BEGIN:VCALENDAR
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X-PUBLISHED-TTL:PT15MIN
METHOD:PUBLISH
X-WR-CALNAME:Maths & Stats: Algebra and Number Theory Seminar
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11502@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20250811T150000Z
DTEND:20250811T160000Z
SUMMARY:Algebra and Number Theory Seminar\, Integrable Systems and Mathematical Physics Seminar: Quantum K theory of Grassmannians - Leonardo Mihalcea (Virginia Tech)
DESCRIPTION:Abstract: Since its definition in the early 2000's by Givental and Lee\, the study of quantum K theory rings found applications in many parts of mathematics and physics. In this talk I will give an introduction to this ring\, including explaining some of the foundations of quantum K...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11502
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11508@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20250924T150000Z
DTEND:20250924T160000Z
SUMMARY:Algebra and Number Theory Seminar: Double Affine Demazure Products and Affine Quantum Bruhat Graphs - Lewis Dean (University of Glasgow)
DESCRIPTION:Abstract: Hecke algebras are generated by elements whose multiplication is controlled by an underlying Weyl group. In the $q = 0$ specialisation\, it is determined by an operation known as the Demazure product in the Weyl group\, which is well understood in the finite and affine cases\, but is a...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11508
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11509@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20251001T150000Z
DTEND:20251001T160000Z
SUMMARY:Algebra and Number Theory Seminar: Kazhdan-Lusztig theory and p-adic groups - Stefan Dawydiak (University of Glasgow)
DESCRIPTION:Abstract: Hecke algebras are certain deformations of group rings thatcan convert infinite-dimensional problems in representation theory tofamilies of finite-dimensional problems. Starting from the celebratedwork of Kazhdan-Lusztig\, rich geometric and spectral pictures of theHecke algebras associated to affine Weyl groups have emerged as aspecial case of the...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11509
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11510@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20251015T150000Z
DTEND:20251015T160000Z
SUMMARY:Algebra and Number Theory Seminar: Coherent rings in representation theory - James Timmins (University of Edinburgh)
DESCRIPTION:Abstract: Coherent rings are a class of noncommutative rings which generalise Noetherian rings. I'll explain their relevance to representation theory\, by giving examples (and theory) focused on universal enveloping algebras of infinite-dimensional Lie algebras.\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11510
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11489@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20251022T150000Z
DTEND:20251022T160000Z
SUMMARY:Algebra and Number Theory Seminar: Wild Brauer classes via prismatic cohomology - Margherita Pagano (Imperial College London)
DESCRIPTION:Abstract: Let K be a finite extension of the field of p-adic numbers and X a smooth proper K-variety with good reduction. I will show how\, under a mild assumption on the behaviour of Hodge numbers under reduction modulo p\, the existence of a non-zero global 2-form on the special fibre...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11489
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11511@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20251029T160000Z
DTEND:20251029T170000Z
SUMMARY:Algebra and Number Theory Seminar: Effective height bounds for very unlikely intersections in abelian varieties - Martin Orr (University of Manchester)
DESCRIPTION:Abstract: The Mordell conjecture states that an algebraic curve of genus at least 2 has only finitely many rational points. This was proved by Faltings but it remains an open problem to prove it effectively i.e. to find an algorithm which can compute the set of rational points of every such...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11511
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11515@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20251105T160000Z
DTEND:20251105T170000Z
SUMMARY:Algebra and Number Theory Seminar: Elliptic curves: parity phenomena - Vladimir Dokchister (University College London)
DESCRIPTION:Abstract: I will describe a number of unexplained arithmetic phenomena about rational points on elliptic curves that are predicted by the Birch-Swinnerton-Dyer conjecture. This will primarily be a survey and hopefully very light on technical details\, although there will also be a couple of new examples. The latter are joint work with...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11515
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11488@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20251112T160000Z
DTEND:20251112T170000Z
SUMMARY:Algebra and Number Theory Seminar: Points on Curves with Small Galois Group - James Rawson (University of Warwick/Glasgow)
DESCRIPTION:Abstract: Faltings' Theorem says that a curve of genus 2 has only finitely many points defined over a fixed number field. One generalisation of this statement is to allow the number field to vary over all number fields of fixed degree\, and ask if there are still finitely many points or...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11488
LOCATION:Maths 311B
SEQUENCE:6
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11512@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20251119T160000Z
DTEND:20251119T170000Z
SUMMARY:Algebra and Number Theory Seminar: Graded Lie algebras and families of algebraic curves - Beth Romano (King&#039\\;s College London)
DESCRIPTION:Abstract: The theory of graded Lie algebras is a beautiful part of algebra that has applications to a wide range of mathematics\, including various parts of number theory. Motivated by questions in arithmetic statistics\, Jef Laga and I have adapted a construction of Slodowy to the setting of graded Lie algebras...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11512
