Number Theory Web Seminar

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algebraic geometry number theory

Audience: Researchers in the topic
Seminar series times: No fixed schedule
Organizers: Michael Bennett, Philipp Habegger, Alina Ostafe*
*contact for this listing

To attend the talks, registration is necessary. To register please visit our website

Registered users will receive an email before each talk with a link to the Zoom meeting.

The recordings of previous talks can be found on our website or on our YouTube channel

Upcoming talks
Past talks
Your timeSpeakerTitle
ThuMay 2315:00John VoightThe Bezout identity and norms from a quadratic extension
ThuMay 1615:00Nina ZubrilinaMurmurations of modular forms
ThuMay 0915:00Jacob TsimermanLarge Compact Subvarieties of $A_g$
ThuMay 0215:00Ashwin SahQuasipolynomial bounds on the inverse theorem for the Gowers norms and applications
ThuApr 2515:00Theresa AndersonCounting with new tools
ThuApr 1815:00Uri ShapiraDistribution of conditional directional lattices
ThuApr 1115:00Yiannis PetridisCounting and equidistribution
ThuApr 0415:00Dan PetersenMoments of families of quadratic $L$-functions over function fields via homotopy theory
ThuMar 2817:00Wouter CastryckThe isogeny interpolation problem
ThuMar 2116:00Javier FresánE-functions and Geometry
ThuMar 1416:00Marc MunschTwo tales on quadratic character sums
ThuMar 0716:00Vesselin DimitrovThe next case after Apéry on mixed Tate periods
ThuFeb 2916:00Paul PollackStretching, the truth about nonunique factorization
ThuFeb 2216:00Arul ShankarSecondary terms in the first moment of the 2-Selmer groups of elliptic curves
ThuFeb 1516:00Damaris SchindlerDensity of rational points near manifolds
ThuFeb 0816:00Victor Y. WangSums of three cubes over a function field
ThuFeb 0116:00Akshat MudgalRecent progress towards the sum–product conjecture and related problems
ThuJan 2516:00Thomas TuckerTits and Borel type theorems for preperiodic points of finite morphisms
ThuJan 1816:00Oded RegevAn Efficient Quantum Factoring Algorithm
ThuDec 2116:00Zeev RudnickA talk in honor of Peter Sarnak's 70th birthday
ThuDec 1416:00Djordje MilićevićBeyond the spherical sup-norm problem
ThuDec 0716:00Misha RudnevThe sum-product problem for integers with few prime factors
ThuNov 3016:00Wei ZhangDiagonal cycles: some results and conjectures
ThuNov 2316:00Anke PohlPeriod functions for vector-valued automorphic functions via dynamics and cohomology
ThuNov 1616:00Henri DarmonExplicit class field theory and orthogonal groups
ThuNov 0916:00Jens MarklofSmallest denominators
ThuNov 0215:00Joseph H. SilvermanField of Moduli and Fields of Definition in Arithmetic Geometry and Arithmetic Dynamics
ThuOct 2615:00Ananth ShankarCanonical heights on Shimura varieties and the Andre-Oort conjecture
ThuOct 1915:00Timothy BrowningWhen is a random Diophantine equation soluble over $\mathbb{Q}_p$ for all $p$?
ThuOct 1215:00David MasserSome new elliptic integrals
ThuOct 0515:00Isabel VogtBrauer--Manin obstructions requiring arbitrarily many Brauer classes
ThuSep 2815:00Holly KriegerA transcendental birational dynamical degree
ThuSep 2115:00Kaisa MatomäkiDetecting primes in multiplicatively structured sequences
ThuSep 1416:00Andrew SutherlandMurmurations of arithmetic $L$-functions
ThuSep 0715:00Alexander MangerelCorrelations, sign patterns and rigidity theorems for multiplicative functions
ThuJun 2915:00Alex IosevichSome number theoretic aspects of finite point configurations
ThuJun 2215:00Εfthymios SofosThe second moment method for rational points
ThuJun 1515:00Youness LamzouriA walk on Legendre paths
ThuJun 0815:00Carlo PaganoOn Chowla's non-vanishing conjecture over function fields
ThuJun 0115:00Lior Bary-SorokerRandom additive polynomials
ThuMay 2515:00Barak WeissNew bounds on lattice covering volumes, and nearly uniform covers
ThuMay 1815:00Mark ShustermanCounting Minimally Ramified Global Field Extensions
ThuMay 1115:00Ben GreenOn Sarkozy's theorem for shifted primes
ThuMay 0415:00Peter KoymansCounting nilpotent extensions
ThuApr 2715:00Pierre Le Boudec$2$-torsion in class groups of number fields
ThuApr 2013:00Bjorn PoonenIntegral points on curves via Baker's method and finite étale covers
ThuApr 1315:00Hélène EsnaultIntegrality Properties of the Betti Moduli Space
ThuApr 0615:00Kannan SoundararajanCovering integers using quadratic forms
ThuMar 3015:00Ziyang GaoSparsity of rational and algebraic points
ThuMar 2316:00Ofir GorodetskyHow many smooth numbers and smooth polynomials are there?
