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math.AG2025
Comparison of Frobenius algebra structures on Calabi-Yau toric hypersurfaces
Jeehoon Park, Philsang Yoo
We establish an isomorphism between two Frobenius algebra structures, termed CY and LG, on the primitive cohomology of a smooth Calabi--Yau hypersurface in a simplicial Gorenstein…
math.AG2024
Algebraic description of complex conjugation on cohomology of a smooth projective hypersurface
Jeehoon Park, Junyeong Park, Philsang Yoo
We describe complex conjugation on the primitive middle-dimensional algebraic de Rham cohomology of a smooth projective hypersurface defined over a number field that admits a real…