Astronomers at Texas A&M University have discovered a rare, tightly packed collision of galaxies in the early universe, suggesting that galaxies were interacting and shaping their surroundings far ...
Abstract: cross-dimensional principal component analysis (CD-PCA). It is based on the semi-tensor product of matrices theory (STP), where a new projection rule is introduced to reduce dimensionality ...
Abstract: A fast analysis method for large finite arrays is proposed, which directly employs the near-field Huygens surface data of an isolated element instead of its full structural model. By ...
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