ThuMar 1616:00Florian LucaRecent progress on the Skolem problem
ThuMar 0916:00Alex WilkieInteger points on analytic sets
ThuMar 0216:00Alexandra ShlapentokhDefining integers using unit groups
ThuFeb 2316:00Terence TaoInfinite Partial Sumsets in the Primes
ThuFeb 1616:00Wanlin LiOrdinary and Basic Reductions of Abelian Varieties
ThuFeb 0916:00Sarah PeluseDivisibility of character values of the symmetric group
ThuFeb 0216:00Matilde LalínDistributions of sums of the divisor function over function fields
ThuJan 2616:00Robert WilmsOn equidistribution in Arakelov theory
ThuJan 1916:00Cecile DartygeOn the largest prime factor of quartic polynomial values: the cyclic and dihedral cases
ThuJan 1216:00Régis de la BretècheHigher moments of primes in arithmetic progressions
ThuDec 2216:00Umberto ZannierBounded generation in linear groups and exponential parametrizations
ThuDec 1516:00William DukeOn the analytic theory of isotropic ternary quadratic forms
ThuDec 0816:00Laura DeMarcoLattès maps, bifurcations, and arithmetic
ThuDec 0116:00Robert J. Lemke OliverUniform exponent bounds on the number of primitive extensions of number fields
ThuNov 2416:00Jared Duker LichtmanA proof of the Erdős primitive set conjecture
ThuNov 1716:00Trevor WooleyWaring’s Problem
ThuNov 1016:00Emanuel CarneiroHilbert spaces and low-lying zeros of $L$-functions
ThuNov 0316:00Shai EvraOptimal strong approximation and the Sarnak-Xue density hypothesis
ThuOct 2715:00Evelina ViadaRational points on curves in a product of elliptic curves
ThuOct 2015:00Jack ThorneSymmetric power functoriality for $\GL(2)$
ThuOct 1315:00Thomas GauthierA complex analytic approach to sparsity, rigidity and uniformity in arithmetic dynamics
ThuOct 0615:00Jeffrey C. LagariasThe Alternative Hypothesis and Point Processes
ThuSep 2915:00Paul NelsonThe sup norm problem in the level aspect
ThuSep 2215:00Alexandra FloreaNegative moments of the Riemann zeta function
ThuSep 1515:00Danny NeftinReducible fibers of polynomial maps
ThuSep 0815:00Ping XiAnalytic approaches towards Katz’s problems on Kloosterman sums
ThuSep 0115:00Yann Bugeaud$B'$
ThuJun 3015:00Alexander GamburdArithmetic and dynamics on varieties of Markoff type
ThuJun 2315:00Amir ShpilkaPoints, lines and polynomial identities
ThuJun 1615:00John VoightCounting elliptic curves with level structure
ThuJun 0915:00Nicole LooperThe Uniform Boundedness Principle for polynomials over number fields
ThuJun 0215:00Elon LindenstraussEffective equidistribution of some unipotent flows with polynomial rates
ThuMay 2615:00Yunqing TangApplications of arithmetic holonomicity theorems
ThuMay 1915:00Jeffrey VaalerSchinzel's determinant inequality and a conjecture of F. Rodriguez Villegas
ThuMay 1215:00Robert Charles VaughanGeneralizations of the Montgomery-Hooley asymptotic formula; A survey.
