3 papers
math.AG2026
A technique for computing oriented cohomology rings of semisimple algebraic groups
Raj Gandhi
We present a technique for computing a finite set of generators and relations for the ring in terms of formal Demazure operators, where is an orien…
math.AG2026
Algebraic cobordism rings of wonderful varieties and matroids
Raj Gandhi, Ethan Partida
We give two combinatorial presentations for the algebraic cobordism ring of the toric variety of the Bergman fan of any loopless matroid . As a consequence of our prese…
math.CO2026
Motivic Segre classes of Schubert cells and the connective formal group law
Raj Gandhi
We use the connective formal group law to define a one-parameter (-)deformation of the motivic Segre classes of Schubert cells in the -step flag variety. This -deformati…