Past Events

Events which have already happened.

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Title	Type
Modules over A_\infty algebras Hall algebras	Event
Some easy examples	Event
Stability conditions on categories and on their Hall algebras	Event
Representations on the cohomology of certain symmetric hypersurfaces	Event
Shimura varieties of Hodge type and PEL type and of type A_1	Event
The p-adic L-functions of modular forms and elliptic curves	Event
International Workshop on Mirror Symmetry	Event
Restrictions on Seshadri constants on surfaces	Event
Some results on non-archimedean hyperbolicity	Event
Modification of Simpson moduli spaces of 1-dimensional sheaves by vector bundles, an experimental example	Event
Shimura varieties and Siegel modular varieties	Event
One example	Event
Stability structures	Event
Toen's derived Hall algebra	Event
Littlewood-Richardson rule for minuscule Schubert calculus	Event
Demazure varieties as varieties of lattices with infinitesimal structure, 1	Event
Algebraic group analogues of the Slodowy slices and deformed Poisson W-algebras	Event
tba	Event
A gentle introduction to overconvergent modular forms	Event
Die Periodenabbildung 4	Event
Generalization of Néron models of Green, Griffits, Kerr	Event
Locally symmetric varieties and connected Shimura varieties	Event
First coniveau notch of the Dwork family and its mirror	Event
Locally analytic functions and distributions	Event
Toen's derived Hall algebra	Event
The motivic Hall algebra	Event
Introduction to motives	Event
Stability conditions on Lie algebras II	Event
Cluster algebras via quivers with potentials	Event
Matrix problems, triangulated categories and stable homotopy type of polyhedra	Event
Towards effective results for points on curves with multiplicative dependent coordinates	Event
Purity theorems for p-divisible groups	Event
Vector bundles on p-adic curves	Event
Hodge structures and hermitian symmetric domains	Event
Some ideas in derived geometry	Event
The Leopoldt-Kubota p-adic zeta-function and more functions	Event
Die Periodenabbildung 3	Event
An informal introduction to derived algebraic geometry	Event
tba	Event
Rational Schur algebras	Event
Moduli spaces and torus actions	Event
Die Periodenabbildung 2	Event
Comparing the rank of the generic and the special fibres on rational elliptic surfaces	Event
Hermitian symmetric domains and conjugacy classes	Event
Perverse coherent sheaves on surfaces	Event
Continuous functions and measures on Z_p	Event
Truncations of level 1 of elements of the loop group of a reductive group, 2	Event
Stability structures for Lie algebras after K&S	Event
Local properties of modular curves of D-elliptic sheaves	Event
Enriques manifolds	Event
The classical theory of Shimura varieties	Event
The topological DT/PT wall-crossing	Event
The periods of a newform	Event
Truncations of level 1 of elements of the loop group of a reductive group, 1	Event
tba	Event
Quivers of finite mutation type	Event
On the real section conjecture	Event
Algebraic groups	Event
Complex valued L-functions	Event
Summer School on Linear Systems (March 2009)	Event
Lecture Course on "Anderson Motives"	Event
Degenerations 7: Examples	Event
Workshop on Deformation Theory in Algebraic Geometry	Event
Rigid local systems: from Gauss to the proof of Sato-Tate conjecture	Event
t.b.a.	Event
Deformations of formal O-modules II	Event
Quiver moduli and DT-type invariants	Event
Degenerations 5: The Mixed Hodge Structure	Event
Dimensions and dimension spectrums of triangulated categories	Event
Main Theorems	Event
The derived Hall algebra of a spherical object	Event
Koszul-homology and N_p for Veronese-Subrings	Event
Deformations of formal O-modules	Event
