Prove that this exponential kernel is positive definite
865
Generalized RBF Kernels
135252
If $M$ is positive definite, then $\operatorname{det}{(M)}\leq \prod_i m_{ii}$
11911
How to prove the positive definite property of the semidefinite matrix with regularization?
69349
If $A$ is positive definite, then $\int_{\mathbb{R}^n}\mathrm{e}^{-\langle Ax,x\rangle}\text{d}x=\left|\det\left({\pi}^{-1}A\right)\right|^{-1/2}$
120422
The joint density of the max and min of two independent exponentials
26665
When does the kernel of a function equal the image?
149471
How to derive the conjugate prior of an exponential family distribution
33673
Proving $N(x) = (A(x,x))^\frac12$ is a norm in $V$ given that A is a positive definite bilinear form
49439
Matrix exponential via Cayley-Hamilton Theorem
93062
Is Every Invariant Subspace the Kernel of an polynomial applied in the operator?
48238
Prove the positive definiteness of Hilbert matrix
73807
Prove positive definiteness
89984
Linear combination of two kernel functions
117680
Prove that $|e^{i\theta_1}-e^{i\theta_2}| \leq |\theta_1 - \theta_2|$
77938
How to prove that minimum of two exponential random variables is another exponential random variable?
118996
Prove that $T$ is an orthogonal projection
88746
Positive definiteness of the matrix $A+B$