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On the instability of syzygy bundles on toric surfaces
Lucie Devey, Milena Hering, Katharina Jochemko +1
We show that for every toric surface apart from the projective plane and a product of two projective lines and every ample line bundle there exists a polarisation such that the syz…
math.CO2024
Preservation of inequalities under Hadamard products
Petter Brändén, Luis Ferroni, Katharina Jochemko
Wagner (1992) proved that the Hadamard product of two Pólya frequency sequences that are interpolated by polynomials is again a Pólya frequency sequence. We study whether related c…