The 2-factoriaity of the O'Grady's moduli spaces of sheaves	Event
The Lefschetz Property for Veronese Algebras	Event
Degenerations 4: Weight filtration	Event
B-branes in Landau-Ginzburg models	Event
Semi-stable representations and filtered (phi,N)-modules	Event
Examples of Feynman Integrals	Event
Uniformization of the moduli space of D-shtukas of rank 1 and an application, 2	Event
A strange duality for symplectic varieties	Event
Parallel unprojection of Kustin-Miller type	Event
Etale Cohomology III	Event
Degeneration of irreducible symplectic manifolds	Event
Degenerations 3: $\Omega_{X/S}(\log D)$	Event
Potential density of rational points on the variety of lines of a cubic fourfold	Event
The period rings B_cris and B_st	Event
Uniformization of the moduli space of D-shtukas of rank one and an application, 1	Event
Hodge classes on self-products of K3 surfaces	Event
Cluster tilted algebras and derived equivalences	Event
t.b.a.	Event
(Tame) Trace formula	Event
Degenerations 2: Vanishing cycles	Event
Second Gaussian map and curvature of the moduli space of curves	Event
De Rham representations	Event
The Langlands-Kottwitz approach to the zeta function in the case of Gamma(p), 2	Event
On cluster algebras arising from unpunctured surfaces II	Event
Conference "Complex Geometry"	Event
Arithmetic Aspects of Bianchi Modular Forms	Event
Etale Cohomology I	Event
Trace formula over local fields	Event
Degenerations 1: Nilpotent Orbit	Event
Curve counting theories via stable objects in the derived category	Event
The period field B_dr	Event
The Langlands-Kottwitz approach to the zeta function in the case of Gamma_1(p)	Event
Derived equivalent conjugate K3 surfaces	Event
On cluster algebras arising from unpunctured surfaces I	Event
Sen's Theta-operator and C-admissible representations	Event
The Langlands-Kottwitz approach to the zeta function in the case of Gamma(p)	Event
Semi-stable model, motivic Serre invariant	Event
Einige spekulative Ideen zur Riemannschen Zetafunktion	Event
Grothendieck ring of varieties and piecewise geometry	Event
Variations of Hodge Structures	Event
Cycles on the Jacobian and on the symmetric powers of a curve	Event
Witt vectors	Event
K-Theorie von Köcher-Varietäten und Darstellungen von affinen Quantenalgebren	Event
Huber's adic spaces IV	Event
Isomonodromic deformations and the Joyce equation	Event
The Stokes map 2	Event
Modular forms and mod I Galois representations over imaginary quadratic fields	Event
Huber's adic spaces III	Event
Potential density of rational points on the Fano variety of lines of a cubic fourfold	Event
Motivic nearby cycles, motivic volume	Event
Singular case 2: Simplicial Hodge Theory	Event
Equivariant K-theory, nested Hilbert schemes and virtual classes	Event
Sen's Theta-operator and C-admissible representations	Event
Bloch-Esnault-Kreimer § 6	Event
Modularity lifting theorems (MSRI-Vortrag von R. Taylor)	Event
Finiteness Conditions in Group Cohomology	Event
K-Theorie von Köcher-Varietäten; Darstellungen von affinen Quantenalgebren	Event
Moduli of polarised irreducible symplectic manifolds	Event
Huber's adic spaces II	Event
Modulräume von G-Bündeln und ihre Kohomologie	Event
Motivic zeta function	Event
Singular case 1: Cubical hyperresolutions	Event
Some applications of Higgs bundles	Event
C-representations II	Event
Lubin-Tate- und Drinfeldbündel	Event
Seminar Bonn-Mainz "Stability conditions and Stokes factors"	Event
tba	Event
Towards mod $p$ Langlands correspondence for GL_2(F)	Event
Huber's adic spaces I	Event
McKay-Korrespondenz für Kleinsche und Fuchssche Singularitäten	Event
Small course in geometry: weak Néron model II	Event
Smooth non-compact case 4: Applications	Event
Enumerative Geometry on K3 Fibrations and Modular Forms	Event
C-representations I	Event
