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

Penrose diagram, a two-dimensional diagram capturing the causal relations between different points in spacetime
Penrose–Terrell effect, visual distortion according to the special theory of relativity
Newman–Penrose formalism, a set of notation for general relativity
Penrose inequality, estimation of the mass of a spacetime
- Penrose conjecture
Penrose interpretation, speculation about the relationship between quantum mechanics and general relativity
Diósi–Penrose model, possible solution to the measurement problem
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–Ward correspondence
Geroch–Held–Penrose formalism
Rietdijk–Putnam–Penrose argument, version of Rietdijk–Putnam argument