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Optimal Estimation of a Signal Generated Using a Dynamical System Modeled with McKean-Vlasov Stochastic Differential Equations. [PDF]
Entropy (Basel)Dragan V, Aberkane S.
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Vision-based adaptive path following controller for 4W mobile robots on varied terrains. [PDF]
Sci RepChen Y, Zeng W, Liu X, Li N, Du S.
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Stability of Difference Equations with Interspecific Density Dependence, Competition, and Maturation Delays. [PDF]
Bull Math BiolHosack GR, El-Hachem M, Beeton NJ.
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Tsirelson bounds for quantum correlations with indefinite causal order. [PDF]
Nat CommunLiu Z, Chiribella G.
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A note on Hermitian positive semidefinite matrix polynomials
Linear Algebra and its Applications, 2020zbMATH Open Web Interface contents unavailable due to conflicting licenses.
S. Friedland, A. Melman
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Approximation by a Hermitian Positive Semidefinite Toeplitz Matrix
SIAM Journal on Matrix Analysis and Applications, 1993The authors study the problem of finding the closest Hermitian positive semidefinite Toeplitz matrix of a given rank to an arbitrary given matrix (in the Frobenius norm = Hilbert-Schmidt norm). They introduce two methods, one is based on using a special orthonormal basis in the space of Hermitian Toeplitz matrices and the second is a modified ...
Suffridge, T. J., Hayden, T. L.
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On the Positive Semidefinite Nature of a Certain Matrix Expression
Canadian Journal of Mathematics, 1964By "positive definite matrices" or, briefly, definite matrices, we mean in this note self-adjoint matrices all the characteristic values of which are positive. Alternatively, they can be defined as matrices, all the hermitian quadratic forms of which are real and positive.
Wigner, Eugene P., Yanase, M. M.
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