List of things named after Roger Penrose
This is a list of things named for the British scientist Roger Penrose: == Mathematics == Moore–Penrose inverse, the most widely known generalization of the inverse matrix in particular linear algebra Penrose graphical notation, a visual depiction of multilinear functions or tensors Penrose stairs, impossible object (co-created with his father Lionel Penrose) Penrose tiling, an example of an aperiodic tiling Penrose triangle, impossible object (co-created with his father Lionel Penrose) Penrose unilluminable room, first solution to the illumination problem == Physics == Diósi–Penrose model, possible solution to the measurement problem Geroch–Held–Penrose formalism Newman–Penrose formalism, a set of notation for general relativity Penrose diagram, a two-dimensional diagram capturing the causal relations between different points in spacetime Penrose inequality, estimation of the mass of a spacetime Penrose conjecture Penrose interpretation, speculation about the relationship between quantum mechanics and general relativity Penrose process, or Penrose mechanism, a theoretical means whereby energy can be extracted from a rotating black hole Penrose singularity theorem in general relativity Penrose transform, a complex analogue of the Radon transform in theoretical physics Penrose–Terrell effect, visual distortion according to the special theory of relativity Penrose–Ward correspondence Rietdijk–Putnam–Penrose argument, version of Rietdijk–Putnam argument == Other == Penrose–Lucas argument, a logical argument Penrose tennis ball, 1995, a novel economical design in which the two halves that cup to form the ball very nearly tile the plane.
Source: Wikipedia — List of things named after Roger Penrose (CC BY-SA 4.0)