"105652999"@en-us . "106007381"^^ . "0"^^ . . "104599243"@en-us . . "Riemannian geometry"@en-us . "(mathematics) a non-Euclidean geometry that regards space as like a sphere and a line as like a great circle; \"Bernhard Riemann pioneered elliptic geometry\""@en-us . . . "06007381-n"^^ . "elliptic geometry"@en-us . . . . . . "0"^^ . . "elliptic geometry"^^ .