ThuMay 0515:00Levent AlpögeOn integers which are(n't) the sum of two rational cubes
ThuApr 2815:00Andrew GranvilleLinear Divisibility sequences
ThuApr 2115:00Joni TeräväinenShort exponential sums of the primes
ThuApr 1415:00Ram MurtyProbability Theory and the Riemann Hypothesis
ThuApr 0715:00Ana CaraianiOn the cohomology of Shimura varieties with torsion coefficients
ThuMar 3115:00William ChenMarkoff triples and connectivity of Hurwitz spaces
ThuMar 2416:00Winnie LiGroup based zeta functions
ThuMar 1716:00Aaron LevinDiophantine Approximation for Closed Subschemes
ThuMar 1016:00Dmitry KleinbockShrinking targets on homogeneous spaces and improving Dirichlet's Theorem
ThuMar 0316:00Ekin ÖzmanModular Curves and Asymptotic Solutions to Fermat-type Equations
ThuFeb 2416:00Igor ShparlinskiSums of Kloosterman and Salie Sums and Moments of $L$-functions
ThuFeb 1716:00Harry SchmidtCounting rational points and lower bounds for Galois orbits for special points on Shimura varieties
ThuFeb 1016:00Zeev RudnickBeyond uniform distribution
ThuFeb 0316:00Peter Humphries$L^p$-norm bounds for automorphic forms
ThuJan 2716:00Larry GuthReflections on the proof(s) of the Vinogradov mean value conjecture
ThuJan 2016:00Jozsef SolymosiRank of matrices with entries from a multiplicative group
ThuJan 1316:00Péter VarjúIrreducibility of random polynomials
ThuDec 1616:00Sarah ZerbesEuler systems and the Birch—Swinnerton-Dyer conjecture for abelian surfaces
ThuDec 0916:00Samir SiksekThe Fermat equation and the unit equation
ThuDec 0216:00Kiran KedlayaOrders of abelian varieties over $\mathbb{F}_2$
ThuNov 2516:00Alexei SkorobogatovOn uniformity conjectures for abelian varieties and K3 surfaces
ThuNov 1816:00Myrto MavrakiTowards uniformity in the dynamical Bogomolov conjecture
ThuNov 1116:00Avi WigdersonRandomness
ThuNov 0416:00Katherine StangeAlgebraic Number Starscapes
ThuOct 2815:00Dimitris KoukoulopoulosTowards a high-dimensional theory of divisors of integers
ThuOct 2115:00Johan CommelinLiquid Tensor Experiment
ThuOct 1415:00Jean-Marc DeshouillersAre factorials sums of three cubes?
ThuOct 0715:00Henryk IwaniecRemarks on the large sieve (A talk in honor of John Friedlander's 80th birthday)
ThuSep 3015:00Anish GhoshValues of quadratic forms at integer points
ThuSep 2315:00Alina Carmen CojocaruBounds for the distribution of the Frobenius traces associated to abelian varieties
ThuSep 1615:00Martin SombraThe mean height of the solution set of a system of polynomial equations
ThuSep 0915:00Emmanuel KowalskiHarmonic analysis over finite fields and equidistribution
ThuSep 0215:00Lars KühneThe uniform Bogomolov conjecture for algebraic curves
ThuAug 2621:00Alexandru ZaharescuSome remarks on Landau - Siegel zeros
ThuAug 1915:00Zeev DvirThe Kakeya set conjecture over rings of integers modulo square free $m$
ThuAug 1215:00Francesco AmorosoBounded Height in Pencils of Subgroups of finite rank
ThuAug 0515:00Frank CalegariDigits
ThuJul 2915:00Arno FehmIs $\Z$ diophantine in $\Q$?
