tu-darmstadt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230613T140000
DTEND;TZID=Europe/Berlin:20230613T160000
DTSTAMP:20260403T223454
CREATED:20230508T082054Z
LAST-MODIFIED:20231114T151118Z
UID:5755-1686664800-1686672000@crc326gaus.de
SUMMARY:Sen Operators and Lie Algebras arising from Galois Representations over p-adic Varieties
DESCRIPTION:Seminar: Non-archimedean geometry \nTongmu He \nAbstract: Any finite-dimensional p-adic representation of the absolute Galois group of a p-adic local field with imperfect residue field is characterized by its arithmetic and geometric Sen operators defined by Sen and Brinon. We generalize their construction to the fundamental group of a p-adic affine variety with a semi-stable chart\, and prove that the module of Sen operators is canonically defined\, independently of the choice of the chart. When the representation comes from a Qp-representation of the fundamental group\, we relate the infinitesimal action of inertia subgroups with Sen operators\, which is a generalization of a result of Sen and Ohkubo. These Sen operators can be extended continuously to certain infinite-dimensional representations. As an application\, we prove that the geometric Sen operators annihilate locally analytic vectors\, generalizing a result of Pan.
URL:https://crc326gaus.de/event/tba-copy-2/
LOCATION:Frankfurt\, Robert-Mayer-Str. 6-8\, Raum 308
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Annette Werner":MAILTO:werner[at]math.uni-frankfurt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230613T090000
DTEND;TZID=Europe/Berlin:20230613T100000
DTSTAMP:20260403T223454
CREATED:20230414T123441Z
LAST-MODIFIED:20230612T113540Z
UID:5399-1686646800-1686650400@crc326gaus.de
SUMMARY:Indefinite Theta Functions: something old\, something new
DESCRIPTION:International Seminar on Automorphic Forms \nSander Zwegers (University of Cologne) \nIn this talk we give an overview of the theory of indefinite theta functions and discuss some recent results. \nYou can join the Zoom meeting at https://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-43/
LOCATION:Zoom
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Claire Burrin":MAILTO:claire.burrin@math.uzh.ch
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230612T140000
DTEND;TZID=Europe/Berlin:20230612T153000
DTSTAMP:20260403T223454
CREATED:20230417T122312Z
LAST-MODIFIED:20230511T124520Z
UID:5497-1686578400-1686583800@crc326gaus.de
SUMMARY:Prismatization
DESCRIPTION:Marcin Lara (Uni Frankfurt): Hodge filtered de Rham cohomology of p-adic formal schemes \nhttps://tu-darmstadt.zoom.us/j/62421505417?pwd=NDhEdUJPb0RaUTNzQyt4R0U1N2lzUT09 \nMeeting-ID: 624 2150 5417\nKenncode: 100002
URL:https://crc326gaus.de/event/prismatization-7/
LOCATION:Darmstadt and Mainz and Zoom
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20230612
DTEND;VALUE=DATE:20230617
DTSTAMP:20260403T223454
CREATED:20230322T104758Z
LAST-MODIFIED:20230322T143037Z
UID:5161-1686528000-1686959999@crc326gaus.de
SUMMARY:Conference on Arithmetic\, Birational Geometry\, and Moduli Spaces
DESCRIPTION:
URL:https://crc326gaus.de/event/conference-arithmetic-birational-geometry-and-moduli-spaces/
LOCATION:Brown University\, Providence\, RI\, USA
CATEGORIES:GAUS-Workshop
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230606T160000
DTEND;TZID=Europe/Berlin:20230606T170000
DTSTAMP:20260403T223454
CREATED:20230414T123320Z
LAST-MODIFIED:20230523T084241Z
