• Thumbnail for Reproducing kernel Hilbert space
    In functional analysis, a reproducing kernel Hilbert space (RKHS) is a Hilbert space of functions in which point evaluation is a continuous linear functional...
    33 KB (6,323 words) - 07:26, 29 April 2025
  • first define a reproducing kernel Hilbert space (RKHS): Definition: Space H {\displaystyle H} is called a reproducing kernel Hilbert space if the evaluation...
    24 KB (4,346 words) - 08:53, 20 April 2025
  • kernel methods. Using a kernel, the originally linear operations of PCA are performed in a reproducing kernel Hilbert space. Recall that conventional...
    9 KB (1,338 words) - 02:21, 13 April 2025
  • the Hilbert space theory of stochastic processes, for example the Karhunen–Loève theorem; and it is also used in the reproducing kernel Hilbert space theory...
    12 KB (1,942 words) - 18:28, 20 April 2025
  • kernel methods typically involves reproducing kernel Hilbert spaces (RKHS). Not all kernels form inner product spaces, as they may not always be positive...
    18 KB (2,779 words) - 14:51, 16 April 2025
  • Thumbnail for Hilbert space
    )\,.} A Bergman space is an example of a reproducing kernel Hilbert space, which is a Hilbert space of functions along with a kernel K(ζ, z) that verifies...
    128 KB (17,489 words) - 05:39, 2 May 2025
  • element of a reproducing kernel Hilbert space (RKHS). A generalization of the individual data-point feature mapping done in classical kernel methods, the...
    55 KB (9,762 words) - 06:13, 14 March 2025
  • Representer theorem (category Hilbert spaces)
    risk functional defined over a reproducing kernel Hilbert space can be represented as a finite linear combination of kernel products evaluated on the input...
    14 KB (2,800 words) - 18:01, 29 December 2024
  • holomorphic. If p = 2, then Ap(D) is a reproducing kernel Hilbert space, whose kernel is given by the Bergman kernel. If the domain D is bounded, then the...
    10 KB (1,461 words) - 01:08, 6 September 2023
  • Thumbnail for Dirac delta function
    function in this Hilbert space. A Hilbert space having such a kernel is called a reproducing kernel Hilbert space. In the special case of the unit disc,...
    96 KB (14,231 words) - 04:12, 23 April 2025
  • x {\displaystyle x} . The kernel of a reproducing kernel Hilbert space is used in the suite of techniques known as kernel methods to perform tasks such...
    12 KB (899 words) - 20:19, 3 April 2025
  • Positive-definite kernel, a generalization of a positive-definite matrix Kernel trick, in statistics Reproducing kernel Hilbert space Seed, inside the...
    3 KB (373 words) - 21:30, 29 June 2024
  • Reproducing kernel Hilbert space Riesz representation theorem Rigged Hilbert space Spectral theorem, Spectral theory Trace class Normed vector space Unit...
    5 KB (475 words) - 23:38, 19 July 2023
  • R ) {\displaystyle {\mathcal {H}}(R)} be a reproducing kernel Hilbert space with positive definite kernel R {\displaystyle R} . Driscoll's zero-one law...
    44 KB (5,929 words) - 11:10, 3 April 2025
  • = h ∗ ( x ) + b {\displaystyle f^{*}(x)=h^{*}(x)+b} from a reproducing kernel Hilbert space H {\displaystyle {\mathcal {H}}} by minimizing the regularized...
    22 KB (3,038 words) - 10:40, 31 December 2024
  • where H {\displaystyle {\mathcal {H}}} is a vector valued reproducing kernel Hilbert space with functions f : X → Y T {\displaystyle f:{\mathcal {X}}\rightarrow...
    43 KB (6,156 words) - 02:44, 17 April 2025
  • Thumbnail for Regularization (mathematics)
    Without bounds on the complexity of the function space (formally, the reproducing kernel Hilbert space) available, a model will be learned that incurs...
    30 KB (4,623 words) - 05:23, 30 April 2025
  • a reproducing kernel Hilbert space. Those contrast functions use the notion of mutual information as a measure of statistical independence. Kernel ICA...
    4 KB (516 words) - 03:53, 24 July 2023
  • Random feature (category Kernel methods for machine learning)
    {\textstyle V} is a Hilbert space (more specifically, a reproducing kernel Hilbert space), the kernel trick replaces inner products in feature space ⟨ ϕ ( x i )...
    11 KB (1,705 words) - 04:57, 9 November 2024
  • Hardy space with square norm. It is a subspace of L2 space, and is thus a Hilbert space. In particular, it is a reproducing kernel Hilbert space. In general...
    2 KB (361 words) - 22:26, 23 February 2022
  • problem is to learn f ∗ {\displaystyle f_{*}} belonging to a reproducing kernel Hilbert space of vector-valued functions ( H {\displaystyle {\mathcal {H}}}...
    26 KB (4,220 words) - 13:17, 1 May 2025
  • kernel PCA, and most other kernel algorithms, regularized by a norm in a reproducing kernel Hilbert space, have solutions taking the form of kernel expansions...
    19 KB (2,007 words) - 07:35, 13 September 2024
  • analysis, where he systematically developed the concept of reproducing kernel Hilbert space. He also contributed to mathematical logic. An Ashkenazi Jew...
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  • the regression function is to use functions from a reproducing kernel Hilbert space. These spaces can be infinite dimensional, in which they can supply...
    13 KB (1,836 words) - 19:46, 12 December 2024
  • Thumbnail for Principal component analysis
    generalization is kernel PCA, which corresponds to PCA performed in a reproducing kernel Hilbert space associated with a positive definite kernel. In multilinear...
    117 KB (14,895 words) - 17:43, 23 April 2025
  • Thumbnail for Nonlinear dimensionality reduction
    high-dimensional space. This algorithm cannot embed out-of-sample points, but techniques based on Reproducing kernel Hilbert space regularization exist...
    48 KB (6,112 words) - 15:28, 18 April 2025
  • reciprocity Hilbert scheme Hilbert space Hilbert dimension Projective Hilbert space Reproducing kernel Hilbert space Rigged Hilbert space Semi-Hilbert space Hilbert...
    3 KB (225 words) - 14:55, 4 April 2022
  • Thumbnail for John von Neumann
    Invariant Kernels and Screw Functions". p. 2. arXiv:1302.4343 [math.FA]. Alpay, Daniel; Levanony, David (2008). "On the Reproducing Kernel Hilbert Spaces Associated...
    208 KB (23,693 words) - 07:41, 30 April 2025
  • corresponding reproducing kernel Hilbert spaces H A , H B {\displaystyle {\mathcal {H_{A}}},{\mathcal {H_{B}}}} , then a larger space, H D {\displaystyle...
    15 KB (2,510 words) - 21:06, 14 April 2025
  • several complex variables, the Bergman kernel, named after Stefan Bergman, is the reproducing kernel for the Hilbert space (RKHS) of all square integrable holomorphic...
    3 KB (477 words) - 19:42, 27 August 2024