Wikipedia says: In mathematics, particularly in dynamical systems, a first recurrence map or Poincaré map, named after Henri Poincaré, is the intersection of a periodic orbit in the state space of a continuous dynamical system with a certain lower-dimensional subspace, called the Poincaré section, transversal to the flow of the system.Poincaré Conjecture. In 1904 the French mathematician Henri Poincaré asked if the three dimensional sphere is characterized as the unique simply connected three manifold. This question, the Poincaré conjecture, was a special case of Thurston’s geometrization conjecture. Perelman’s proof tells us that every three manifold is built from a ... [EG] L.C. Evans, R.F. Gariepy, "Measure theory and fine properties of functions" Studies in Advanced Mathematics. CRC Press, Boca Raton, FL, 1992.He originated many of the central concepts of algebraic topology, a subject which only came to full flower in the mid-twentieth century. He invented qualitative ...xiii, 592 pages : 24 cm "Henri Poincaré (1854-1912) was not just one of the most inventive, versatile, and productive mathematicians of all time--he was also a leading physicist who almost won a Nobel Prize for physics and a prominent philosopher of science whose fresh and surprising essays are still in print a century later. Jan 11, 2024 · Poincaré conjecture, in topology, conjecture—now proven to be a true theorem —that every simply connected, closed, three-dimensional manifold is topologically equivalent to S3, which is a generalization of the ordinary sphere to a higher dimension (in particular, the set of points in four-dimensional space that are equidistant from the ... May 29, 2018 · POINCARé, JULES HENRI. ( b. Nancy, France, 29 April 1854; d. Paris, France, 17 July 1912), mathematics, celestial mechanics, theoretical physics, philosophy of science. For the original article on Poincaré see DSB, vol. 11. Historical studies of Henri Poincaré’s life and science turned a corner two years after the publication of Jean ... Yes, Poincaré was a polymath with diverse interests. Apart from mathematics, he also made significant contributions to theoretical physics, philosophy, and the philosophy of science. He was deeply interested in understanding the nature of creativity and the role of intuition in scientific discovery. 3.xiii, 592 pages : 24 cm "Henri Poincaré (1854-1912) was not just one of the most inventive, versatile, and productive mathematicians of all time--he was also a leading physicist who almost won a Nobel Prize for physics and a prominent philosopher of science whose fresh and surprising essays are still in print a century later.Poincaré's Theorem. If (i.e., is an irrotational field) in a simply connected neighborhood of a point , then in this neighborhood, is the gradient of a scalar field , for , where is the gradient operator. Consequently, the gradient theorem gives. for any path located completely within , starting at and ending at .1910年，圖盧茲寫了一本名為《亨利·龐加萊》的書 [10] [11] [7] 。. 他在書中談及了龐加萊的時間安排和習慣：. 他在每天按照同樣時間工作，分成短的時間段。. 他每天花4小時從事數學研究，分別是在上午10點到中午之間，以及在下午5點到7點之間。. 他在晚上晚些 ... POINCARÉ, RAYMOND (1860–1934), French politician. Born in Bar-le-Duc (Meuse) in Lorraine on 20 August 1860, Raymond Poincaré occupied the highest offices of the French state, including president of the republic, in a political career that ran from 1886 to 1934. Longevity and achievement made him one of the foremost statesmen of the …Learn about Poincaré's life, achievements, and views on conventionalism, geometry, logic, and chaos. He was a pioneer of differential equations, relativity, and algebraic topology.The goal of Annales Henri Poincaré is to serve the international scientific community in theoretical and mathematical physics by collecting and publishing original research papers meeting the highest professional standards in the field. Founded as a merger of 'Annales de l'Institut Henri Poincaré, physique théorique' and 'Helvetica Physical ... Overall, the Poincare arc measurement technique is easy to understand and the measurement setup is relatively simple. However, it requires a polarimeter, which is a specialized instrument. In addition, the frequency tuning of the tunable laser has to be continuous to provide the accurate trace of the polarization rotation, as illustrated in Fig. …King Oscar's prize was won three years after it was launched, in 1890, by the French mathematician Henri Poincaré (1854 - 1912), who restricted himself to the case in which there are just three bodies. After winning the prize Poincaré discovered a major flaw in his argument, putting him in a rather embarrassing situation since his manuscript ...These beams are referred to here as full Poincaré (FP) beams. We then show how an approximation to these beams can be created experimentally by exploiting the ...Feb 28, 2022 · In his first philosophy book, Science and Hypothesis, Poincaré gives us a picture which relates the different sciences to different kinds of hypotheses. In fact, as Michael Friedman has pointed out (Friedman 1995), Poincaré arranges this book—chapter by chapter—in terms of a hierarchy of sciences. Science and Hypothesis Quotes Showing 1-10 of 10. “ Le savant doit ordonner ; on fait la science avec des faits comme une maison avec des pierres ; mais une accumulation de faits n'est pas plus une science qu'un tas de pierres n'est une maison. The Scientist must set in order. Science is built up with facts, as a house is with stones. Lecture Four: The Poincare Inequalities In this lecture we introduce two inequalities relating the integral of a function to the integral of it’s gradient. They are the DirichletPoincare and the NeumannPoincare in equalities. The DirichletPoincare Inequality Theorem 1.1 If u : B r → R is a C1 function with u = 0 on ∂B r thenPoincare's Silence and Einstein's Relativity: The Role of Theory and Experiment in Poincaré's Physics - Volume 5 Issue 1 Skip to main content Accessibility help We use cookies to distinguish you from other users and to provide you with a better experience on our websites.Feb 15, 2021 ... Poincaré's philosophy of mathematics: Poincaré identified himself as an intuitionist in defense of Kant's philosophy of mathematics. He was ...Poincaré is considered one of the great geniuses of all time and often described as the last universalist in mathematics. He made contributions to numerous ..."Henri Poincaré" published on by Oxford University Press.Poincare Jules Henri Poincare is an infamous mathematician, engineer and scientist to which much of our histories advances are credited. Born on April 29, 1854 he came from a vast and influential family. His father was an eclectic professor of medicine at the University of Nancy where he contributed a lot to the field; his youngest sister Aline married a …In 1887, Poincaré won the Oscar II, King of Sweden's mathematical competition for a resolution of the three-body problem concerning the free motion of multiple ...Papers to Appear in Subsequent Issues. When papers are accepted for publication, they will appear below. Any changes that are made during the production ...This is the text of a lecture presented at the Poincaré Symposium in Brussels, October 8-9, 2004. In 1954 the scientific community celebrated the 100th anniversary of Henri Poincaré’s birth. At that time, Poincaré’s fame was not at its highest point among mathematicians, and the spirit of Hilbert dominated most mathematical minds.Oct 13, 2021 · In the last decade, the Poincaré conjecture has probably been the most famous statement among all the contributions of Poincaré to the mathematics community. There have been many papers and books that describe various attempts and the final works of Perelman leading to a positive solution to the conjecture, but the evolution of Poincaré’s ... Poincaré is considered one of the great geniuses of all time and often described as the last universalist in mathematics. He made contributions to numerous ...Jules Henri Poincaré ( Nancy, 1854. április 29. – Párizs, 1912. július 17.) Bolyai-díjas francia matematikus, fizikus és filozófus; a konvencionalista tudományelméleti felfogás kidolgozója. A Poincaré-sejtés és a Poincaré-féle követőfüggvény névadója. Raymond Poincaré politikus, miniszterelnök, köztársasági elnök ... An immediate corollary of this result is the existence of periodic orbits in a regular set Λ ℓ of a nonuniformly hyperbolic diffeomorphism. In fact, a stronger result holds. Denote by Per h (f) the set of hyperbolic periodic points for f.. Theorem 15.2 (Katok [135]). We have supp v ⊂ P e r h (f) ¯.. The proof of Theorem 15.2 is an application of Theorem 15.1.Fix x 0 ∈ supp μ, …74 quotes from Henri Poincaré: 'The scientist does not study nature because it is useful to do so. He studies it because he takes pleasure in it, and he takes pleasure in it because it is beautiful. If nature were not beautiful it would not be worth knowing, and life would not be worth living. I am not speaking, of course, of the beauty ... Feb 28, 2022 · In his first philosophy book, Science and Hypothesis, Poincaré gives us a picture which relates the different sciences to different kinds of hypotheses. In fact, as Michael Friedman has pointed out (Friedman 1995), Poincaré arranges this book—chapter by chapter—in terms of a hierarchy of sciences. 