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_11061@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20230719T150000Z
DTEND:20230719T160000Z
SUMMARY:Algebra and Number Theory Seminar: Analytic methods for purity of strong approximation - Zhizhong Huang (IST Austria)
DESCRIPTION:Abstract: We report joint work in progress with Yang Cao concerning the strong approximation property \N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11061
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11071@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20230913T150000Z
DTEND:20230913T160000Z
SUMMARY:Algebra and Number Theory Seminar: Macdonald Polynomials and Gram-Schmidt in Derived Categories - Anton Khoroshkin (Haifa University)
DESCRIPTION:Abstract: \N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11071
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11072@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20230920T150000Z
DTEND:20230920T160000Z
SUMMARY:Algebra and Number Theory Seminar: Arithmetic geometry of representation spaces - Bailey Whitbread (University of Queensland)
DESCRIPTION:Abstract: Representation spaces are built out of homomorphisms from the fundamental group of a surface to an algebraic group. These spaces are related to many abstract and physical topics\, including Yang-Mills equations\, Hitchinin's equations\, the P=W conjecture and mirror symmetry. In general\, representation spaces are not well-understood. The most is...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11072
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11073@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20230927T150000Z
DTEND:20230927T160000Z
SUMMARY:Algebra and Number Theory Seminar: Fusion categories as (quantum) symmetries: on McKay correspondence and stability conditions. - Edmund Heng (IHES)
DESCRIPTION:Abstract: Classically\, finite symmetries are captured by the action of a finite group. Moving to the quantum world\, one has to allow for (possibly non-invertible) quantum symmetries — these are instead captured by the action of a more general algebraic structure\, known as a fusion category. Such “quantum symmetries” also...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11073
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11092@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20231004T150000Z
DTEND:20231004T160000Z
SUMMARY:Algebra and Number Theory Seminar: Positroid varieties via representation theory - Matt Pressland (University of Glasgow)
DESCRIPTION:Abstract: Total positivity is by now a classical subject in linear algebra\, having begun in earnest with the work of Gantmacher and Krein from 1937. Recent results of Postnikov and others have emphasised the importance of positivity in flag varieties\, particularly the Grassmannian. A key tool in this area is Postnikov’s...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11092
LOCATION:Maths 110
SEQUENCE:2
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11095@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20231011T150000Z
DTEND:20231011T160000Z
SUMMARY:Algebra and Number Theory Seminar: Hikita-Nakajima conjecture for ADHM space. - Pavel Shlykov (University of Glasgow)
DESCRIPTION:Abstract: Symplectic duality is an observation that symplectic resolutions tend to come in pairs with matching geometric properties.Equivariant Hikita-Nakajima conjecture is one such statement\, which connects the geometric and algebraic properties of symplectically dual pairs. In this talk I try to explain\, what is usually meant by the symplectic duality\,...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11095
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11096@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20231018T150000Z
DTEND:20231018T160000Z
SUMMARY:Algebra and Number Theory Seminar: Parabolic Hilbert schemes and rational Cherednik algebras - Monica Vazirani (University of California - Davis)
DESCRIPTION:Abstract: One can use the geometry of parabolic Hilbert schemes of points on plane curve singularities to build representations of the rational Cherednik algebra (RCA) in type A. The basis of equivariant homology that comes from torus fixed points has a nice combinatorial description\\; and furthermore\, this basis diagonalizes the action of...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11096
LOCATION:Maths 110
SEQUENCE:2
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11109@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20231101T160000Z
DTEND:20231101T170000Z
SUMMARY:Algebra and Number Theory Seminar: Cycle relations in the affine grassmannian and applications to p-adic Galois representations - Robin Bartlett (University of Glasgow)
DESCRIPTION:Abstract: In the first half of the talk I will introduce the affine grassmannian and explain a result which describes multiplicities in e-fold tensor products of Weyl modules in terms of cycle relations between certain closed subschemes inside the affine grassmannian. The closed subschemes are constructed as degenerations of e-fold products...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11109
LOCATION:Maths 110
SEQUENCE:2