UID:5397-1686067200-1686070800@crc326gaus.de
SUMMARY:Artin's primitive root conjecture: classically and over Fq[T]
DESCRIPTION:International Seminar on Automorphic Forms \nIn 1927\, E. Artin proposed a conjecture for the number of primes p ≤ x\, for which g generates (ℤ/pℤ)x. By observing numerical deviations from Artin’s originally predicted asymptotic\, Derrick and Emma Lehmer (1957) identified the need for an additional correction factor; leading to a modified conjecture that was eventually proved correct by Hooley (1967)\, under the assumption of the Generalized Riemann Hypothesis (GRH). In this talk we discuss several variants of Artin’s conjecture: namely an “Artin Twin Primes Conjecture”\, as well as an appropriate analogue of Artin’s primitive root conjecture for algebraic function fields. \nEzra Waxman (University of Haifa) \nYou can join the Zoom meeting at https://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-42/
LOCATION:Zoom
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Claire Burrin":MAILTO:claire.burrin@math.uzh.ch
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230606T140000
DTEND;TZID=Europe/Berlin:20230606T160000
DTSTAMP:20260403T223454
CREATED:20230508T083012Z
LAST-MODIFIED:20230519T151050Z
UID:5759-1686060000-1686067200@crc326gaus.de
SUMMARY:Torsion points of elliptic curves via Berkovich spaces over Z
DESCRIPTION:Seminar: Non-archimedean geometry \nJérôme Poineau \nAbstract: Berkovich spaces over Z may be seen as fibrations containing complex analytic spaces as well as p-adic analytic spaces\, for every prime number p. We will give an introduction to those spaces and explain how they may be used in an arithmetic context to prove height inequalities. As an application\, following a strategy by DeMarco-Krieger-Ye\, we will give a proof of a conjecture of Bogomolov-Fu-Tschinkel on uniform bounds on the number of common images on P^1 of torsion points of two elliptic curves.
URL:https://crc326gaus.de/event/tba-58/
LOCATION:Frankfurt\, Robert-Mayer-Str. 6-8\, Raum 308
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Annette Werner":MAILTO:werner[at]math.uni-frankfurt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230606T133000
DTEND;TZID=Europe/Berlin:20230606T150000
DTSTAMP:20260403T223454
CREATED:20230505T110420Z
LAST-MODIFIED:20230505T110420Z
UID:5746-1686058200-1686063600@crc326gaus.de
SUMMARY:Vectorial Drinfeld modular forms over Tate algebras
DESCRIPTION:Oğuz Gezmiş: Hecke operators \nOur goal in the last talk is to study Hecke operators acting on the space of VDMFs and consequences of such an action for Drinfeld modular forms. In particular\, applying hyperderivatives and evaluating the coordinates of vectorial modular forms at roots of unity\, we will obtain Hecke eigenforms for certain congruence subgroups of GL2(A). We start with defining the slash operator and the Hecke operator Tp for each monic irreducible polynomial p in A. Later on\, we give the necessary ideas for the proof of [PP18\, Prop. 5.12\, Prop. 5.18] and briefly mention why the regularity condition is required for the stability of the space of VDMFs under Hecke operators [PP18\, Rem. 5.13]. We continue with giving some examples of Hecke eigenforms in our setting and analyze the behavior of vectorial Eisenstein series under Tp as well as provide a sketch of a proof for [PP18\, Cor. 5.23-5.24]. The main reference for the talk is [PP18\, §5–5.3].