ThuJul 2215:00Kumar MurtyPeriods and Mixed Motives
ThuJul 1515:00Ricardo Menares$p$-adic distribution of CM points
ThuJul 0815:00Brian ConreyMoments, ratios, arithmetic functions in short intervals and random matrix averages
ThuJul 0115:00Manjul BhargavaGalois groups of random integer polynomials (A talk in honor of Don Zagier's 70th birthday)
ThuJun 2415:00Annette Huber-KlawitterPeriods and O-minimality
ThuJun 1715:00Shou-Wu ZhangAdelic line bundles over quasi-projective varieties
ThuJun 1015:00Matthew YoungThe Weyl bound for Dirichlet L-functions
ThuJun 0318:00Antoine Chambert-LoirFrom complex function theory to non-archimedean spaces - a number theoretical thread
ThuMay 2715:00Robert TichyEquidistribution, exponential sums and van der Corput sets
ThuMay 2015:00Alice SilverbergCryptographic Multilinear Maps and Miscellaneous Musings
ThuMay 1315:00Alex KontorovichArithmetic Groups and Sphere Packings
ThuMay 0615:00Akshay VenkateshA brief history of Hecke operators
ThuApr 2915:00Pietro CorvajaOn the local-to-global principle for value sets
ThuApr 2215:00Renate ScheidlerComputing modular polynomials and isogeny graphs of rank $2$ Drinfeld modules
ThuApr 1515:00Jonathan KeatingJoint Moments
ThuApr 0815:00János PintzOn the mean value of the remainder term of the prime number formula
ThuApr 0115:00Boris AdamczewskiFurstenberg's conjecture, Mahler's method, and finite automata
ThuMar 2520:30Vitaly BergelsonA "soft" dynamical approach to the Prime Number Theorem and disjointness of additive and multiplicative semigroup actions
ThuMar 1820:00Shabnam AkhtariOrders in Quartic Number Fields and Classical Diophantine Equations
ThuMar 1120:00Chantal DavidMoments and non-vanishing of cubic Dirichlet $L$-functions at $s=\frac{1}{2}$
ThuMar 0420:00Sanju VelaniThe Shrinking Target Problem for Matrix Transformations of Tori
ThuFeb 2516:00Ben GreenNew lower bounds for van der Waerden numbers
ThuFeb 1816:00Gabriel DillUnlikely Intersections and Distinguished Categories
ThuFeb 1116:00Don ZagierAnalytic functions related to zeta-values, cotangent products, and the cohomology of $SL_2(\Z)$
ThuFeb 0416:00Oleksiy KlurmanOn the zeros of Fekete polynomials
ThuJan 2816:00William BanksOn the distribution of reduced fractions with squarefree denominators
ThuJan 2116:00Lior Bary-SorokerRandom Polynomials, Probabilistic Galois Theory, and Finite Field Arithmetic
ThuJan 1416:00Peter SarnakSummation formulae in spectral theory and number theory (A talk in honor of Zeev Rudnick's 60th Birthday)
ThuJan 0716:00Imre RuzsaAdditive decomposition of signed primes
TueDec 2210:00Jianya LiuMobius disjointness for irregular flows
ThuDec 1716:00Gisbert WüstholzBaker's theory for $1$-motives
TueDec 1510:00Adam HarperLarge fluctuations of random multiplicative functions
ThuDec 1016:00Maksym RadziwillThe Fyodorov-Hiary-Keating conjecture
MonDec 0722:00Jacob TsimermanBounding torsion in class group and families of local systems
ThuDec 0316:00Alexander LubotzkyFrom Ramanujan graphs to Ramanujan complexes
TueDec 0101:00Dragos GhiocaA couple of conjectures in arithmetic dynamics over fields of positive characteristic
ThuNov 2616:00Michael StollAn application of "Selmer group Chabauty" to arithmetic dynamics
TueNov 2410:00Jasmin MatzQuantum ergodicity of compact quotients of $SL(n,R)/SO(n)$ in the level aspect
ThuNov 1916:00Chantal DavidCANCELLED--Moments and non-vanishing of cubic Dirichlet $L$-functions at $s=\frac{1}{2}$
TueNov 1701:00Jason BellA transcendental dynamical degree
ThuNov 1216:00David MasserPencils of norm form equations and a conjecture of Thomas
TueNov 1010:00Gérald TenenbaumRecent progress on the Selberg-Delange method in analytic number theory
ThuNov 0516:00Par KurlbergDistribution of lattice points on hyperbolic circles
TueNov 0310:00Jens MarklofThe three gap theorem in higher dimensions