Bloch-Esnault-Kreimer § 5	Event
Mazur's inequality, toric varieties, and the numbers game, 2	Event
Irregular Singularities and Stokes factors	Event
Riemann-Hilbert, Lappo-Danilevski and Schlesinger	Event
Homology of the Special Linear Group and Milnor-Witt K-theory	Event
tba	Event
Definition von Nakajimas Köcher-Varietäten	Event
Rational points and the arithmetic fundamental group	Event
Huber's adic spaces I	Event
Geometry of surfaces and Seshadri constants	Event
Small course in geometry: weak Néron model	Event
Smooth non-compact case 3: Construction of MHS	Event
Categorical resolution of singularities	Event
Global log canonical thresholds of Fano varieties and their applications	Event
The field C	Event
Bloch-Esnault-Kreimer § 4	Event
Mazur's inequality, toric varieties, and the numbers game, 1	Event
Differential operators and differential forms on equivariant compactifications of reductive groups	Event
Doktorandentreffen	Event
Special L-values of t-motives: a conjecture	Event
Dedekind zeta motives for totally real number fields	Event
Small course in formal and rigid geometry II	Event
Smooth non-compact case 2: Mixed Hodge Sheaves	Event
A conjectural characterization of the weight filtration of the character variety of a Riemann surface	Event
The action of G_K on Frac(R) and (phi,Gamma)-modules	Event
Berkovich spaces III	Event
Bloch-Esnault-Kreimer § 3	Event
Riemann-Hilbert, Lappo-Danilevski and Schlesinger	Event
Ringel-Hall algebras in characteristic zero (II); Ringel-Hall-Stokes-Fourier-Laplace	Event
A linear algebra identity, its categorification, and the Coxeter transformation	Event
sl(2) Categorifications from Geometry	Event
Integral points on hyperelliptic curves	Event
Existence results on moduli spaces of coherent systems	Event
Berkovich spaces II	Event
Application of slope inequality for semi-stable families	Event
Small course in formal and rigid geometry	Event
Smooth non-compact case 1: $\Omega_X(\log D)$	Event
p-adic Galois representations of G_E with char(E) = p and the ring R	Event
Bloch-Esnault-Kreimer § 2	Event
Hecke algebra isomorphisms and the Bernstein center	Event
Seminar Bonn-Mainz "Stability conditions and Stokes factors"	Event
On Kostant's problem	Event
McKay correspondence for singularities and Coxeter elements via spherical twists	Event
Berkovich spaces I	Event
Cardinality of special locus of a non-isotrivial family of algebraic curves over positive characteristic	Event
Small course in formal geometry	Event
Formal properties of Mixed Hodge Structures	Event
Fourier-Mukai transforms of line bundles on derived equivalent abelian varieties	Event
Bloch-Esnault-Kreimer § 1	Event
Mod p Galois representations of G_E with char(E)=p	Event
Invariant Hilbert schemes and wonderful varieties	Event
Intersection theory on moduli spaces of abelian varieties	Event
A local to global principle for groups of Mordell-Weil type	Event
Isometries of indefinite binary forms and applications to K3-surfaces	Event
Small course on the Grothendieck ring of varieties II.	Event
Blow-ups of local embeddings and Chow quotients	Event
B-representations and regular G-rings	Event
Reineke's recursion for Harder-Narasimhan systems	Event
Hall algebras for finitary categories	Event
Towards a classification of hereditary categories with Serre duality	Event
Theta characteristics and stable homotopy types of curves	Event
Timo Richarz: Rigid-analytische Varietäten I	Event
Program discussion, Rigid geometry and the cohomology of deformation spaces of 1-dimensional formal groups	Event
Small course on the Grothendieck ring of varieties I	Event
l-adic representation of local fields	Event
Coverings of root valuation strata, 1	Event
On the cluster multiplication theorem for acyclic cluster algebras	Event
