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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260701T164500
DTEND;TZID=Europe/Berlin:20260701T180000
DTSTAMP:20260619T162855
CREATED:20260618T074712Z
LAST-MODIFIED:20260618T095221Z
UID:13613-1782924300-1782928800@crc326gaus.de
SUMMARY:Transfer theorems between fields of different characteristic — a model-theoretic approach
DESCRIPTION:Franziska Jahnke (Universität Münster) \nFrankfurter Seminar \nAbstract: Under which circumstances can we use insights about fields of positive characteristic to understand fields of characteristic 0 (and conversely)?\nClassical methods to transfer results between fields of different  characteristics are the Lefshetz principle and the Ax Kochen/Ershov Theorem which states that asymptotically\, the theory of the p-adic numbers ℚp and of power series fields 𝔽p((t)) coincide. Tilting perfectoid fields gives a transfer principle between certain henselian fields of mixed characteristic and their positive characteristic counterparts and vice versa. In this talk\, we survey various transfer principles and present a model-theoretic approach to tilting via ultraproducts\, which allows us to transfer many first-order properties between a perfectoid field and its tilt. \n 
URL:https://crc326gaus.de/event/transfer-theorems-between-fields-of-different-characteristic-a-model-theoretic-approach/
LOCATION:Frankfurt\, Robert-Mayer-Str. 10\, Raum 711 groß
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260702T141500
DTEND;TZID=Europe/Berlin:20260702T151500
DTSTAMP:20260619T162855
CREATED:20260529T093017Z
LAST-MODIFIED:20260529T093017Z
UID:13473-1783001700-1783005300@crc326gaus.de
SUMMARY:AGTZ Kolloquium
DESCRIPTION:Markus Spitzweg (Uni Osnabrück)
URL:https://crc326gaus.de/event/agtz-kolloquium-8/
LOCATION:Mainz\, Hilbertraum (05-432)
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Georg Tamme":MAILTO:georg.tamme@uni-mainz.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260703T153000
DTEND;TZID=Europe/Berlin:20260703T170000
DTSTAMP:20260619T162855
CREATED:20260319T100517Z
LAST-MODIFIED:20260319T100517Z
UID:12881-1783092600-1783098000@crc326gaus.de
SUMMARY:Seminar on Arithmetic Geometry
DESCRIPTION:Yujie Xu (Columbia): tba \nZoom (635 7328 0984\, Kenncode: kleinste sechsstellige Primzahl)
URL:https://crc326gaus.de/event/seminar-on-arithmetic-geometry-36/
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:20260709T141500
DTEND;TZID=Europe/Berlin:20260709T151500
DTSTAMP:20260619T162855
CREATED:20260529T093132Z
LAST-MODIFIED:20260529T093132Z
UID:13475-1783606500-1783610100@crc326gaus.de
SUMMARY:AGTZ Kolloquium
DESCRIPTION:Konstantin Emming (Uni Bonn)
URL:https://crc326gaus.de/event/agtz-kolloquium-9/
LOCATION:Mainz\, Hilbertraum (05-432)
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Georg Tamme":MAILTO:georg.tamme@uni-mainz.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260710T133000
DTEND;TZID=Europe/Berlin:20260710T143000
DTSTAMP:20260619T162855
CREATED:20260618T075048Z
LAST-MODIFIED:20260618T075048Z
UID:13617-1783690200-1783693800@crc326gaus.de
SUMMARY:p-adic singular moduli and higher Green’s functions
DESCRIPTION:Hazem Hassan (Heidelberg) \n\nHeegner cycles are the higher weight analogues to Heegner points. Those points and cycles play an important role in the theory of complex multiplication and of the arithmetic of elliptic curves of rank 1. Stark-Heegner points are conjectural points on elliptic curves which would be the real-quadratic counterparts to Heegner points in the emerging theory of real multiplication. In this theory\, Darmon-Vonk’s rigid meromorphic cocycles seem to be the real-quadratic analogue of singular moduli.\n\nI will present a generalization of rigid meromorphic cocycles to higher weight and use it to define a p-adic higher Green’s functions on real-quadratic points. This construction is motivated by the recently resolved conjecture by Gross and Zagier  on the algebraicity of values of complex higher Green’s functions. I will present a conjecture on the algebraicity of values of the p-adic Green’s functions that has been numerically verified. The values of the p-adic Green’s function are best envisioned as p-adic local intersection numbers of certain conjectured cycles associated to RM-points\, the so-called Stark-Heegner cycles.
URL:https://crc326gaus.de/event/p-adic-singular-moduli-and-higher-greens-functions/
LOCATION:Heidelberg\, Mathematikon\, SR A and Livestream
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260710T150000
DTEND;TZID=Europe/Berlin:20260710T170000
DTSTAMP:20260619T162855
CREATED:20260427T115635Z
LAST-MODIFIED:20260427T115641Z
UID:13244-1783695600-1783702800@crc326gaus.de
SUMMARY:Seminar on Arithmetic Geometry
DESCRIPTION:Vukašin Mihajlović (Darmstadt): tba \nZoom (635 7328 0984\, Kenncode: kleinste sechsstellige Primzahl)
URL:https://crc326gaus.de/event/seminar-on-arithmetic-geometry-copy-3/
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:20260717T150000
DTEND;TZID=Europe/Berlin:20260717T170000
DTSTAMP:20260619T162855
CREATED:20260427T115730Z
LAST-MODIFIED:20260427T115730Z
UID:13247-1784300400-1784307600@crc326gaus.de
SUMMARY:Seminar on Arithmetic Geometry
DESCRIPTION:Yanik Kleibrink (Darmstadt): tba \nZoom (635 7328 0984\, Kenncode: kleinste sechsstellige Primzahl)
URL:https://crc326gaus.de/event/seminar-on-arithmetic-geometry-40/
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
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