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| Format: | Preprint |
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2026
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| Online-Zugang: | https://arxiv.org/abs/2602.00964 |
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| _version_ | 1866917239275388928 |
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| author | Antonio, Cedeño-Pérez Luis Guadalup, Reyna-Castañeda Hugo Ángeles, Sandoval-Romero María de los |
| author_facet | Antonio, Cedeño-Pérez Luis Guadalup, Reyna-Castañeda Hugo Ángeles, Sandoval-Romero María de los |
| contents | The analytical foundations of modern probability trace back to a sequence of representation theorems that reshaped functional analysis in the twentieth century. From Fréchet identification of linear functionals with vectors in Hilbert spaces to Kakutani characterization of measures on spaces of continuous functions, each theorem reveals how linearity, duality, and measure intertwine. Following this historical and conceptual path, from Fréchet Riesz to Riesz Stieltjes, from Lp duality to Riesz Markov Kakutani, we show that expectation, distribution, conditional expectation, and the Wiener measure are analytic manifestations of a single principle of representation. Viewed through this lens, probability theory appears not merely as an extension of measure theory, but as the geometric realization of functional analysis itself: every probabilistic notion embodies an existence-and-uniqueness principle in a space of functions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_00964 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | From Riesz to Kakutani: Representation Theorems and the Analytical Foundations of Probablility Antonio, Cedeño-Pérez Luis Guadalup, Reyna-Castañeda Hugo Ángeles, Sandoval-Romero María de los Functional Analysis Probability 46N30, 60A99 The analytical foundations of modern probability trace back to a sequence of representation theorems that reshaped functional analysis in the twentieth century. From Fréchet identification of linear functionals with vectors in Hilbert spaces to Kakutani characterization of measures on spaces of continuous functions, each theorem reveals how linearity, duality, and measure intertwine. Following this historical and conceptual path, from Fréchet Riesz to Riesz Stieltjes, from Lp duality to Riesz Markov Kakutani, we show that expectation, distribution, conditional expectation, and the Wiener measure are analytic manifestations of a single principle of representation. Viewed through this lens, probability theory appears not merely as an extension of measure theory, but as the geometric realization of functional analysis itself: every probabilistic notion embodies an existence-and-uniqueness principle in a space of functions. |
| title | From Riesz to Kakutani: Representation Theorems and the Analytical Foundations of Probablility |
| topic | Functional Analysis Probability 46N30, 60A99 |
| url | https://arxiv.org/abs/2602.00964 |