Annual Meeting of SFB/TR 45 Members	Event
Conference on Arithmetic Algebraic Geometry	Event
Summer School on p-adic Cohomology	Event
Weng Lin (Japan, Kyushu, z.z Tübingen und Münster)	Event
Affine Flag Manifolds and Principal Bundles	Event
The isogeny conjecture for A-motives	Event
A trace formula for varieties over a discretely valued field	Event
Renormalization using Hopf algebras and the Batalin-Vilkovisky formalism	Event
Finite group actions and commutative algebra	Event
Rigidity and Poincaré Duality for algebraic varieties.	Event
Poisson automorphismus and quiver moduli	Event
Some bounds for the ramification of torsion semi-stable representations	Event
Characterization of P^n (part II); Minimal rational curves on moduli spaces of bundles on curves; Hecke curves and Hitchin discriminant	Event
Sheaves of nearby cycleson affine flag varieties	Event
On a simplification of combinatorial knot Floer homology	Event
Hypergraphic divisors, curves, and morphisms	Event
Periods of Drinfeld modules and algebraic independence	Event
Die Springer-Korrespondenz,2	Event
Strange dualities for moduli spaces of sheaves on K3 surfaces (after Marian, Oprea)	Event
Die Springer-Korrespondenz,1	Event
On a generalisation of Miyaoka's generic semipositivity for vector bundles	Event
Arithmetic Hirzebruch-Zagier cycles, 3	Event
Donaldson-Thomas invariants for Calabi-Yau threefolds	Event
Arithmetic harmonic analysis on symplectic quotients	Event
Localization of virtual cycle by holomorphic forms and application	Event
Quasi-canonical liftings of abelian surfaces with real multiplication	Event
Finiteness of the Tangent Map, Characterization of the Projective Space (after Kebekus)	Event
Tilting on non-commutative rational curves and gentle algebras as degenerations of elliptic curves	Event
Polynomial stability conditions and Donaldson-Thomas invariants	Event
Group schemes associated to D-modules in positive characteristic	Event
Der Zerlegungssatz	Event
Chern-Simons classes of canonical extensions	Event
Derived categories of complex-analytic manifolds	Event
Arithmetic Hirzebruch-Zagier cycles, 2	Event
Moduli of equivariant and invariant sheaves on toric varieties	Event
n-APR tilting and n-cluster tilting	Event
Cluster categories for algebras of global dimension 2	Event
Finiteness of meromorphic mappings	Event
Arithmetic Hirzebruch-Zagier cycles, 1	Event
Localization of virtual cycle and quantum cohomology of Hilbert scheme of	Event
Braid group actions, tilting complexes and Khovanov	Event
Perverse Garben	Event
Desingularizations of Schubert varieties in double Grassmannians	Event
Equivariant sheaves on flag varieties, dg modules and formality	Event
Base manifolds for fibrations of projective irreducible symplectic manifolds	Event
Ekedahl-Oort strata in the supersingular locus	Event
Feynman Integrale II	Event
Stability conditions an hall algebras	Event
Verallgemeinerte Poincare-Dualität	Event
Base manifolds for fibrations of projective irreducible symplectic manifolds	Event
Local models for even orthogonal groups, 3	Event
Linear VMRT (after Hwang and Araujo)	Event
VMRT for the base manifold of a Lagrangian fibration (Hwang's strategy)	Event
Kirillov-Reshetikhin modules and T-systems	Event
Reduction of some families of two dimensional crystalline Galois representations	Event
Stetigkeit des Soule-Regulators	Event
Feynman Integrale I	Event
Koszul cohomology and geometry of complex curves	Event
Arithmetic and geometric deformations of strong semistability and tight closure	Event
Delignes Konstruktion des Schnittkomplexes	Event
Holomorphic Lagrangian fibrations - structure and examples.	Event
Curves algebraically uniformized by radicals, part II	Event
