464 Index
sum rules 206
– superconvergence relation 207
superposition principle 119
t
Tayor series 42
transition operator 359
triangle inequalities 4
u
uncertainty principle 135
v
van der Pol oscillator 162
variational methods 256
w
Weierstrass 41
weight function 228
Wiener–Khintchine theorem 134
Wigner–Eckart theorem 405
– spherical tensor 443
windowing 187
Wronskian 243
– Sturm–Liouville 262
y
Yukawa potential 186
