
Curvatures of Stiefel manifolds with deformation metrics
We compute curvatures of a family of tractable metrics on Stiefel manifo...
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Riemannian Geometry with differentiable ambient space and metric operator
We show Riemannian geometry could be studied by identifying the tangent ...
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Closedform geodesics and trustregion method to calculate Riemannian logarithms on Stiefel and its quotient manifolds
We provide two closedform geodesic formulas for a family of metrics on ...
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Operatorvalued formulas for Riemannian Gradient and Hessian and families of tractable metrics in optimization and machine learning
We provide an explicit formula for the LeviCivita connection and Rieman...
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A theorem of Kalman and minimal statespace realization of Vector Autoregressive Models
We introduce a concept of autoregressive (AR)statespace realization tha...
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Vector Autoregressive Moving Average Model with Scalar Moving Average
We show Vector Autoregressive Moving Average models with scalar Moving A...
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Lagrange Multipliers and Rayleigh Quotient Iteration in Constrained Type Equations
We generalize the Rayleigh quotient iteration to a class of functions ca...
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Du Nguyen
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