Thor Wittich

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20232026

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math.KT2026

K_1 of matroids

Thor Wittich

Using the geometric realization spectral sequence and the Serre spectral sequence, we compute $K_{1} (Mat_{*})$ , the first K-theory group of the proto-exact category of p…

math.AG2026

Algebraic Knots and their Universal K^MW_2-Coverings

Matthias Wendt, Thor Wittich

Over suitable base fields $k$ of characteristic not $2$ , including algebraically closed ones, we construct universal abelian $K_{2}^{MW}$ -co…