URL:https://crc326gaus.de/event/vectorial-drinfeld-modular-forms-over-tate-algebras-7/
LOCATION:Heidelberg\, Mathematikon\, SR 8 and Zoom\, INF 205\, Heidelberg\, 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:20230605T140000
DTEND;TZID=Europe/Berlin:20230605T153000
DTSTAMP:20260403T223454
CREATED:20230417T122110Z
LAST-MODIFIED:20230511T124443Z
UID:5495-1685973600-1685979000@crc326gaus.de
SUMMARY:Prismatization
DESCRIPTION:Lorenzo Mantovani (Uni Mainz):  G# a and GdR \nhttps://tu-darmstadt.zoom.us/j/62421505417?pwd=NDhEdUJPb0RaUTNzQyt4R0U1N2lzUT09 \nMeeting-ID: 624 2150 5417\nKenncode: 100002
URL:https://crc326gaus.de/event/prismatization-6/
LOCATION:Darmstadt and Mainz and Zoom
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230602T133000
DTEND;TZID=Europe/Berlin:20230602T150000
DTSTAMP:20260403T223454
CREATED:20230526T132702Z
LAST-MODIFIED:20230526T132702Z
UID:5887-1685712600-1685718000@crc326gaus.de
SUMMARY:Intersections of components of Emerton-Gee stack for GL2
DESCRIPTION:Kalyani Kansal (Johns Hopkins University) \nAbstract: The Emerton-Gee stack for GL2 is a stack of (phi\, Gamma)-modules of rank two. Its reduced part\, X\, is an algebraic stack of finite type over a finite field\, and it can be viewed as a moduli stack of mod p representations of a p-adic Galois group. We compute criteria for codimension one intersections of the irreducible components of X. We interpret these criteria in terms of representation theory of GL2\, motivated by conjectural categorical p-adic and mod p Langlands correspondence. We also give a representation-theoretic cohomological criterion for the number of top-dimensional components in a codimension one intersection.
URL:https://crc326gaus.de/event/intersections-of-components-of-emerton-gee-stack-for-gl2/
LOCATION:Heidelberg\, Mathematikon\, SR A and Livestream
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230601T151500
DTEND;TZID=Europe/Berlin:20230601T174500
DTSTAMP:20260403T223454
CREATED:20230329T115104Z
LAST-MODIFIED:20230426T065913Z
UID:5248-1685632500-1685641500@crc326gaus.de
SUMMARY:Bridgeland stability conditions and applications
DESCRIPTION:Talk 7: R. Zuffetti (TU Darmstadt): Stability conditions on surfaces \nTalk 8: J. So (GU Frankfurt): Walls and chambers
URL:https://crc326gaus.de/event/bridgeland-stability-conditions-and-applications-3/
LOCATION:Frankfurt\, Robert-Mayer-Str. 10\, Raum 711 groß
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230601T141500
DTEND;TZID=Europe/Berlin:20230601T151500
DTSTAMP:20260403T223454
CREATED:20230321T082143Z
LAST-MODIFIED:20230519T080320Z
UID:5120-1685628900-1685632500@crc326gaus.de
SUMMARY:Motivic homotopy theory beyond A^1-invariance
DESCRIPTION:Ryomei Iwasa (Paris) \nAbstract: The basic question I’d like to address in this talk is the following: How to do homotopy theory in algebraic geometry while keeping the affine line A^1 non-contractible? I will explain that tensor invertibility of the pointed projective line P^1 supplies homotopies between projective bundle sections in a non-trivial but canonical way. This dramatically expands the scope of motivic homotopy theory\, and non-A^1-invariant theories such as syntomic cohomology\, prismatic cohomology\, algebraic K-theory\, and topological cyclic homology can be studied from this perspective. In particular\, I’ll explain that algebraic and Selmer K-theory are described by Snaith-type formulas. Based on joint work with Toni Annala and Marc Hoyois.
URL:https://crc326gaus.de/event/tba-35/
LOCATION:Mainz\, Hilbertraum (05-432)
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230601T093000
DTEND;TZID=Europe/Berlin:20230601T110000
DTSTAMP:20260403T223454
CREATED:20230425T143644Z
LAST-MODIFIED:20230425T143644Z
UID:5652-1685611800-1685617200@crc326gaus.de
SUMMARY:Six functor formalism and Poincaré duality
DESCRIPTION:Talk 5: Morten Lüders (Universität Heidelberg): Symmetric monoidal ∞-categories and 6FF
URL:https://crc326gaus.de/event/six-functor-formalism-and-poincare-duality-5/
LOCATION:Heidelberg\, Mathematikon\, SR 8 und Zoom\, Germany
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230531T161500
DTEND;TZID=Europe/Berlin:20230531T171500
DTSTAMP:20260403T223454
CREATED:20230516T065816Z
LAST-MODIFIED:20230516T121814Z
UID:5835-1685549700-1685553300@crc326gaus.de
SUMMARY:Hidden structures on de Rham cohomology of p-adic analytic varieties
DESCRIPTION:Oberseminar Algebra und Geometrie \nWieslawa Niziol (CNRS\,  Sorbonne Université\, Paris) \nAbstract: I will survey what we know about extra structures (Hodge filtration\, Frobenius\, monodromy) appearing on de Rham cohomology of analytic varieties over local fields of mixed characteristic.