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11516@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20251126T160000Z
DTEND:20251126T170000Z
SUMMARY:Algebra and Number Theory Seminar: Stably free cancellation for orders - Tommy Hofmann (University of Siegen)
DESCRIPTION:Abstract: A ring has the stably free cancellation property if every stably free module is free. We will discuss this property for orders in semisimple algebras and show how the question of whether an order has this property can be answered algorithmically. As an application\, we obtain new cancellation results for...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11516
LOCATION:Maths 311B
SEQUENCE:4
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11542@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20251203T160000Z
DTEND:20251203T170000Z
SUMMARY:Algebra and Number Theory Seminar: Class groups of number fields via algebraic stacks - Dan Loughran (University of Bath)
DESCRIPTION:Abstract: The Cohen-Lenstra heuristics predict the distribution of class groups of number fields. Originally the number fields were ordered by discriminant\, but Bartel-Lenstra found counter-examples with this ordering. In this talk I will put forward conjectures for which orderings should be allowed. This will be achieved via a new framework for...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11542
LOCATION:Maths 311B
SEQUENCE:4
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11537@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20251210T160000Z
DTEND:20251210T170000Z
SUMMARY:Algebra and Number Theory Seminar: The geometric McKay correspondence for quantum plane invariants - Sue Sierra (University of Edinburgh)
DESCRIPTION:Abstract: Let k be a field\, q a nonzero scalar\, and let A be the quantum plane k_q[x\,y] \, which satisfies the relation xy=qyx.. Let n \\geq 2\,  let the cyclic group  C_n act on A  with respective weights 1 and -1\,  and consider the ring of invariants  $A^{C_n}$ and...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11537
LOCATION:Maths 311B
SEQUENCE:4
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11597@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260121T160000Z
DTEND:20260121T170000Z
SUMMARY:Algebra and Number Theory Seminar: On the topology of affine bow varieties - Adam Gyenge (Budapest University of Technology and Economics)
DESCRIPTION:Abstract: Cherkis bow varieties were introduced as an ADHM type description of moduli spaces of U(n)-instantons on the Taub-NUT space equivariant under a cyclic group Z/mZ-action. An algebro-geometric description using quivers was constructed by Nakajima-Takayama\, who have also shown that they generalise Nakajima quiver varieties\, in particular Hilbert schemes of...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11597
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11598@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260128T160000Z
DTEND:20260128T170000Z
SUMMARY:Algebra and Number Theory Seminar: Skew Hecke Algebras - James Waldron (University of Newcastle)
DESCRIPTION:Abstract:  Let G be a finite group\, H a subgroup of G\, and R a ring equipped with an action of G. To this data one can associate a 'skew Hecke ring'. Variants of this construction have appeared in topology in  work of Baker\, and in mathematical physics in the theory of quantum reference frames....\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11598
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11599@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260204T160000Z
DTEND:20260204T170000Z
SUMMARY:Algebra and Number Theory Seminar: Holonomicity of skein modules - Iordanis Romaidis (University of Edinburgh)
DESCRIPTION:Abstract: For a reductive group G and a quantum parameter q\, skein theory assigns skein algebras to surfaces and skein modules to 3-manifolds. Skein modules of closed 3-manifolds at generic q were conjectured by Witten to be finite-dimensional—a statement later proved by Gunningham\, Jordan\, and Safronov. In this talk\, I...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11599
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11600@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260211T160000Z
DTEND:20260211T170000Z
SUMMARY:Algebra and Number Theory Seminar: Some faces of loop Grassmannians - Ivan Mirkovic (Amherst)
DESCRIPTION:Abstract:  The talk will be about  formalisms of loop Grassmannians and its related vertex algebras. This includes a picture of collision of projective lines and Joyce's construction of vertex algebras. I think of the subject as some underpinnings of geometric representation theory (towards Langlands conjectures) that use the formal language...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11600
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11601@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260218T160000Z
DTEND:20260218T170000Z
SUMMARY:Algebra and Number Theory Seminar: The Ramanujan conjecture for Bianchi modular forms and the Dwork family - James Newton (University of Oxford)
DESCRIPTION:Abstract: I'll talk about joint work with George Boxer\, Frank Calegari\, Toby Gee and Jack Thorne from a couple of years ago\, in which we prove some well-known conjectures (Ramanujan and Sato--Tate) for Bianchi modular forms. (Shortly after our work appeared\, Kojiro Matsumoto proved more general results of this type.) In...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11601
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11635@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260225T160000Z
DTEND:20260225T170000Z
SUMMARY:Algebra and Number Theory Seminar: NO SEMINAR
DESCRIPTION:More information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11635
LOCATION:Maths 311B
SEQUENCE:2
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11602@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260304T160000Z
DTEND:20260304T170000Z
