Fuchsian System
A system of linear differential equations
with
an Analytic 
Matrix, for which the Matrix isAnalytic in 
and has a Pole of order 1at 
for 
, ..., 
. A system is Fuchsian Iff there exist matrices
, ..., 
with entries in 
such that
- Whirl
- Whisker Plot
- Whitehead Double
- Whitehead Link
- Whitehead Manifold
- Whitehead's Theorem
- Whitney-Graustein Theorem
- Whitney-Mikhlin Extension Constants
- Whitney Singularity
- Whitney Sum
- Whitney Umbrella
- Whittaker Differential Equation
- Whittaker Function
- Whole Number
- Width (Partial Order)
- Width (Size)
- Wiedersehen Manifold
- Wieferich Prime
- Wielandt's Theorem
- Wiener Filter
- Wiener Function
- Wiener-Khintchine Theorem
- Wiener Measure
- Wiener Space
- Wigner 3j-Symbol