3 papers
math.AG2025
-structures on odd dimensional projective spaces
Cong Ding, Zhijun Luo
We prove that the Heisenberg group $\h_{2n+1}$ admits infinitely many inequivalent equivariant compactifications into for all . This result provides an…
math.AG2024
Smooth Euler-symmetric varieties generated by a single polynomial
Cong Ding, Zhijun Luo
We classify smooth Euler-symmetric varieties corresponding to the symbol system generated by a single reduced polynomial.
quant-ph2023
Exceptional nexus in Bose-Einstein condensates with collective dissipation
Chenhao Wang, Nan Li, Jin Xie +6
In multistate non-Hermitian systems, higher-order exceptional points and exotic phenomena with no analogues in two-level systems arise. A paradigm is the exceptional nexus (EX), a…