5 works of Henri Poincaré French mathematician, theoretical physicist, engineer, and a philosopher of science (1854-1912) This ebook presents a collection ...Henri Poincaré. Jules Henri Poincaré (n. 29 aprilie 1854, Nancy, Franța – d. 17 iulie 1912, Paris, Franța) ( IPA: [pwɛ̃kaˈʀe]) a fost unul dintre cei mai mari matematicieni și fizicieni francezi. A avut contribuții științifice importante și în domeniile astronomie, geodezie, termodinamică, mecanica cuantică, teoria ... Despite his criticisms, Poincaré was second thinker, after William James (and perhaps influenced directly by James) to propose the two-stage process of random ...This paper introduces an end-to-end residual network that operates entirely on the Poincaré ball model of hyperbolic space. Hyperbolic learning has recently shown great potential for visual understanding, but is currently only performed in the penultimate layer(s) of deep networks. All visual representations are still learned through standard …The father of relativity theory : Einstein vs Poincaré. « We are like dwarfs on the shoulders of giants. ». This famous metaphor, attributed to Bernard de Chartres, a XIIth century philosopher, reused by Newton and Pascal among others, is a tribute to savant predecessors and an acknowledgment of the cumulative nature of scientific knowledge.Abstract. The Poincaré-Bendixson Theorem and the development of the theory are presented — from the papers of Poincaré and Bendixson to modern results. MSC: 37E35; 34C25; 34-03; 01A60. Keywords: Poincaré-Bendixson Theorem; Limit set; Flow; 2-dimensional system; Periodic trajectory; Critical point; Section.Poincaré sphere. The sphere in the space $\mathbf R^ {3}$ with diametrically-opposite points identified. The Poincaré sphere is diffeomorphic to the projective plane $\mathbf R P ^ {2} $. It was introduced by H. Poincaré to investigate the behaviour at infinity of the phase trajectories of a two-dimensional autonomous system …different ways, with the different sorts of loops in a topological space. Essentially, each hole in an n-holed torus has two types of loops around it. ... paper ...French. Poincaré, Henri (1854-1912) French mathematician who did important work in many different branches of mathematics. However, he did not stay in any one field long enough to round out his work. He had an amazing memory and could state the page and line of any item in a text he had read. He retained this memory all his life. "Henri Poincaré" published on by Oxford University Press.Henri Poincaré, (born April 29, 1854, Nancy, France—died July 17, 1912, Paris), French mathematician, theoretical astronomer, and philosopher of science. Born into a distinguished family of civil servants ( see Raymond Poincare), he excelled at mental calculation and possessed an unusually retentive memory. He wrote a doctoral dissertation ...In his fantastic 1939 Technique for Producing Ideas, James Webb Young extolled “unconscious processing” — a period marked by “no effort of a direct nature” toward the objective of your creative pursuit — as the essential fourth step of his five-step outline of the creative process.The idea dates back to William James, who coined the concept of …This is an old question, but let me give an answer. Your proof is quite fine (that's your question). On the other hand, both your statement and proof are really what is accepted to be the canon of Poincaré's recurrence theorem, …Poincaré is considered one of the great geniuses of all time and often described as the last universalist in mathematics. He made contributions to numerous ...Intuition and Logic in Mathematics. by. Henri Poincaré. I. It is impossible to study the works of the great mathematicians, or even those of the lesser, without noticing and distinguishing two opposite tendencies, or rather two entirely different kinds of minds. The one sort are above all preoccupied with logic; to read their works, one is ...Poincare’s return map also can be viewed within the phase of successive 2π cycles. Per the angular frequency or pulsation ω = 2π f = 2π/ t (Fig. 10.2 ), the frequency f is the number of cycles per second, whereas the period t is the time required to complete one cycle from phase 1 to 2 of 360° or 2π radians.Jules Henri Poincaré ( 29 tháng 4 năm 1854 – 17 tháng 6 năm 1912) là một nhà toán học, nhà vật lý lý thuyết, và là một triết gia người Pháp. Ông là một người đa tài và được coi là người có tầm hiểu biết sâu rộng các lĩnh vực khoa học như trong toán học . Là một nhà toán ... To describe a Lorentz invariant physical system using quantum mechanics it is necessary to determine the Poincare generators of the system in terms of the fundamental dynamical …Biography. Jules Henri Poincaré was born in 1854 in Nancy, France to mother Eugénie, who had interests in mathematics, and father Léon, who was a professor of medicine. During his childhood he suffered from diphtheria, which left him with a temporary paralysis of the larynx and legs, during which time he invented a sign language to communicate.In his research on the three-body problem, Poincaré became the first person to discover a chaotic deterministic system which laid the foundations of modern ...Reading about Poincare's Lemma makes me actually think and feel, that it's actually a very powerful/strong and lemma, similar to the Cauchy–Goursat (integral) theorem. I am so happy now! $\endgroup$ –Poincare's principle of relativity can be viewed as a transitional stage between traditional electrodynamics and the fully relativ istic theory formulated by Einstein. Einstein's radical and unique perspective helped in building an inherently relativistic theory. Unlike Poincare, Einstein did not try to account for this principle in terms of other physical phenomena like …Poincaré conjecture, in topology, conjecture—now proven to be a true theorem—that every simply connected, closed, three-dimensional manifold is …Henri Poincaré, (born April 29, 1854, Nancy, France—died July 17, 1912, Paris), French mathematician, theoretical astronomer, and philosopher of science. Born into a distinguished family of civil servants ( see Raymond Poincare), he excelled at mental calculation and possessed an unusually retentive memory. He wrote a doctoral dissertation ...Poincare Section. For example, the Poincaré section of a four-dimensional torus is a three-dimensional torus and the corresponding first return map can be expressed as a set of three coupled iterations involving three independent phases (θ, ϕ, ψ). From: Dissipative Structures and Weak Turbulence, 1990. Related terms: Energy Engineering ...Figure 1: Polarization states are mapped to the Poincaré sphere using azimuthal and ellipticity angles, from the S1 axis and the equator, respectively. The state's radius is largest when the light is completely polarized (no fraction is unpolarized). Click to Enlarge. Figure 2: States (blue circles) mapped to the equator (blue curve) of the ...In Poincare’s thought experiment, he had us imagine wrapping a slipknot around a sphere and pulling on the string only to find that it always closed into a single point. This makes the sphere simply connected. Molding the shapes to produce as simple a shape as possible is called a manifold and in this case, the sphere is a simply-connected 3 ...Jan 1, 2014 · The equivalence of geometries that results from the work of Riemann , Helmholtz , Klein and Lie , among others, as well as the use that Poincaré made of non-Euclidean geometry , became a subject of philosophical reflection for Poincaré, the results of which were published in 1887 (Poincaré 1887, 203–216), in 1891 (Poincare 1891, 769–774 ... Jules Henri Poincaré (April 29, 1854 – July 17, 1912), generally known as Henri Poincaré, was one of France 's greatest mathematicians and theoretical physicists, and a philosopher of science. He is often described as a polymath and as 'The Last Universalist' in mathematics, because he excelled in all fields of the discipline as it existed ... Poincaré duality. In mathematics, the Poincaré duality theorem, named after Henri Poincaré, is a basic result on the structure of the homology and cohomology groups of manifolds. It states that if M is an n -dimensional oriented closed manifold ( compact and without boundary), then the k th cohomology group of M is isomorphic to the (n − k ...This theorem was stated by H. Poincaré [1] in 1912 in connection with certain problems of celestial mechanics; it was proved by him in a series of particular cases but he did not, however, obtain a general proof of this theorem. The paper was sent by Poincaré to an Italian journal (see [1]) two weeks before his death, and the author expressed ...In November 2002, Perelman submitted a short paper to the arXiv, followed by two more papers. He demonstrated that, indeed, it was possible to repair all such ...TIME FOR A BETTER WORLD. Becoming the owner of a Poincaré watch means possessing a part of the know-how and heritage of Swiss Haute Horlogerie, centuries-old. It also means adhering to an aspirational Art of Living, which tends towards a …Introduction Jules Henri Poincaré was born on 29th April 1854 and died on 17th July 1912. The man is known as being a mathematician, theoretical physicist, ...The Probability and Statistics section of the Annales de l'Institut Henri Poincaré is an international journal which publishes high quality research papers.Institut Henri Poincaré. Coordinates: 48°50′41″N 2°20′38″E. The Henri Poincaré Institute (or IHP for Institut Henri Poincaré) is a mathematics research institute part of Sorbonne University, in association with the Centre national de la recherche scientifique (CNRS). It is located in the 5th arrondissement of Paris, on the Sainte ...Henri Poincaré was the first to introduce four-vectors, the Lorentz group and its invariants (including the space-time metric), “Poincaré stresses,” as well ...The constant C in the Poincare inequality may be different from condition to condition. Also note that the issue is not just the constant