Marginal Spectral Operator

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An operator constructed by integrating the individual spectral densities of a Multivariate Functional Time Series (MFTS) to facilitate analysis.

Why It Matters

The marginal spectral operator is the central object constructed from the data that enables the transformation into a manageable time series representation.

Evidence

integrate individual spectral densities of the MFTS to construct a marginal spectral operator

Related Papers

• openalex-2603.22719-a-frequency-domain-approach-for-integrating-multiple-functio