3 papers
quant-ph2026
Efficient quantum algorithm for Heisenberg spin systems
Sergey Bravyi, David Gosset, Yinchen Liu +1
We consider a broad family of Heisenberg-type quantum spin systems that were studied by Suzuki and Fisher in 1971. This family includes, for example, the Heisenberg antiferromagnet…
quant-ph2026
Lee-Yang tensors and Hamiltonian complexity
Benjamin Wong, Sergey Bravyi, David Gosset +1
A complex tensor with binary indices can be identified with a multilinear polynomial in complex variables. We say it is a Lee-Yang tensor with radius if the polynomial…
math.CO2025
An exceptional equinumerosity of lattice paths and Young tableaux
Liam Ayres, Evan Bialo, Aidan Cook +6
We consider families of plane lattice paths enumerated by Guy, Krattenthaler, and Sagan (1992). We show by explicit bijection that these families are equinumerous w…