Branch Point
An argument at which identical points in the Complex Plane are mapped to different points. For example, consider
Then
, but 
, despite the fact that 
.Pinch Points are also called branch points.See also Branch Cut, Pinch Point
References
Arfken, G. Mathematical Methods for Physicists, 3rd ed. Orlando, FL: Academic Press, pp. 397-399, 1985. Morse, P. M. and Feshbach, H. Methods of Theoretical Physics, Part I. New York: McGraw-Hill, pp. 391-392 and 399-401, 1953.
- Dilemma
- Dilogarithm
- Dilworth's Lemma
- Dilworth's Theorem
- Dimension
- Dimensionality Theorem
- Dimension Axiom
- Dimension Invariance Theorem
- Diminished Polyhedron
- Diminished Rhombicosidodecahedron
- Dini Expansion
- Dini's Surface
- Dini's Test
- Dinitz Problem
- Diocles's Cissoid
- Diophantine Equation
- Diophantine Equation--10th Powers
- Diophantine Equation--5th Powers
- Diophantine Equation--6th Powers
- Diophantine Equation--7th Powers
- Diophantine Equation--8th Powers
- Diophantine Equation--9th Powers
- Diophantine Equation--Cubic
- Diophantine Equation--Linear
- Diophantine Equation nth Powers