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2018
In the previous chapter, we observed a peculiar relation between the smoothness and the rapidity of vanishing at infinity of a function f, as well as its Fourier transform \(\hat {f}\). Based upon this observation, we introduce an important function space \(\mathfrak {S}\), which is invariant under the Fourier transforms. We then proceed to \(\mathfrak
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In the previous chapter, we observed a peculiar relation between the smoothness and the rapidity of vanishing at infinity of a function f, as well as its Fourier transform \(\hat {f}\). Based upon this observation, we introduce an important function space \(\mathfrak {S}\), which is invariant under the Fourier transforms. We then proceed to \(\mathfrak
openaire +3 more sources
Integrated photodetectors for compact Fourier-transform waveguide spectrometers
Nature Photonics, 2022Matthias J Grotevent, Sergii V Yakunin
exaly
Wide-field, high-resolution Fourier ptychographic microscopy
Nature Photonics, 2013Guoan Zheng +2 more
exaly
MAFFT: a novel method for rapid multiple sequence alignment based on fast Fourier transform
Nucleic Acids Research, 2002Kazutaka Katoh, Kazuharu Misawa
exaly