functions, because it is the same as saying that adding a constant value to a function can increase its integral while the integral of its derivative remains the same. So, simply excluding the constant ...In its original form, the Poincaré conjecture states that every simply connected closed three-manifold is homeomorphic to the three-sphere (in a topologist's sense) S^3, where a three-sphere is simply a generalization of the usual sphere to one dimension higher. More colloquially, the conjecture says that the three-sphere is the only type of bounded three-dimensional space possible that ... Henri Poincaré · Space and Geometry. · An Okapi Hypothesis: Non-Euclidean Geometry and the Professional Expert in American Mathematics. · Reflections on the&nb...Henri Poincare Quotes · To doubt everything, or, to believe everything, are two equally convenient solutions; both dispense with the necessity of reflection.A Poincaré plot, named after Henri Poincaré, is a type of recurrence plot used to quantify self-similarity in processes, usually periodic functions. It is also known as a return map. [1] [2] Poincaré plots can be used to distinguish chaos from randomness by embedding a data set in a higher-dimensional state space . Given a time series of the ...Introduction Jules Henri Poincaré was born on 29th April 1854 and died on 17th July 1912. The man is known as being a mathematician, theoretical physicist, ...Jules Henri Poincare, The French mathematician Jules Henri Poincaré (1854-1912) initiated modern combinatorial topology and made lasting contributions to mathematical anal… Johann Tobias Mayer, Euler, Leonhard Euler, Leonhard mathematics, mechanics, astronomy, physics. Life . Euler’s forebears settled in Basel at the end of the sixteenth ...Poincaré was a French philosopher of science and mathematics, a prominent scientist and mathematician, and a leader of the mathematical analysis of the solar system. He argued for conventionalism, against formalism and logicism, and against Cantor's set theory. He discovered a chaotic deterministic system and studied non-Euclidean geometry. Overall, the Poincare arc measurement technique is easy to understand and the measurement setup is relatively simple. However, it requires a polarimeter, which is a specialized instrument. In addition, the frequency tuning of the tunable laser has to be continuous to provide the accurate trace of the polarization rotation, as illustrated in Fig ... Sep 1, 1989 · View PDF. Download full issue. Search ScienceDirect. References (101) Cited by (18) Studies in History and Philosophy of Science Part A. Henri Poincaré's philosophy of science. Science and French National Strength. The Debate over the Bankruptcy of Science in 1895. In the last decade, the Poincaré conjecture has probably been the most famous statement among all the contributions of Poincaré to the mathematics community. There have been many papers and books that describe various attempts and the final works of Perelman leading to a positive solution to the conjecture, but the evolution of …
In 1887, Poincaré won the Oscar II, King of Sweden's mathematical competition for a resolution of the three-body problem concerning the free motion of multiple .... Brookshires pharmacy near me
The goal of Annales Henri Poincaré is to serve the international scientific community in theoretical and mathematical physics by collecting and publishing original research papers meeting the highest professional standards in the field.. Founded as a merger of 'Annales de l'Institut Henri Poincaré, physique théorique' and 'Helvetica Physical Acta'. Emphasizes …Poincaré disk with hyperbolic parallel lines Poincaré disk model of the truncated triheptagonal tiling.. In geometry, the Poincaré disk model, also called the conformal disk model, is a model of 2-dimensional hyperbolic geometry in which all points are inside the unit disk, and straight lines are either circular arcs contained within the disk that are …When doing hyperbolic geometry using the Poincaré disc model, all points are in the Poincaré disc, i.e. they are inside a circle. Since infinity is at the circle, let's call it the circle at infinity, C∞ C ∞ . A geodesic through two points is an arc through the points that is perpendicular to C∞ C ∞. If two points are on a diameter of ...Poincaré was a French philosopher of science and mathematics, a prominent scientist and mathematician, and a leader of the mathematical analysis of the solar system. He argued for conventionalism, against formalism and logicism, and against Cantor's set theory. He discovered a chaotic deterministic system and studied non-Euclidean geometry. The book describes the life of Henri Poincaré, his work style and in detail most of his unique achievements in mathematics and physics. Apart from biographical details, attention is given to Poincaré's contributions to automorphic functions, differential equations and dynamical systems, celestial mechanics, mathematical physics in particular the theory of the …From La Valeur de la Science (1904), 14, as translated by George Bruce Halsted (trans.), in The Value of Science (1907), 16. From the French, “Tout en parlant, M. Bertrand est toujours en action; tantôt il semble aux prises avec quelque ennemi extérieur, tantôt il dessine d'un geste de la main les figures qu’il étudie. Évidemment, il voit et il cherche à peindre, c’est pour cela qu ... 