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Probabilities and Potential

Probabilities and Potential is a mathematics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Probabilities and Potential rather than just read about it. In short: Probabilities and Potential (titled Probabilités et Potentiel in the original French) is a mathematics book written by Claude Dellacherie and Paul-André Meyer (and Bernard Maisonneuve, for volume 5 only). It was published by Éditions Hermann in five volumes between 1975 and 1992.

Probabilities and Potential — main illustration
Probabilities and Potential — illustration

Key takeaways

  • Probabilities and Potential belongs to mathematics; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Probabilities and Potential to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Probabilities and Potential from memory before moving on to harder problems.

Reference excerpt

Probabilities and Potential (titled Probabilités et Potentiel in the original French) is a mathematics book written by Claude Dellacherie and Paul-André Meyer (and Bernard Maisonneuve, for volume 5 only). It was published by Éditions Hermann in five volumes between 1975 and 1992.

Background and publication In 1966 Meyer published a book on probabilistic potential theory called Probability and Potentials with publisher Blaisdell. He planned a follow-up book on Markov processes, and published a draft of the book with Springer Verlag as lecture notes entitled Processus de Markov in 1967; however, the publication of Robert Blumenthal and Ronald Getoor's 1968 book Markov Processes and Potential Theory led Meyer to shelve the plans. In 1972 Dellacherie published the book Capacities et Processus Stochastiques with Springer Verlag. Dellacherie and Meyer's individual books were described by Joanna Mitro as "cornerstones of the 'general theory of (stochastic) processes.'" The first volume of Dellacherie and Meyer's Probabilités et Potentiel was published in French in 1975 by Éditions Hermann, and was published in English as Probabilities and Potential by North Holland in 1978. The second volume was published in French in 1980, and in English as Probabilities and Potential B in 1982, translated by J. P. Wilson. The third and fourth French volumes were published in 1983 and 1987, and comprise chapters IX–XI and XII–XVI respectively; the third and final English volume Probabilities and Potential C was published in 1988, translated by James R. Norris, and comprises chapters IX–XIII. The fifth and final French volume, written together with Bernard Maisonneuve, was published in 1992.

Content Probabilities and Potential was intended to be an update and extension of Meyer's 1966 book. Mitro writes that the raison d'être of the book is "the existence of an intimate connection between probability theory and potential theory". Marc Yor summarises the content of each French volume of Probabilities and Potential as follows:

Volume 1 covers integration, analytic sets, and Gustave Choquet's theory of capacities, and includes an introduction to stochastic processes. Volume 2 is titled Martingale theory, and covers martingales, the Doob-Meyer decomposition, semimartingales (including results like Girsanov's theorem and the Kunita–Watanabe inequality), and stochastic integration (including Tanaka's formula). Volume 3 is titled Discrete potential theory, and provides an introduction to discrete potential theory, covering réduite, "new methods in capacity theory", and applications. Volume 4 is titled Potential theory associated with a resolvent; theory of Markov processes, and covers Markovian resolvents, excessive functions, the theory of Feller processes and Ray processes, local times, Kiyosi Itô's excursion theory, Borel right processes, the carré du champ operator, and Lévy systems. Volume 5 is titled Markov processes (the end), and covers excessive measures, time reversal of Markov processes, Kuznetsov measures and Palm measures, filtrations, Malliavin Calculus, the Riesz transforms, and stochastic differential equations.

Chapters

Reception Ronald Getoor, in his 1980 review of the first English volume, wrote that "the current generation of probabilists can only be grateful to Dellacherie and Meyer for their thorough exposition and hope that they do not tire in the task that they have set themselves." In a review of the fourth French volume, Joanna Mitro wrote that "the authors are in complete control of their subject, and the result is masterful. Meyer and Dellacherie...are responsible not only for creating a good deal of new mathematics there, but also for energetically propagating the ideas and techniques among members of the probability community...This current project is a tour de force." In his memorial article on Meyer from 2006, Marc Yor described Probabilities and Potential as "a wonderful synthesis of the works of Paul André Meyer, starting from the publication of his book in 1966, and decanting the twenty five volumes of the [Strasbourg] Séminaire".

References

Worked examples

Example 1 — a first encounter with Probabilities and Potential

Start with the simplest possible case. Write down what Probabilities and Potential claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Probabilities and Potential before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Probabilities and Potential ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Probabilities and Potential

In research
Probabilities and Potential appears in mathematics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Probabilities and Potential in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Probabilities and Potential is common in secondary-school and first-year university syllabi. It links to neighbouring topics 20th-century non-fiction books, Collaborative non-fiction books, French-language non-fiction books, so understanding it makes those chapters shorter.
In everyday life
Look for Probabilities and Potential outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Probabilities and Potential in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Probabilities and Potential means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Probabilities and Potential out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Probabilities and Potential in simple terms?

Probabilities and Potential (titled Probabilités et Potentiel in the original French) is a mathematics book written by Claude Dellacherie and Paul-André Meyer (and Bernard Maisonneuve, for volume 5 only). It was published by Éditions Hermann in five volumes between 1975 and 1992.

Why does Probabilities and Potential matter?

Because it connects several mathematics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Probabilities and Potential?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Probabilities and Potential.

Tags

  • 20th-century non-fiction books
  • Collaborative non-fiction books
  • French-language non-fiction books
  • Mathematics textbooks
  • Probability books
  • Éditions Hermann books

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