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11116@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20231108T160000Z
DTEND:20231108T170000Z
SUMMARY:Algebra and Number Theory Seminar: Steinberg modules and high-dimensional rational cohomology of symplectic groups - Robin J. Sroka (University of Münster)
DESCRIPTION:Abstract: While Borel completely computed the rational cohomology of Sp_{2n}(Z) in degrees that are small compared to n\, it remains largely mysterious in high degrees. In this talk\, I will discuss what is known and present recent work exploring these high-dimensional cohomology groups. The starting point is a duality theorem of...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11116
LOCATION:Maths 110
SEQUENCE:2
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11118@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20231115T160000Z
DTEND:20231115T170000Z
SUMMARY:Algebra and Number Theory Seminar: The recent progress on LLV-decomposition - Nikon Kurnosov (University of the West of Scotland)
DESCRIPTION:Abstract: I will speak about the structure of cohomology of hyperkahler manifolds\, and as this topic attracts huge attention and has a lot of thing to discuss\, I will mainly focus on the bounds for b_2. I will start with a short introduction on the main tools involved: LLV-decomposition\, Rozansky-Witten invariants....\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11118
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11119@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20231122T160000Z
DTEND:20231122T170000Z
SUMMARY:Algebra and Number Theory Seminar: Zooming in on quadrics - Alec Shute (University of Bristol)
DESCRIPTION:Abstract: Classically\, Diophantine approximation is the study of how well real numbers can be approximated by rational numbers with small denominators. However\, there is an analogous question where we replace the real line with the real points of an algebraic variety: How well can we approximate a real point with rational points of...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11119
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11130@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20231123T100000Z
DTEND:20231123T110000Z
SUMMARY:Algebra and Number Theory Seminar: Quantizations and Harish-Chandra modules - Ivan Losev (Yale University)
DESCRIPTION:Abstract: (Please note the non-standard time and day.) I will discuss an approach to classification of certain irreducible Harish-Chandra modules (that should be related to unitary representations) as quantizations of singular lagrangian subvarieties in singular symplectic varieties. The approach allows to classify these Harish-Chandra modules in terms of some basic geometric...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11130
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11120@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20231129T160000Z
DTEND:20231129T170000Z
SUMMARY:Algebra and Number Theory Seminar: GIT for linear systems of hypersurfaces - Aline Zanardini (EPFL)
DESCRIPTION:Abstract: In this talk I will present a possible approach to the problem of classifying linear systems of hypersurfaces in projective space up to projective equivalence. In particular\, I will focus on some relevant geometric examples. This is based on joint work with Masafumi Hattori.\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11120
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11121@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20231206T160000Z
DTEND:20231206T170000Z
SUMMARY:Algebra and Number Theory Seminar: Paucity of rational points on fibrations with multiple fibres - Julian Lyczak (University of Bath)
DESCRIPTION:Abstract: This talk is based on joint work with Browning and Smeets and concerns the density of everywhere locally soluble members within a family of varieties. Our work treats the most general case\, where components of higher multiplicity are allowed. Using exact conditions for a fibre to be locally soluble\, coming...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11121
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11143@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240110T160000Z
DTEND:20240110T170000Z
SUMMARY:Algebra and Number Theory Seminar: The cancellation property for projective modules over integral group rings - John Nicholson (University of Glasgow)
DESCRIPTION:Abstract: Let G be a finite group and let Z[G] denote the integral group ring. If two projective Z[G]-modules P and Q are isomorphic after taking a direct sum with the free module Z[G]\, are they necessarily isomorphic? If so\, we say that Z[G] has the cancellation property. This was studied...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11143
LOCATION:Maths 311B
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11144@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240117T160000Z
DTEND:20240117T170000Z
SUMMARY:Algebra and Number Theory Seminar: Hecke modifications and parabolic bundles - Inder Kaur (University of Glasgow)
