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math.CO2023
Less than Equable Triangles on the Eisenstein lattice
Christian Aebi, Grant Cairns
We classify perimeter dominant triangles whose side lengths are in and whose area is in . There is one exceptional example, which is equi…
math.GM2023
Equable Triangles on the Eisenstein Lattice
Christian Aebi, Grant Cairns
We show that there are only two equable triangles having vertices on the Eisenstein lattice, up to Euclidean motions.