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positive definite

The optimal assignment kernel is not positive definite

The optimal assignment kernel is not positive definite

... any positive definite kernel k through (1), because they only ac- cess data through inner products, hence through the ...a positive definite kernel for strings or graphs is ...specific ...

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Emotion Recognition by Body Movement Representation on the Manifold of Symmetric Positive Definite Matrices

Emotion Recognition by Body Movement Representation on the Manifold of Symmetric Positive Definite Matrices

... University of Florence, Florence, Italy 3 Univ. of Lille, CNRS, UMR 9193 SCALab, France Abstract. Emotion recognition is attracting great interest for its po- tential application in a multitude of real-life situations. ...

12

Evolutionary dynamics in discrete time for the perturbed positive definite replicator equation

Evolutionary dynamics in discrete time for the perturbed positive definite replicator equation

... that genotype exceeds the corresponding threshold in any generation then the unperturbed popula- tion will necessarily converge to a pure population consisting of that genotype only. There is always at least one ...

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Riemannian Laplace Distribution on the Space of Symmetric Positive Definite Matrices

Riemannian Laplace Distribution on the Space of Symmetric Positive Definite Matrices

... Academic Editors: Frédéric Barbaresco and Frank Nielsen Received: 19 December 2015; Accepted: 8 March 2016; Published: 16 March 2016 Abstract: The Riemannian geometry of the space P m , of m × m symmetric positive ...

20

Conditionally Positive Definite Kernels for SVM Based Image Recognition

Conditionally Positive Definite Kernels for SVM Based Image Recognition

... 2x 1 x 2 , x 2 2 ). K(x, x 0 ) is thus positive definite, since it can be written as a dot product on R 3 . Generally, the mapping Φ is used im- plicitly which means that the kernel computation does not ...

4

Kernel density estimation on spaces of Gaussian distributions and symmetric positive definite matrices

Kernel density estimation on spaces of Gaussian distributions and symmetric positive definite matrices

... symmetric positive definite matrices under the affine-invariant met- ric and the space of univariate Gaussian distributions is isometric to the hyperbolic ...

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Exploration of Balanced Metrics on Symmetric Positive Definite Matrices

Exploration of Balanced Metrics on Symmetric Positive Definite Matrices

... Symmetric Positive Definite (SPD) matrices are used in many applications: for example, they represent covariance matrices in signal or image processing [1–3] and they are diffusion tensors in diffusion ...

16

Riemannian Framework for estimating Symmetric Positive Definite 4th Order Diffusion Tensors

Riemannian Framework for estimating Symmetric Positive Definite 4th Order Diffusion Tensors

... In this experiment, we also timed the different methods, to compare their running times. It can be expected that as the estimation methods get more complex by trying to accomodate the positivity constraint, they also get ...

9

Robust domain decomposition methods for symmetric positive definite problems

Robust domain decomposition methods for symmetric positive definite problems

... In order to achieve this we will use the strategy introduced in the additive Schwarz framework by [105, 106] and [26] and presented in the previous chapter of this manuscript. This strategy is based on the abstract ...

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Derived classes of positive sub-definite matrices in connection with the Linear Complementarity Problem

Derived classes of positive sub-definite matrices in connection with the Linear Complementarity Problem

... 1.2 Complementarity results A significant part of the analytical approach in the theory of existence of solutions of the Linear Complementarity Problem is based on the formulation of a quadratic program [3]. For this ...

83

On positive functions with positive fourier transforms

On positive functions with positive fourier transforms

... of positive functions ...a positive function is positive-definite. But positive definiteness in the sense of such theorems does not imply plain positivity ...

17

Definite quaternion orders of class number one

Definite quaternion orders of class number one

... between the isomorphism classes of quaternion orders and the equivalence classes of positive definite integral ternary quadratic forms. Two orders A and l~’ are in the same genus of orders (that is, for ...

5

Generalized Hermite Reduction, Creative Telescoping and Definite Integration of D-Finite Functions

Generalized Hermite Reduction, Creative Telescoping and Definite Integration of D-Finite Functions

... −i∞ ( t + x) n e x 2 d x. If one computes a telescoper over Q(n, t ), then our algorithm pro- duces the classical differential equation y ′′ + 2ny = 2ty ′ . However, if n is a given positive integer then the ...

9

Les fondement de l’éducation positive

Les fondement de l’éducation positive

... psychologie positive qui peut être considérée comme la quatrième vague dans l’évolution de la psychologie, les trois premières vagues étant, respectivement, le modèle de la maladie, le behaviorisme et la ...

7

Politique positive et démocratie

Politique positive et démocratie

... politique positive, mais il est permis de se demander s’il n’est pas regrettable qu’une réflexion sur ce type de rapports sociaux ait été ...politique positive peut aider à répondre à cette ...politique ...

12

Théorie positive de la comptabilité

Théorie positive de la comptabilité

... * * * Après plusieurs décennies d’essor, la théorie positive de la comptabilité est l’objet de vives critiques. Le modèle explicatif des choix comptables et de genèse des états financiers proposé par l’ École de ...

10

Experimenting with the king of France: Topics,  verifiability and definite descriptions

Experimenting with the king of France: Topics, verifiability and definite descriptions

... Interim summary Overall, our results underline the importance of the observation, made most clearly by Lasersohn and von Fintel, that semantic truth-value and the felt truth-value intuition might differ. Further, they ...

45

Non positive SVM

Non positive SVM

... It has been shown ([13]) that learning with non positive kernel is actually solving the learning problem in a Krein space instead of a Hilbert space. It has also been shown that in this situation, the learning ...

16

Théorie positive de la comptabilité

Théorie positive de la comptabilité

... Théorie positive de la comptabilité ■ 1395 ...démarche positive en comptabilité, les travaux fondateurs relatifs à l’évaluation empirique de l’utilité décision- nelle des données comptables sont dus à Ball ...

11

Temporal uses of Definite Articles and Demonstratives in Pomak (Slavic, Greece)

Temporal uses of Definite Articles and Demonstratives in Pomak (Slavic, Greece)

... E. Adamou Page 17 The presence of a deictic suffix indicates that the process is anchored in the utterance situation, while the choice of the deictic suffix indicates the type of relation between the process situation ...

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