DESCRIPTION:Abstract: Let C be a smooth\, projective curve. In this talk I will discuss what is a parabolic bundle on C and what are Hecke modifications of a vector bundle\, what is the relation between these two sets of objects and the applications to studying them. I will then talk about...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11144
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11145@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240131T160000Z
DTEND:20240131T170000Z
SUMMARY:Algebra and Number Theory Seminar: A derived Deligne-Langlands correspondence - Jonas Antor (University of Oxford)
DESCRIPTION:Abstract: Affine Hecke algebras are deformations of group algebras of affine Weyl groups that play an important role in the representation theory of p-adic groups. In their groundbreaking work\, Kazhdan and Lusztig found a geometric realization of the affine Hecke algebra using equivariant K-theory. This allowed them to prove the Deligne-Langlands...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11145
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11168@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240207T160000Z
DTEND:20240207T170000Z
SUMMARY:Algebra and Number Theory Seminar: Isomorphisms of deformations and quantizations of Kleinian singularities - Simone Castellan (University of Glasgow)
DESCRIPTION:Abstract: Given a non-commutative algebra Q and its semiclassical limit A\, an intriguing question has always been “Do the properties of Q always reflect the (Poisson) properties of A?”. Of particular interest is the behaviour of automorphisms. The most famous example is the Belov Kanel-Kontsevich Conjecture\, which predicts that...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11168
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11146@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240214T160000Z
DTEND:20240214T170000Z
SUMMARY:Algebra and Number Theory Seminar: Endotrivial modules for finite groups of Lie type - Nadia Mazza (Lancaster University)
DESCRIPTION:Abstract: Let G be a finite group and k a field of positive characteristic p diving the order of G. An endotrivial kG-module is a finitely generated kG-module which is "invertible" in some suitable sense. Since the late 70s\, these modules have been intensely studied in modular representation theory. In this...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11146
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11169@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240221T160000Z
DTEND:20240221T170000Z
SUMMARY:Algebra and Number Theory Seminar: A slight improvement to Schmidt's bound for "Number fields of given degree and bounded discriminant" - Kevin Hughes (Edinburgh Napier University)
DESCRIPTION:Abstract: For degree n\, at least 2\, it is conjectured that the number of number fields (over the rationals) of degree n whose discriminant lies in [-X\,X] grows asymptotically as c_n X as X goes to infinity for some constant depending on the degree. This is known to be true for...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11169
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11147@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240228T160000Z
DTEND:20240228T170000Z
SUMMARY:Algebra and Number Theory Seminar: The leading constant in Malle’s conjecture - Tim Santens (KU Leuven/University of Bath)
DESCRIPTION:Abstract: Malle has conjectured the order of growth of the number of field extensions with a certain Galois closure of bounded discriminant\, but he did not provide a conjecture for the leading constant. Manin made a very similar prediction on the number of point of bounded height on varieties and Peyre...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11147
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11148@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240306T160000Z
DTEND:20240306T170000Z
SUMMARY:Algebra and Number Theory Seminar: Thick subcategories of projective presentations arising from semi-invariants - Monica Garcia (University of Versailles Saint-Quentin-en-Yvelines)
DESCRIPTION:Abstract: Determinantal semi-invariants are a special class of regular functions defined on the varieties of modules of fixed-dimension vector over a finite-dimensional algebra. In this talk\, we will recall their relation to projective presentations and their connection with semistable subcategories of modules. We will recall the notion of thick subcategory within...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11148
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11170@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240313T160000Z
DTEND:20240313T170000Z
SUMMARY:Algebra and Number Theory Seminar: Real variations of stability on K3 categories - Sam Lewis (University of Glasgow)
DESCRIPTION:Abstract: In the study of Bridgeland stability conditions on a triangulated category D\, the contractibility of the stability manifold StabD is still open in many cases. Investigating this problem usually involves realising (a connected component of) StabD as a covering space of a complex hyperplane arrangement. Introducing real variations of stability conditions\, Anno\, Bezrukavnikov\, and MirkoviÄ‡ provide...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11170
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11149@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240320T160000Z