ThuOct 2916:00Will SawinThe distribution of prime polynomials over finite fields
TueOct 2710:00Gal BinyaminiPoint counting for foliations in Diophantine geometry
ThuOct 2215:00Sergei KonyaginA construction of A. Schinzel - many numbers in a short interval without small prime factors
TueOct 2009:00Jörg BrüdernHarmonic analysis of arithmetic functions
ThuOct 1515:00Cameron L. StewartOn integers represented by binary forms
TueOct 1309:00Alexander GorodnikArithmetic approach to the spectral gap problem
ThuOct 0815:00Philippe MichelSimultaneous reductions of CM elliptic curves
TueOct 0600:00Alexander SmithSelmer groups and a Cassels-Tate pairing for finite Galois modules
ThuOct 0115:00Wei HoThe Hasse local-to-global principle for some genus one curves
TueSep 2900:00Julie Tzu-Yueh WangPisot's $d$-th root's conjecture for function fields and its complex analog
ThuSep 2415:00Emmanuel BreuillardA subspace theorem for manifolds
TueSep 2209:00Ilya D. ShkredovZaremba's conjecture and growth in groups
ThuSep 1715:00Özlem ImamogluA class number formula of Hurwitz
TueSep 1509:00Dzmitry BadziahinApproximation by algebraic numbers
ThuSep 1015:00Bianca VirayExistence of quadratic points on intersections of quadrics
TueSep 0808:00Maryna ViazovskaUniversal optimality, Fourier interpolation, and modular integrals
ThuSep 0315:00Kevin FordPrime gaps, probabilistic models, the interval sieve, Hardy-Littlewood conjectures and Siegel zeros
TueSep 0109:00Umberto ZannierTorsion in elliptic familes and applications to billiards
ThuAug 2715:00Hector PastenA Chabauty-Coleman bound for hyperbolic surfaces in abelian threefolds
ThuAug 2015:00Christopher SkinnerSolving diagonal diophantine equations over general $p$-adic fields
ThuAug 1315:00Carl PomerancePractical numbers
ThuAug 0615:00Bjorn PoonenTetrahedra with rational dihedral angles
ThuJul 3015:00Joseph H. SilvermanMore Tips on Keeping Secrets in a Post-Quantum World: Lattice-Based Cryptography
ThuJul 2315:00Jordan EllenbergWhat’s up in arithmetic statistics
TueJul 2108:00Wadim ZudilinIrrationality through an irrational time
ThuJul 1615:00Jennifer BalakrishnanA tale of three curves
TueJul 1400:00Ken OnoVariants of Lehmer's speculation for newforms
ThuJul 0915:00Lillian PierceOn Bourgain’s counterexample for the Schrödinger maximal function
TueJul 0708:00René SchoofAbelian varieties over ${\bf Q}(\sqrt{97})$ with good reduction everywhere
ThuJul 0215:00James MaynardPrimes in arithmetic progressions to large moduli
TueJun 3000:00Kannan SoundararajanEquidistribution from the Chinese Remainder Theorem
ThuJun 2515:00Peter SarnakInteger points on affine cubic surfaces
TueJun 2308:00Igor ShparlinskiWeyl sums: large, small and typical
ThuJun 1815:00Elon LindenstraussDiagonalizable flows, joinings, and arithmetic applications
TueJun 1608:00Harald Andrés HelfgottOptimality of the logarithmic upper-bound sieve, with explicit estimates
ThuJun 1115:00Yuri BiluTrinomials, singular moduli and Riffaut's conjecture
TueJun 0900:00Felipe VolochValue sets of sparse polynomials
ThuJun 0415:00Timothy BrowningRandom Diophantine equations
TueJun 0208:00Kaisa MatomäkiMultiplicative functions in short intervals revisited
ThuMay 2815:00Trevor WooleyBracket quadratics, Hua’s Lemma and Vinogradov’s mean value theorem
TueMay 2608:00Bas EdixhovenGeometric quadratic Chabauty
ThuMay 2115:00Zeev RudnickPrime lattice points in ovals
TueMay 1900:00Kristin LauterHow to keep your secrets in a post-quantum world
ThuMay 1415:00Valentin BlomerJoint equidistribution and fractional moments of L-functions
TueMay 1208:00Michel WaldschmidtRepresentation of integers by cyclotomic binary forms
ThuMay 0715:00Andrew SutherlandSums of three cubes
ThuApr 3015:00Andrew GranvilleFrobenius's postage stamp problem, and beyond...
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