Search Results for author: Mark Podolskij

Found 2 papers, 0 papers with code

High-dimensional estimation of quadratic variation based on penalized realized variance

no code implementations4 Mar 2021 Kim Christensen, Mikkel Slot Nielsen, Mark Podolskij

We show that under a nuclear norm penalization, the PRV is computed by soft-thresholding the eigenvalues of realized variance (RV).

Vocal Bursts Intensity Prediction

Power variations for fractional type infinitely divisible random fields

no code implementations4 Aug 2020 Andreas Basse-O'Connor, Vytautė Pilipauskaitė, Mark Podolskij

This paper presents new limit theorems for power variation of fractional type symmetric infinitely divisible random fields.

Probability

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