URL:https://crc326gaus.de/event/hidden-structures-on-de-rham-cohomology-of-p-adic-analytic-varieties/
LOCATION:Frankfurt\, Robert-Mayer-Str. 10\, Raum 711 groß
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230531T131500
DTEND;TZID=Europe/Berlin:20230531T170000
DTSTAMP:20260403T223454
CREATED:20230404T125149Z
LAST-MODIFIED:20230511T130100Z
UID:5314-1685538900-1685552400@crc326gaus.de
SUMMARY:Superconnections\, Theta series and period domains
DESCRIPTION:Relations with the Kudla–Millson forms \nGabriele Bogo (TU Darmstadt) \nZoom meeting ID 667 3384 5311 \nPassword on request.
URL:https://crc326gaus.de/event/superconnections-theta-series-and-period-domains-4/
LOCATION:Darmstadt\, Room 244 and Zoom\, Schlossgartenstraße 7\, Darmstadt\, 64289
CATEGORIES:GAUS-AG
ORGANIZER;CN="Jan Hendrik Bruinier":MAILTO:bruinier@mathematik.tu-darmstadt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230530T140000
DTEND;TZID=Europe/Berlin:20230530T160000
DTSTAMP:20260403T223454
CREATED:20230508T081909Z
LAST-MODIFIED:20230516T121616Z
UID:5753-1685455200-1685462400@crc326gaus.de
SUMMARY:On Emerton's factorization of completed cohomology
DESCRIPTION:Seminar: Non-archimedean geometry \nPierre Colmez (CNRS\, Sorbonne Université\, Paris) \nAbstract: Emerton has given a factorization of the completed cohomology of the tower of modular curves\, separating the contributions of all the groups that act (i.e.\, the absolute Galois group of ${\mathbb Q}$ and the ${\mathrm GL}_2({\mathbb Q}_\ell)$ for all primes $\ell$).\nI will explain how one can use p-adic Hodge theory to construct a Kirillov model for the completed cohomology and obtain a more direct construction of this factorization.
URL:https://crc326gaus.de/event/tba-57/
LOCATION:Frankfurt\, Robert-Mayer-Str. 6-8\, Raum 308
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Annette Werner":MAILTO:werner[at]math.uni-frankfurt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230530T133000
DTEND;TZID=Europe/Berlin:20230530T150000
DTSTAMP:20260403T223454
CREATED:20230505T110009Z
LAST-MODIFIED:20230505T110009Z
UID:5744-1685453400-1685458800@crc326gaus.de
SUMMARY:Vectorial Drinfeld modular forms over Tate algebras
DESCRIPTION:Sriram Chinthalagiri Venkata: Drinfeld modular forms of prime power levels via vectorial modular forms \nWe now focus on another application of VDMFs for obtaining Drinfeld modular forms of\ncertain level. This will be done by evaluating T-valued functions on a particular point of C∞\nas well as taking the hyperderivatives of entries of VDMFs. More precisely\, the talk should\ncover the content of [PP18\, Prop. 4.11] and [PP18\, Prop. 4.19]. Hence it should be organized\nso that all necessary background\, such as Drinfeld modular forms for congruence subgroups and notion of hyperderivatives\, to achieve the above mentioned results are introduced. The main references are [PP18\, §4.1–4.2.4] and [PP18\, §4.4–4.4.2].
