Stokes Phenomenon
The asymptotic expansion of the Airy Function 
(and other similar functions) has adifferent form in different sectors of the Complex Plane.
References
Morse, P. M. and Feshbach, H. Methods of Theoretical Physics, Part I. New York: McGraw-Hill, pp. 609-611, 1953.
- Tensor Spherical Harmonic
- Tensor Transpose
- Tent Map
- Terminal
- Ternary
- Tessellation
- Tesseract
- Tesseral Harmonic
- Tethered Bull Problem
- Tetrabolo
- Tetrachoric Function
- Tetracontagon
- Tetracuspid
- Tetrad
- Tetradecagon
- Tetradecahedron
- Tetradic
- Tetradyakis Hexahedron
- Tetraflexagon
- Tetragon
- Tetrahedral Coordinates
- Tetrahedral Graph
- Tetrahedral Group
- Tetrahedral Number
- Tetrahedral Surface