Theta (disambiguation)
Theta is the eighth Greek letter, written Θ (uppercase) or θ (lowercase).
Theta may also refer to:
Science and mathematics
- Θ (set theory), the least ordinal α such that there is no surjection from the reals onto α
- Theta (gastropod), a genus of sea snails
- Theta functions, special functions of several complex variables
- Theta meson, a hypothetical meson in quantum physics
- Theta representation, a particular representation of the Heisenberg group of quantum mechanics
- Theta wave, in biology
- Theta*, a pathfinding algorithm in computer science
- , a Bachmann–Landau notation in computational complexity theory
- The denotation for potential temperature
- A common symbol for a variable of the measure of an angle
Business
- GM Theta platform, an automobile platform of General Motors
- Theta Networks a telecommunications software company
Other uses
- Theta (finance), in quantitative finance, a first order derivative of an option pricing formula versus time
- Theta (musician), a Greek musician
- Theta (video game), a 2007 game produced by Kensuke Tanabe
- Theta role, in linguistics
- Theta, Gauteng, a suburb of Johannesburg, South Africa
- An IPA symbol for voiceless dental fricative
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