The field ℝ² with multiplication (a,b)(c,d) = (ac-bd, ad+bc); isomorphic to ℝ[x]/(x²+1).
Complex numbers (ℂ)
Related concepts
- Real numbers (ℝ)
- Real numbers (ℝ)
- i (imaginary unit)
- Fourier transform
- Holomorphic function
- Contour integral
- Fast Fourier transform (FFT)
- Power series
- Characteristic function
- Complex measure
- Hartogs extension (1906)
- Pringsheim radius (1894)
- Schrödinger equation
- Rayleigh-Bénard convection onset at dimensionless threshold Ra_c
- Nyquist stability criterion (1932)
- Structure factor and phase problem
- Phase problem (direct methods)