Abstract: This technical note provides necessary and sufficient conditions to determine that a linear system with more than one matrix in its state-space representation can be decomposed into cascade ...

Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated ...

SINGAPORE, April 1, 2025 /PRNewswire/ -- Mega Matrix Inc. ("MPU" or the "Company") (NYSE American: MPU), a short-video streaming platform and producer of short dramas, announces that it has filed its ...

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This paper proposes a novel shrinkage estimator for high-dimensional covariance matrices by extending the Oracle Approximating Shrinkage (OAS) of Chen et al. (2009) to target the diagonal elements of ...