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Tropical Chern classes and Chern-Weil theory

Yu. V. Eliyashev

Department of Mathematics, National Research University "Higher School of Economics", Moscow



Abstract: There is a natural analog of a vector bundle in the tropical setting. The Chern classes of a tropical vector bundle was introduced by L. Allermann in terms of intersection theory. In our talk we will construct the Chern classes of a tropical vector bundle in terms of differential geometry. The classical Chern-Weil theory constructs the Chern classes of a complex vector bundle in terms of differential geometry, in particular using curvature and connection of a vector bundle. We will describe the tropical analog of this construction. Also we will discuss a tropical analog of the exponential long exact sequence of a line bundle.

Language: English

Website: https://us02web.zoom.us/j/2162766238?pwd=TTBraGwvQ3Z3dWVpK3RCSFNMcWNNZz09

* ID: 216 276 6238, password: residue


© Steklov Math. Inst. of RAS, 2024