RM Calendar 2013
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Rudi Mathematici x4–8220 x3+25336190 x2–34705209900 x+17825663367369=0 www.rudimathematici.com 1 T (1803) Guglielmo Libri Carucci dalla Sommaja RM132 (1878) Agner Krarup Erlang Rudi Mathematici (1894) Satyendranath Bose (1912) Boris Gnedenko 2 W (1822) Rudolf Julius Emmanuel Clausius (1905) Lev Genrichovich Shnirelman (1938) Anatoly Samoilenko 3 T (1917) Yuri Alexeievich Mitropolsky January 4 F (1643) Isaac Newton RM071 5 S (1723) Nicole-Reine Etable de Labrière Lepaute (1838) Marie Ennemond Camille Jordan Putnam 1998-A1 (1871) Federigo Enriques RM084 (1871) Gino Fano A right circular cone has base of radius 1 and height 3. 6 S (1807) Jozeph Mitza Petzval A cube is inscribed in the cone so that one face of the (1841) Rudolf Sturm cube is contained in the base of the cone. What is the 2 7 M (1871) Felix Edouard Justin Emile Borel side-length of the cube? (1907) Raymond Edward Alan Christopher Paley 8 T (1888) Richard Courant RM156 Scientists and Light Bulbs (1924) Paul Moritz Cohn How many general relativists does it take to change a (1942) Stephen William Hawking light bulb? 9 W (1864) Vladimir Adreievich Steklov Two. One holds the bulb, while the other rotates the (1915) Mollie Orshansky universe. 10 T (1875) Issai Schur (1905) Ruth Moufang Mathematical Nursery Rhymes (Graham) 11 F (1545) Guidobaldo del Monte RM120 Fiddle de dum, fiddle de dee (1707) Vincenzo Riccati A ring round the Moon is ̟ times D (1734) Achille Pierre Dionis du Sejour But if a hole you want repaired 12 S (1906) Kurt August Hirsch You use the formula ̟r 2 (1915) Herbert Ellis Robbins RM156 13 S (1864) Wilhelm Karl Werner Otto Fritz Franz Wien (1876) Luther Pfahler Eisenhart The future science of government should be called “la (1876) Erhard Schmidt cybernétique” (1843 ). (1902) Karl Menger André Marie Ampère 3 14 M (1902) Alfred Tarski RM096 15 T (1704) Johann Castillon Father of Chemistry and Uncle of the Earl of Cork [On (1717) Mattew Stewart his tombstone] (1850) Sofia Vasilievna Kovalevskaja RM144 Robert Boyle 16 W (1801) Thomas Klausen 17 T (1647) Catherina Elisabetha Koopman Hevelius (1847) Nikolay Egorovich Zukowsky The different branches of Arithmetic – Ambition, (1858) Gabriel Koenigs Distraction, Uglification, and Derision. 18 F (1856) Luigi Bianchi Charles Lutwidge Dodgson (1880) Paul Ehrenfest 19 S (1813) Rudolf Friedrich Alfred Clebsch The way I do magic is very similar to mathematics. (1879) Guido Fubini Inventing a magic trick and inventing a theorem are (1908) Aleksandr Gennadievich Kurosh very, very similar activities in the following sense. In 20 S (1775) André Marie Ampère both subjects you have a problem you’re trying to solve (1895) Gabor Szegő with constraints. One difference between magic and (1904) Renato Caccioppoli RM072 mathematics is the competition. The competition in 4 21 M (1846) Pieter Hendrik Schoute mathematics is a lot stiffer than in magic. (1915) Yuri Vladimirovich Linnik Persi Warren Diaconis 22 T (1592) Pierre Gassendi (1886) John William Navin Sullivan (1908) Lev Davidovich Landau RM063 How thoroughly it is ingrained in mathematical science 23 W (1840) Ernst Abbe that every real advance goes hand in hand with the (1862) David Hilbert RM060 invention of sharper tools and simpler methods which, at the same time, assist in understanding earlier 24 T (1891) Abram Samoilovitch Besicovitch theories and in casting aside some more complicated (1914) Vladimir Petrovich Potapov developments. 25 F (1627) Robert Boyle David Hilbert (1736) Joseph-Louis Lagrange RM048 (1843) Karl Hermann Amandus Schwarz 26 S (1799) Benoît Paul Émile Clapeyron Mathematics, as much as music or any other art, is one (1862) Eliakim Hastings Moore of the means by which we rise to a complete self- 27 S (1832) Charles Lutwidge Dodgson RM108 consciousness. The significance of mathematics resides precisely in the fact that it is an art; by informing us of 5 28 M (1701) Charles Marie de La Condamine the nature of our own minds it informs us of much that (1888) Louis Joel Mordell depends on our minds. (1892) Carlo Emilio Bonferroni John William Navin Sullivan 29 T (1817) William Ferrel (1888) Sidney Chapman 30 W (1619) Michelangelo Ricci 31 T (1715) Giovanni Francesco Fagnano dei Toschi (1841) Samuel Loyd (1896) Sofia Alexandrovna Janowskaja (1945) Persi Warren Diaconis