SEMINAR

The geometry of Hessenberg and Lusztig varieties

Degree three unramified cohomology of homogeneous spaces

Homogeneous spaces over an abelian variety

Failure of Nisnevich descent for 0-cycles with modulus

Arithmetic and birational properties of linear spaces on intersections of two quadrics

Mixed Hodge structures and heights associated to algebraic cycles

Tight approximation for rationally simply connected varieties

Localization theorem for algebraic stacks

Loop and toral torsors in positive characteristic.

Triality with Schemes and Without Octonions

Purity of Motivic Cohomology in mixed-characteristic

Rational points of elliptic curves in Z_p extensions of number fields.

Serre’s conjecture II, a survey