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math.AG2025
Characterization of distinguished matrices of isolated hypersurface singularities through their spectral numbers
Sven Balnojan, Claus Hertling
Isolated hypersurface singularities come equipped with distinguished bases of their Milnor lattices and with upper triangular integral matrices, which are called here distinguished…
math.NT2025
Odd vanishing cycles in cyclotomic fields
Claus Hertling, Khadija Larabi
A cusp of a Hecke group has two natural lifts to the ring of integers of a cyclotomic field. These lifts are called here odd vanishing cycles. All lifts of all cusps together…