5 works of Henri Poincaré French mathematician, theoretical physicist, engineer, and a philosopher of science (1854-1912) This ebook presents a collection ...Poincare Inequality The Sobolev inequality Ilulinp/(n-p) ~ C(n, p) IIV'uli p (4.1) for I :S P < n cannot hold for an arbitrary smooth function u that is defined only, say, in a ball B. For instance, if u is a nonzero constant, the right-hand side is zero but the left-hand side is not. However, if we replace the integrand on the left-handPoincaré–Lindstedt method. In perturbation theory, the Poincaré–Lindstedt method or Lindstedt–Poincaré method is a technique for uniformly approximating periodic solutions to ordinary differential equations, when regular perturbation approaches fail. The method removes secular terms —terms growing without bound—arising in the ...Henri Poincare. Science is built up of facts, as a house is with stones. But a collection of facts is no more a science than a heap of stones is a house. Henri Poincare. Mathematics is the art of giving the same name to different things. Henri Poincare. It is through science that we prove, but through intuition that we discover. Henri Poincare ... 球上的 Poincare 不等式. 以及 其中， 是仅与维数有关的常数， 是球上的 积分平均 。. 上面的结论不必要求 有紧支集而仅需其在边界上为零即可。. 社区内容除另有注明外，均在 CC-BY-SA 许可协议下提供。. Poincare 不等式是调和分析里的一个著名不等式。. 假设 U ⊂ ... Henri Poincaré was a mathematician, theoretical physicist and a philosopher of science famous for discoveries in several fields and referred to as the last polymath, one who could make significant contributions in multiple areas of mathematics and the physical sciences. This survey will focus on Poincaré’s philosophy.Intuition and Logic in Mathematics. by. Henri Poincaré. I. It is impossible to study the works of the great mathematicians, or even those of the lesser, without noticing and distinguishing two opposite tendencies, or rather two entirely different kinds of minds. The one sort are above all preoccupied with logic; to read their works, one is ...Některá data mohou pocházet z datové položky. Raymond Poincaré [ rémon puenkaré] ( 20. srpen 1860, Bar-le-Duc – 15. října 1934, Paříž) byl francouzský konzervativní politik, prezident Francouzské republiky v letech 1913 až 1920 a předtím i poté celkově třikrát premiér. Byl bratrancem matematika Henriho Poincaré .Yes, Poincaré was a polymath with diverse interests. Apart from mathematics, he also made significant contributions to theoretical physics, philosophy, and the philosophy of science. He was deeply interested in understanding the nature of creativity and the role of intuition in scientific discovery. 3.In its original form, the Poincaré conjecture states that every simply connected closed three-manifold is homeomorphic to the three-sphere (in a ...The closest thing to Kant’s intuitive space, for Poincare, is not Euclidean space but rather the more minimal intuitive idea of continuity, which is one of the features presupposed in Euclidean space. Rather than intuitive time, Poincaré emphasizes the intuitive understanding of indefinite iteration for number theory. Though he views time as a “form …French. Poincaré, Henri (1854-1912) French mathematician who did important work in many different branches of mathematics. However, he did not stay in any one field long enough to round out his work. He had an amazing memory and could state the page and line of any item in a text he had read. He retained this memory all his life. 球上的 Poincare 不等式. 以及 其中， 是仅与维数有关的常数， 是球上的 积分平均 。. 上面的结论不必要求 有紧支集而仅需其在边界上为零即可。. 社区内容除另有注明外，均在 CC-BY-SA 许可协议下提供。. Poincare 不等式是调和分析里的一个著名不等式。. 假设 U ⊂ ... Poincare Jules Henri Poincare is an infamous mathematician, engineer and scientist to which much of our histories advances are credited. Born on April 29, 1854 he came from a vast and influential family. His father was an eclectic professor of medicine at the University of Nancy where he contributed a lot to the field; his youngest sister Aline married a …Dec 11, 2023 · "Henri Poincare" by Mauro Murzi at the Internet Encyclopedia of Philosophy; Henri Poincaré, Critic of Crisis: Reflections on His Universe of Discourse (1954) by Tobias Dantzig @Project Gutenberg "Henri Poincaré, His Conjecture, Copacabana and Higher Dimensions" by Graham P. Collins in Scientific American (9 June 2004) .