SUMMARY:Algebra and Number Theory Seminar: Effective Zilber-Pink in Poincaré bi-extensions of elliptic curves - Harry Schmidt (University of Warwick)
DESCRIPTION:Abstract: In joint work with Gareth Jones we prove an effective version of a result of the speaker with Daniel Bertrand. This involves proving an effective and uniform version of a theorem of Pila and Wilkie on counting rational points in o-minimal structures that is valid in this setting. Another...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11602
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11630@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260311T160000Z
DTEND:20260311T170000Z
SUMMARY:Algebra and Number Theory Seminar: Lines on del Pezzo surfaces - Sam Streeter (University of Bristol)
DESCRIPTION:Abstract: The Cayley—Salmon theorem\, which states that any smooth cubic surface over the complex numbers contains exactly 27 lines\, is one of the jewels of classical algebraic geometry. Cubic surfaces fit within the larger family of del Pezzo surfaces\, which have a degree between 1 and 9\, cubic surfaces being (perhaps...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11630
LOCATION:Maths 311B
SEQUENCE:4
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11631@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260318T160000Z
DTEND:20260318T170000Z
SUMMARY:Algebra and Number Theory Seminar: K-moduli of Fano threefolds of Picard rank 3 and degree 20 - Elena Denisova (University of Glasgow)
DESCRIPTION:Abstract: (Joint work in progress with T. Papazachariou)K-moduli spaces provide a canonical parametrization of K-polystable Fano varieties\, but they are rarely accessible in concrete terms. In this talk I will describe an explicit example in dimension three. I will consider the Fano threefolds in Mori-Mukai family no. 3.5\, which can...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11631
LOCATION:Maths 311B
SEQUENCE:6
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11653@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260325T160000Z
DTEND:20260325T170000Z
SUMMARY:Algebra and Number Theory Seminar: Categorification with unequal parameters - Jonas Antor (University of Bonn)
DESCRIPTION:Notes: Categorification provides a powerful framework for studying bases of algebras and representations. A prominent example is the Hecke category\, which categorifies the Hecke algebra. This...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11653
LOCATION:Maths 311B
SEQUENCE:2
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11671@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260513T150000Z
DTEND:20260513T160000Z
SUMMARY:Algebra and Number Theory Seminar: Affine matrix-ball construction and asymptotic Hecke algebras - Pavlo Pylyavskyy (University of Minnesota)
DESCRIPTION:Abstract: Left and right cells are a crucial ingredient in the work of Kazhdan and Lusztig on the representation theory of Hecke algebras. In affine type A\, Shi showed that left and right cells correspond to tabloids. I will describe a combinatorial algorithm\, called the affine matrix-ball construction\, which associates to...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11671
LOCATION:Maths 311B
SEQUENCE:2
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11633@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260520T150000Z
DTEND:20260520T160000Z
SUMMARY:Algebra and Number Theory Seminar: A Noncommutative Construction of H-Schobers on the A_2 Hyperplane Arrangement - Charlotte Llewellyn (University of Glasgow)
DESCRIPTION:Abstract: Perverse schobers are categorified analogues of perverse sheaves\, encoding monodromy phenomena at the level of triangulated categories. In this talk\, I will begin by reviewing the classical description of perverse sheaves in terms of nearby and vanishing cycles\,...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11633
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11676@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260603T150000Z
DTEND:20260603T160000Z
SUMMARY:Algebra and Number Theory Seminar: Stability conditions on Calabi-Yau 3-folds - Naoki Koseki (University of Liverpool)
DESCRIPTION:Abstract: I will discuss a recent advance on the existence of stability conditions on smooth projective varieties\, which had been a long-standing problem. For a Calabi-Yau 3-fold\, we are able to relate the existence of a particular type of stability conditions with the Brill-Noether theory of higher rank vector bundles...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11676
LOCATION:Maths 311B
SEQUENCE:2
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11677@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260610T150000Z
DTEND:20260610T160000Z
SUMMARY:Algebra and Number Theory Seminar: Hopfian Hecke algebras - Andrew Baker (University of Glasgow)
DESCRIPTION:Abstract: Hecke operations and algebras first appeared in the context of modular and automorphic forms and were built using pairs of groups $H \\leqslant G$ and their group algebras. The idea has evolved and the name is now attached to very wide generalisations. In this talk I will discuss a natural extension...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11677
LOCATION:Maths 311B
SEQUENCE:2
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11686@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20260716T140000Z
DTEND:20260716T150000Z
SUMMARY:Algebra and Number Theory Seminar: Noncommutative Resolutions and Canonical Bases - Vasily Krylov (Harvard/CMSA)
DESCRIPTION:Abstract: Kazhdan and Lusztig identified the affine Hecke algebra with the equivariant K-theory of the Steinberg variety for the Langlands dual group. Bezrukavnikov categorified this identification and\, in particular\, gave a geometric description of the Kazhdan–Lusztig canonical basis in terms of the classes of simple perverse modules over the...\N\NNotes: Please note the unusual time and day.\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11686
LOCATION:Maths 311B
SEQUENCE:5
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
END:VCALENDAR