2 papers
math.GT2025
On the 2-loop part of the Johnson cokernel
Yusuke Kuno, Masatoshi Sato
We study stable Sp-decompositions of the cokernel of the Johnson homomorphism. Continuing the work of Conant in 2016, which identified the 1-loop part of the Johnson cokernel as th…
quant-ph2025
Topological Reality Switch: Towards Bulk-Boundary Selective Lasing
Sayed Ali Akbar Ghorashi, Masatoshi Sato
The emergence of complex spectra in non-Hermitian systems causes dramatic changes even under weak perturbations, significantly hindering their precise control for study and integra…