Rationally connected 3-folds and symplectic geometry	Event
Local models for even orthogonal groups, 2	Event
Introduction to stability conditions	Event
t-structures on some categories of perfect dg modules	Event
Universal derived equivalences of posets, with applications to cluster-tilting objects	Event
Cartan-Fubini type extension theorem	Event
(Minimal) Rational curves on Fano varieties (Examples)	Event
Euler characteristics and intersection indices of hypersurfaces in reductive groups	Event
1-motives and rational points	Event
Intersection cohomology as sheaf cohomology	Event
Tilting on singular rational projective curves	Event
Curves algebraically uniformized by radicals	Event
Modulstruktur endlich erzeugter K-Algebren	Event
KR-strata and EO-strata in the Siegel case, 3	Event
Dual canonical bases and affine Hecke algebras	Event
The Manin stratification of Hilbert modular varieties	Event
Higher regulators, periods, and special values of the degree four L function of GSp(4)	Event
Del Pezzo surfaces and their mirrors	Event
Counting curves, stable pairs and BPS invariants	Event
The octavic modular group	Event
Oberseminar Complex Geometry	Event
The Bonn Representation Theory Seminar	Event
Characterizing Jacobians and Pryms by differential and difference equations	Event
The Manin constant of elliptic curves over function fields	Event
Arbeitsgemeinschaft Arithmetische Geometrie	Event
Base manifolds of Lagrangian fibrations (after Hwang)	Event
The Bonn Representation Theory Seminar	Event
Summer School on Moduli Spaces of Abelian Varieties and Compactifications	Event
The Duflo isomorphism and its relatives	Event
kleine AG "Algebraische Geometrie und Zahlentheorie"	Event
Jeng-Daw Yu (Queen's University, Kingston, Kanada)	Event
Jeng-Daw Yu (Queen's University, Kingston, Kanada)	Event
Workshop on Seshadri Constants	Event
Holger Partsch (Universität Mainz)	Event
Fiber products of rational elliptic surfaces with section and associated Kummer fibrations	Event
Toroidalization of morphisms	Event
Workshop on McKay correspondence for symplectic resolutions (following Bezrukavnikov-Kaledin)	Event
A conjecture on the order of the Chern classes of Gauss-Manin Bundles	Event
Jürgen Wolfart (Uni Frankfurt)	Event
Workshop Kompaktifizierungen und tropische Geometrie III	Event
K3 surfaces and modular forms	Event
Eröffnungsfeier des SFB/TR 45	Event
P-units in ray class fields of real quadratic number fields	Event
Michela Artebani (Conception, Chile)	Event
Motives of hypersurfaces of very small degree	Event
Hilbert modular forms and abelian surfaces with everywhere good reduction	Event
Meeting of Doctoral Researchers	Event
Koszul divisors on moduli spaces of curves	Event
Workshop Kompaktifizierungen und tropische Geometrie II	Event
Holomorphic symplectic geometry	Event
Christoph Bergbauer (FU Berlin): Zur Renormierung und Berechnung von Feynmangraphen im Ortsraum	Event
A non-properness theorem for F-trivial bundles over curves in char p	Event
An arithmetic Riemann-Roch theorem for pointed stable curves	Event
Prof. Jin-Gen Yang (Fudan University): On sextic curves of maximal Milnor number	Event
Workshop Kompaktifizierungen und tropische Geometrie I	Event
Motives and the Leray spectral sequence	Event
Robert Carls (Uni Ulm): Explizite Serre-Tate Theorie	Event
Kleine AG "Algebraische Geometrie und Zahlentheorie"	Event
Kleine AG "Algebraische Geometrie und Zahlentheorie"	Event
Albanese torsors and the elementary obstruction	Event
Prof. Dr. Thomas Metzinger (Mainz)	Event
Kettenbrueche und Renormierung	Event
Martin Moeller (Uni Duisburg-Essen): Linear manifolds in the moduli space of one-forms	Event
Summer School on Motives of Projective Homogeneous Varieties	Event

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