URL:https://crc326gaus.de/event/vectorial-drinfeld-modular-forms-over-tate-algebras-6/
LOCATION:Heidelberg\, Mathematikon\, SR 8 and Zoom\, INF 205\, Heidelberg\, 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:20230530T090000
DTEND;TZID=Europe/Berlin:20230530T100000
DTSTAMP:20260403T223454
CREATED:20230414T123131Z
LAST-MODIFIED:20230523T085021Z
UID:5395-1685437200-1685440800@crc326gaus.de
SUMMARY:Discontinuity property of a certain Habiro series at roots of unity
DESCRIPTION:International Seminar on Automorphic Forms \nToshiki Matsusaka (Kyushu University) \nThe object of this talk is a family of q-series originating from Habiro’s work on the Witten-Reshetikhin-Turaev invariants. The q-series usually make sense only when q is a root of unity\, but for some instances\, it also determines a holomorphic function on the open unit disc. Such an example is Habiro’s unified WRT invariant H(q) for the Poincaré homology sphere. In 2007\, Hikami observed its discontinuity at roots of unity. More precisely\, the value of H(ζ) at a root of unity is 1/2 times the limit value of H(q) as q tends towards ζ radially within the unit disc. In this talk\, we give an explanation of the appearance of the 1/2 factor and generalize Hikami’s observations by using Bailey’s lemma and the theory of mock/false theta functions. \nYou can join the Zoom meeting at https://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-41/
LOCATION:Zoom
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Claire Burrin":MAILTO:claire.burrin@math.uzh.ch
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230526T133000
DTEND;TZID=Europe/Berlin:20230526T150000
DTSTAMP:20260403T223454
CREATED:20230517T134409Z
LAST-MODIFIED:20230519T185959Z
UID:5864-1685107800-1685113200@crc326gaus.de
SUMMARY:An equivariant local epsilon constant conjecture
DESCRIPTION:Alessandro Cobbe (Universität Heidelberg)\nAbstract: The local epsilon constant conjecture in the formulation by Breuning of 2004 fits into the general framework of the equivariant Tamagawa number conjecture (ETNC) and should be interpreted as a consequence of the expected compatibility of the ETNC with the functional equation of Artin-L-functions. It relates local epsilon constants\, which are associated to L-functions\, to some terms which originate from local Galois cohomology groups of Z_p(1). We will also look at more general versions of the conjecture\, obtained by twisting Z_p(1) with unramified representations. This is joint work with Werner Bley.
URL:https://crc326gaus.de/event/tba-56/
LOCATION:Heidelberg\, Mathematikon\, SR A and Livestream
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Marius Leonhardt":MAILTO:mleonhardt@mathi.uni-heidelberg.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230525T151500
DTEND;TZID=Europe/Berlin:20230525T174500
DTSTAMP:20260403T223454
CREATED:20230329T114449Z
LAST-MODIFIED:20230503T090642Z
UID:5242-1685027700-1685036700@crc326gaus.de
SUMMARY:Bridgeland stability conditions and applications
DESCRIPTION:Talk 5: K. Kühn (Goethe Universität Frankfurt): Stability conditions on triangulated categories \nTalk 6: J. Horn (Goethe Universität Frankfurt): The stability manifold
URL:https://crc326gaus.de/event/bridgeland-stability-conditions-and-applications-4/
LOCATION:Frankfurt\, Robert-Mayer-Str. 10\, Raum 711 groß
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230525T093000
DTEND;TZID=Europe/Berlin:20230525T110000
DTSTAMP:20260403T223454
CREATED:20230425T143407Z
LAST-MODIFIED:20230425T143407Z
UID:5650-1685007000-1685012400@crc326gaus.de
SUMMARY:Six functor formalism and Poincaré duality
DESCRIPTION:Talk 4: Christian Dahlhausen (Universität Heidelberg): 6FF: ∞-categorical background
URL:https://crc326gaus.de/event/six-functor-formalism-and-poincare-duality-4/
LOCATION:Heidelberg\, Mathematikon\, SR 8 und Zoom\, Germany
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230524T160000
DTEND;TZID=Europe/Berlin:20230524T170000
DTSTAMP:20260403T223454
CREATED:20230502T084120Z
LAST-MODIFIED:20230502T084120Z
UID:5701-1684944000-1684947600@crc326gaus.de
SUMMARY:Periods\, Power Series\, and Integrated Algebraic Numbers
DESCRIPTION:Oberseminar Algebra und Geometrie \nTobias Kaiser (Universität Passau) \nAbstract:\nPeriods are defined as integrals of semialgebraic functions defined over the rationals. Periods form a countable ring not much is known about. Examples are given by taking the antiderivative of a power series which is algebraic over the polynomial ring over the rationals and evaluate it at a rational number. We follow this path and close these algebraic power series under taking iterated antiderivatives and nearby algebraic and geometric operations. We obtain a system of rings of power series whose coefficients form a countable real closed field. Using techniques from o-minimality we are able to show that every period belongs to this field. In the setting of o-minimality we define exponential integrated algebraic numbers and show that exponential periods and the Euler constant are exponential integrated algebraic number. Hence they are a good candiate for a natural number system extending the period ring and containing important mathematical constants.
