(2) Research Institute for Physics and Technology,
Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Ave., Nizhny Novgorod 603 950, Russia
Lobachevsky, "An enteroendocrine cell-based model for a quiescent intestinal stem cell niche," Cell Proliferation, vol.
(2) National Research,
Lobachevsky State University of Nizhniy Novgorod (Arzamas Branch), K.
Non-Euclidean geometries (Riemann,
Lobachevsky et al) 7.
Poe thus questioned the assumption of Euclidian geometry that the axioms of this system are self-evident truths; and he did this precisely in the crucial period in which Janos Bolyai, Nikolai
Lobachevsky, Karl Gauss and Georg Riemann were laying the foundations of non-Euclidian geometry, which is grounded not on axioms, but on "spatial definitions," these being always consistent, although inconceivable (Beaver 1976: 400).
Lobachevsky State University of Nizhni Novgorod, Russia, 603950, Nizhni Novgorod, Gagarina Avenue, 23
Lobachevsky State University of Nizhni Novgorod (Nizegorodskij Gosudarstvennyj Universitet) Russia, 603950, Nizhni Novgorod, Prospekt Gagarina, 23
(1) Radiophysics Department,
Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod 603950, Russia