Differential invariants on symplectic spinors in contact projective geometry

Libor Křižka; Petr Somberg

doi:10.1063/1.5001032

Differential invariants on symplectic spinors in contact projective geometry

Journal of Mathematical Physics ◽

10.1063/1.5001032 ◽

2017 ◽

Vol 58 (9) ◽

pp. 091701

Author(s):

Libor Křižka ◽

Petr Somberg

Keyword(s):

Projective Geometry ◽

Differential Invariants ◽

Symplectic Spinors

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Projective Geometry

10.1007/978-1-4612-3896-6 ◽

1988 ◽

Cited By ~ 29

Author(s):

Pierre Samuel

Keyword(s):

Projective Geometry

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An Approach to Proving Proof Obligation of Hybrid Event B Based on Differential Invariants

2017 IEEE 41st Annual Computer Software and Applications Conference (COMPSAC) ◽

10.1109/compsac.2017.52 ◽

2017 ◽

Author(s):

Jie Liu ◽

Jing Liu ◽

Miaomiao Zhang ◽

Haiying Sun ◽

Xiaohong Chen ◽

...

Keyword(s):

Differential Invariants ◽

Proof Obligation ◽

Hybrid Event

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Fuzzy plane projective geometry

Fuzzy Sets and Systems ◽

10.1016/0165-0114(93)90276-n ◽

1993 ◽

Vol 54 (2) ◽

pp. 191-206 ◽

Cited By ~ 13

Author(s):

K.C. Gupta ◽

Suryansu Ray

Keyword(s):

Projective Geometry

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Einstein on involutions in projective geometry

Archive for History of Exact Sciences ◽

10.1007/s00407-020-00270-z ◽

2021 ◽

Author(s):

Tilman Sauer ◽

Tobias Schütz

Keyword(s):

Projective Geometry ◽

Common Theme ◽

Infinite Point

AbstractWe discuss Einstein’s knowledge of projective geometry. We show that two pages of Einstein’s Scratch Notebook from around 1912 with geometrical sketches can directly be associated with similar sketches in manuscript pages dating from his Princeton years. By this correspondence, we show that the sketches are all related to a common theme, the discussion of involution in a projective geometry setting with particular emphasis on the infinite point. We offer a conjecture as to the probable purpose of these geometric considerations.

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