URL:https://crc326gaus.de/event/periods-power-series-and-integrated-algebraic-numbers/
LOCATION:Frankfurt\, Robert-Mayer-Str. 10\, Raum 711 groß
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230524T131500
DTEND;TZID=Europe/Berlin:20230524T144500
DTSTAMP:20260403T223454
CREATED:20230404T124956Z
LAST-MODIFIED:20230510T114107Z
UID:5312-1684934100-1684939500@crc326gaus.de
SUMMARY:Superconnections\, theta series\, and period domains
DESCRIPTION:Period domains and invariant forms \nJiaming Chen \nZoom meeting ID 667 3384 5311 \nPassword on request.
URL:https://crc326gaus.de/event/superconnections-theta-series-and-period-domains-3/
LOCATION:Darmstadt\, Room 244 and Zoom\, Schlossgartenstraße 7\, Darmstadt\, 64289
CATEGORIES:GAUS-AG
ORGANIZER;CN="Jan Hendrik Bruinier":MAILTO:bruinier@mathematik.tu-darmstadt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230523T140000
DTEND;TZID=Europe/Berlin:20230523T160000
DTSTAMP:20260403T223454
CREATED:20230502T084529Z
LAST-MODIFIED:20230519T150512Z
UID:5705-1684850400-1684857600@crc326gaus.de
SUMMARY:Prismatic F-crystals associated with strongly divisible modules
DESCRIPTION:Seminar: Non-archimedean geometry \nMatti Würthen (Universität Frankfurt) \nAbstract: The talk will be about the relationship between two different categories associated with the category of lattices in crystalline representations with small Hodge-Tate weights. In particular\, I will explain how to attach a prismatic Frobenius crystal to a (crystalline) strongly divisible module.\nTime permitting\, I will also sketch how this can be extended to higher dimensions.
URL:https://crc326gaus.de/event/tba-55/
LOCATION:Frankfurt\, Robert-Mayer-Str. 6-8\, Raum 308
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Annette Werner":MAILTO:werner[at]math.uni-frankfurt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230523T133000
DTEND;TZID=Europe/Berlin:20230523T150000
DTSTAMP:20260403T223454
CREATED:20230505T105745Z
LAST-MODIFIED:20230505T105745Z
UID:5742-1684848600-1684854000@crc326gaus.de
SUMMARY:Vectorial Drinfeld modular forms over Tate algebras
DESCRIPTION:Gebhard Böckle: Vectorial Drinfeld modular forms \nOur fifth talk is to start investigating VDMFs as well as discussing their several propertieswhich will be later used to reveal some applications for Drinfeld modular forms. They areweak VDMFs corresponding to a certain character with a regularity condition introduced in[PP18\, Def. 3.4(2)]. After defining VDMFs\, we revisit the deformation of Eisenstein seriesand prove [PP18\, Prop. 3.7] which gives the Fourier expansion of their each entry (see also[Pel12\, Lem. 21]). An equivalent condition for the regularity [PP18\, Cor. 2.6] should alsobe analyzed. Later on\, we introduce the function F discussed in the previous talk and showthat it is indeed not a VDMF in the sense of [PP18]. The final goal is to prove [PP18\, Thm.3.9] which allows one to decompose a certain space of VDMFs into components generatedby an Eisenstein series E1 and its twist\, the image of E1 under the q-th power Frobenius\nautomorphism of T.
