Introduction to Cosmology
| 1 - Newton and anti-Newton Link |
| 2 - Notion of geodesic Link |
| 3 - Curvature (angular curvature, angular curvature density) Link |
| 4 - Total curvature. Field-curvature equivalence Link |
| 5 - General Relativity and curvature. The posicones Link |
| 6 - The horse saddle, the negacone, the blunt negacone Link |
| 7 - Conjugate geometries. Gravitational lens effect Link |
| 8 - Invariance under coordinate change. False singularities Link |
| 9 - True, intrinsic singularities Link |
| 10 - Representation space Link |
| 11 - Geometry with toric neck Link |
| 12 - Metric and signature (first part)Link |
| 13 - Metric and signature (second part) Link |
| 14 - Metric and signature (Third part) Link |
| 15 - Structure of space at microscopic scale, quantized space. Checkerboard model Link |
| 16 - The soft checkerboard model Link |
| 17 - Negative masses. Negative lensing. Effect on the confinement of positive masses Link |
| 18 - The outstanding problems in contemporary cosmology Link |
| 19 - Aristotle and Tycho Brahe, referees, respond to Copernicus Link |
| 20 - The "model" of dark matter in cosmology Link |
| 21 - The primitive universe. Remarks made at the Aspen colloquium, on superstrings Link |
| 22 - Didactic image evoking the concept of manifold Link |
| 23 - Conjugate curvatures Link |
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