GPS carrier phase observable

maximal observable

Observable

observable model

observable stratigraphic unit

selection of observable

observable deterioration

# operator

(+)Sobel operator

(Gdel) Implication operator

[non-linear] compact operator

[non-linear] completely continuous operator

[non-linear] Fredholm operator

{Z}operator

’B’operator

△—q operator

0 type fractional operator

2×2 Upper Triangular Operator Matrixes

22 operator matrices

22 operator matrix