2


(2+1)-dimensional quantum gravity (defined in quantum geometry)
2-category
2-category of double groupoids
2-C*-category
2D FFT (defined in two-dimensional Fourier transforms)
2D Fourier transforms (=two-dimensional Fourier transforms)
2D FT (defined in two-dimensional Fourier transforms)
2D-FT MR- Imaging and related Nobel awards
2D Laplace transform (defined in table of Laplace transforms)
2D-LT (defined in table of Laplace transforms)
2D-projection (defined in ballistics (2D))
2D quantum tomography (=2D-FT MR- Imaging and related Nobel awards)
2-groupoid (defined in n-groupoids)
2-groupoid (defined in n-groupoid)