https://ipfs.io/ipfs/QmXoypizjW3WknFiJnKLwHCnL72vedxjQkDDP1mXWo6uco/wiki/Alveolar_approximant.html
alveolarapproximants
https://www.sciencedaily.com/releases/2024/07/240711111450.htm
By constructing hexagonal metallic-mean approximants of the honeycomb lattice, scientists have linked incommensurately modulated structures and quasicrystals,...
aperiodicapproximantsrelatingquasicrystalsmodulated