3 citations · 3 across the 2 of their papers we have counts for
2 papers
math.GR2023
A non-symmetric Kesten criterion and ratio limit theorem for random walks on amenable groups
Rhiannon Dougall, Richard Sharp
We consider random walks on countable groups. A celebrated result of Kesten says that the spectral radius of a symmetric walk (whose support generates the group as a semigroup) is…
cs.SD2022★ 3 cited
Mel Spectrogram Inversion with Stable Pitch
Bruno Di Giorgi, Mark Levy, Richard Sharp
Vocoders are models capable of transforming a low-dimensional spectral representation of an audio signal, typically the mel spectrogram, to a waveform. Modern speech generation pip…