DTEND:20240320T170000Z
SUMMARY:Algebra and Number Theory Seminar: Drinfeld rational fractions for affine Kac-Moody quantum symmetric pairs. - Tomasz Przezdziecki (University of Edinburgh)
DESCRIPTION:Abstract: It is well-known that quantum affine algebras have two distinct presentations\, a Kac-Moody presentation and a loop (i.e. new Drinfeld) presentation. It has recently been discovered by Lu and Wang that the same is true for affine KM quantum symmetric pairs\, i.e.\, they admit a loop presentation. This presentation is...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11149
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11224@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240424T150000Z
DTEND:20240424T160000Z
SUMMARY:Algebra and Number Theory Seminar: Namikawa-Weyl groups of quiver varieties - Jasper van de Kreeke (KdV Institute University of Amsterdam)
DESCRIPTION:Abstract: Quiver varieties are a class of moduli spaces which on top of their algebraic structure carry a symplectic form and often have singularities. In 2008\, Yoshinori Namikawa associated to such singular symplectic varieties a “Weyl group”\, which closely resembles the classical Weyl groups from Lie theory. In this talk\, I...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11224
LOCATION:Maths 110
SEQUENCE:4
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11199@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240501T150000Z
DTEND:20240501T160000Z
SUMMARY:Algebra and Number Theory Seminar: On the Albanese fibration for singular varieties with nef anticanonical divisor - Stefano Filipazzi (EPFL)
DESCRIPTION:Abstract: To every normal projective variety X one can associate an Abelian variety Alb(X)\, called the Albanese variety of X\, and a morphism alb:X->Alb(X)\, called the Albanese morphism. In many situations\, the geometry of X can be investigated through alb. In particular\, if X has klt singularities (e.g.\, it is smooth) and -K_X is...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11199
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11228@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240508T150000Z
DTEND:20240508T160000Z
SUMMARY:Algebra and Number Theory Seminar: Convex geometry for fans of abelian categories - Jon Woolf (University of Liverpool)
DESCRIPTION:Abstract: One can associate a `heart fan’ $\\Delta(H)$ to the data of an abelian category $H$ and a finite rank quotient lattice of its Grothendieck group $K(H)$. The fan is generated by the `heart cones’ of $H$ and its (forward) Happel—Reiten—Smal\\o tilts. (These are defined inside a choice of ambient triangulated...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11228
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11229@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240515T150000Z
DTEND:20240515T160000Z
SUMMARY:Algebra and Number Theory Seminar: Singular intersections of quadrics and cusp forms - Nuno Arala (University of Warwick)
DESCRIPTION:Abstract: We establish an asymptotic formula for the number of common zeros of a pair of quadratic forms in at least 10 variables that determine a projective variety with exactly two singular points\, defined over an imaginary quadratic field. The proof uses a form of the circle method and relies on...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11229
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11153@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240522T150000Z
DTEND:20240522T160000Z
SUMMARY:Algebra and Number Theory Seminar: Affine Kazhdan-Lusztig R-polynomials associated to a Kac-Moody group. - Paul Phillipe (Institut Camille Jordan)
DESCRIPTION:Abstract: To any reductive group G (such as SL_n) one can associate its affine flag variety X\, whose geometry is related to the representation theory of G and of its loop group G[t\,t^{-1}]. Affine Kazhdan-Lusztig R-polynomials relate some of the structure of X to the combinatorics of a Coxeter group associated...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11153
LOCATION:Maths 116
SEQUENCE:5
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11150@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240529T150000Z
DTEND:20240529T160000Z
SUMMARY:Algebra and Number Theory Seminar: Averages of class numbers - Peter Koymans (ETH Zurich)
DESCRIPTION:Abstract: In the 1950s Erdos developed a method to give upper and lower bounds of the correct order of magnitude for d(P(n)) where d is the divisor function and P is a polynomial. This was greatly extended by Nair and Tenenbaum to a wide class of multiplicative functions and sequences.In...\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11150
LOCATION:Maths 110
SEQUENCE:3
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
BEGIN:VEVENT
UID:GLW_UNI_MS_WEBEVT_11230@maths-stats.gla.ac.uk
DTSTAMP:19700101T000000Z
DTSTART:20240612T150000Z
DTEND:20240612T160000Z
SUMMARY:Algebra and Number Theory Seminar: TBA - Christopher Frei (TU Graz)
DESCRIPTION:Abstract: TBA\N\NMore information: http://www.gla.ac.uk/schools/mathematicsstatistics/events/details/?id=11230
LOCATION:Maths 110
SEQUENCE:2
STATUS:CONFIRMED
CLASS:PUBLIC
END:VEVENT
END:VCALENDAR