URL:https://crc326gaus.de/event/vectorial-drinfeld-modular-forms-over-tate-algebras-5/
LOCATION:Heidelberg\, Mathematikon\, SR 8 and Zoom\, INF 205\, Heidelberg\, Germany
CATEGORIES:GAUS-AG
ORGANIZER;CN="Gebhard B%C3%B6ckle":MAILTO:gebhard.boeckle iwr.uni-heidelberg.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230522T140000
DTEND;TZID=Europe/Berlin:20230522T153000
DTSTAMP:20260403T223454
CREATED:20230417T121739Z
LAST-MODIFIED:20230511T124335Z
UID:5493-1684764000-1684769400@crc326gaus.de
SUMMARY:Prismatization
DESCRIPTION:Patrick Bieker:  G# a and GdR \nhttps://tu-darmstadt.zoom.us/j/62421505417?pwd=NDhEdUJPb0RaUTNzQyt4R0U1N2lzUT09 \nMeeting-ID: 624 2150 5417\nKenncode: 100002
URL:https://crc326gaus.de/event/prismatization-5/
LOCATION:Darmstadt and Mainz and Zoom
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230517T131500
DTEND;TZID=Europe/Berlin:20230517T170000
DTSTAMP:20260403T223454
CREATED:20230404T124505Z
LAST-MODIFIED:20230511T130017Z
UID:5310-1684329300-1684342800@crc326gaus.de
SUMMARY:Superconnections\, Theta series and period domains
DESCRIPTION:Superconnections \nMingkuan Zhang (TU Darmstadt)\n \nZoom meeting ID 667 3384 5311 \nPassword on request.
URL:https://crc326gaus.de/event/superconnections-theta-series-and-period-domains-2/
LOCATION:Darmstadt\, Room 244 and Zoom\, Schlossgartenstraße 7\, Darmstadt\, 64289
CATEGORIES:GAUS-AG
ORGANIZER;CN="Jan Hendrik Bruinier":MAILTO:bruinier@mathematik.tu-darmstadt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230516T160000
DTEND;TZID=Europe/Berlin:20230516T170000
DTSTAMP:20260403T223454
CREATED:20230414T122931Z
LAST-MODIFIED:20230508T083903Z
UID:5393-1684252800-1684256400@crc326gaus.de
SUMMARY:Endoscopy for GSp(4) and rational points on elliptic curves
DESCRIPTION:International Seminar on Automorphic Forms \nI report on a joint project with M. Bertolini \, M.A. Seveso and R. Venerucci\, aimed at studying the equivariant BSD conjecture for rational elliptic curves twisted by certain self-dual 4-dimensional Artin representations in situations of odd analytic rank. We use the endoscopy for GSp(4) to construct Selmer classes related to the relevant (complex and p-adic) L-values via explicit reciprocity laws.  \nFabrizio Andreatta (University of Milan) \nYou can join the Zoom meeting at https://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-40/
LOCATION:Zoom
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Claire Burrin":MAILTO:claire.burrin@math.uzh.ch
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20230516T133000
DTEND;TZID=Europe/Berlin:20230516T150000
DTSTAMP:20260403T223454
CREATED:20230505T105520Z
LAST-MODIFIED:20230511T134601Z
UID:5740-1684243800-1684249200@crc326gaus.de
SUMMARY:Vectorial Drinfeld modular forms over Tate algebras
DESCRIPTION:Alireza Shavali Kohshor: Special values of L-functions \n 
URL:https://crc326gaus.de/event/vectorial-drinfeld-modular-forms-over-tate-algebras-4/
LOCATION:Heidelberg\, Mathematikon\, SR 8 and Zoom\, INF 205\, Heidelberg\, Germany
CATEGORIES:GAUS-AG
ORGANIZER;CN="O%C4%9Fuz Gezmi%C5%9F":MAILTO:oguz.gezmis@iwr.uni-heidelberg.de
END:VEVENT
END:VCALENDAR