www.rudimathematici.com 1 F (1900) John Charles Burkill 2 S (1522) Lodovico Ferrari Rudi Mathematici (1893) Cornelius Lanczos (1897) Gertrude Blanch 3 S (1893) Gaston Maurice Julia RM073 6 4 M (1905) Eric Cristopher Zeeman 5 T (1757) Jean Marie Constant Duhamel 6 W (1465) Scipione del Ferro RM064 February (1612) Antoine Arnauld (1695) Nicolaus (II) Bernoulli RM093 7 T (1877) Godfried Harold Hardy RM049 Putnam 1997-A2 (1883) Eric Temple Bell Let s be any arc of the unit circle lying entirely in the 8 F (1700) Daniel Bernoulli RM093 first quadrant. Let A be the area of the region lying (1875) Francis Ysidro Edgeworth below s and above the x-axis and let B be the area of (1928) Ennio de Giorgi RM133 the region lying to the right of the y-axis and to the left 9 S (1775) Farkas Wolfgang Bolyai of s. Prove that A+B depends only on the arc length, (1907) Harold Scott Macdonald Coxeter RM097 and not on the position, of s. 10 S (1747) Aida Yasuaki RM121 (1932) Vivienne Malone-Mayes 7 11 M (1657) Bernard Le Bovier de Fontenelle Scientists and Light Bulbs (1800) William Henry Fox Talbot How many quantum physicists does it take to change a (1839) Josiah Willard Gibbs light bulb? (1915) Richard Wesley Hamming One. Two to do it, and one to renormalise the wave 12 T (1914) Hanna Caemmerer Neumann function. (1921) Kathleen Rita Mcnulty Mauchly Antonelli 13 W (1805) Johann Peter Gustav Lejeune Dirichlet RM145 Mathematical Nursery Rhymes (Graham) 14 T (1468) Johann Werner Rock-a-bye baby in the tree top (1849) Hermann Hankel As a compound pendulum, you are a flop. (1877) Edmund Georg Hermann Landau RM063 Your center of percussion is safe and low, (1896) Edward Artur Milne As one may see when wind doth blow. 15 F (1564) Galileo Galilei RM085 Your frequency of vibration is quite small, (1850) Sophie Willock Bryant Frankly, I don’t think you’ll fall at all. (1861) Alfred North Whitehead (1946) Douglas Hofstadter Wherever groups disclosed themselves, or could be 16 S (1822) Francis Galton introduced, simplicity crystallized out of comparative (1853) Gregorio Ricci-Curbastro chaos. (1903) Beniamino Segre Eric Temple Bell 17 S (1890) Sir Ronald Aylmer Fisher (1891) Adolf Abraham Halevi Fraenkel (1905) Rózsa Péter Abstractness, sometimes hurled as a reproach at 8 18 M (1404) Leon Battista Alberti RM157 mathematics, is its chief glory and its surest title to (1919) Clifford Truesdell practical usefulness. It is also the source of such beauty 19 T (1473) Nicolaus Copernicus as may spring from mathematics. 20 W (1844) Ludwig Boltzmann RM061 Eric Temple Bell 21 T (1591) Girard Desargues (1915) Evgeny Michailovich Lifshitz I think that the origin of creativity in all fields is that 22 F (1857) Heinrich Rudolf Hertz which I call the capacity or disposition to dream: to (1903) Frank Plumpton Ramsey imagine different worlds, different things, and to seek to 23 S (1583) Jean-Baptiste Morin combine them in one’s imagination in various ways. (1922) Anneli Cahn Lax Ennio De Giorgi (1951) Shigefumi Mori 24 S (1871) Felix Bernstein 9 25 M (1827) Henry Watson To call in the statistician after the experiment is done 26 T (1786) Dominique Francois Jean Arago may be no more than asking him to perform a post- mortem examination: he may be able to say what the 27 W (1881) Luitzen Egbertus Jan Brouwer experiment died of. 28 T (1735) Alexandre Theophile Vandermonde Sir Ronald Aylmer Fisher 29 (1860) Herman Hollerith RM109 The mathematician’s patterns, like the painter’s or the poet’s must be beautiful; the ideas, like the colours or the words must fit together in a harmonious way. Beauty is the first test: there is no permanent place in this world for ugly mathematics. Godfried Harold Hardy www.rudimathematici.com 1 F (1611) John Pell (1879) Robert Daniel Carmichael Rudi Mathematici 2 S (1836) Julius Weingarten 3 S (1838) George William Hill (1845) Georg Cantor RM062 (1916) Paul Richard Halmos 10 4 M (1822) Jules Antoine Lissajous 5 T (1512) Gerardus Mercator March (1759) Benjamin Gompertz (1817) Angelo Genocchi (1885) Pauline Sperry Putnam, 1998, A-3 6 W (1866) Ettore Bortolotti Let f be a real function on the real line with continuous 7 T (1792) William Herschel RM146 third derivative. Prove that there exists a point a such (1824) Delfino Codazzi that f(a)·f’(a)·f’’(a)·f’’’(a) ≥0. (1922) Olga Alexandrovna Ladyzhenskaya 8 F (1851) George Chrystal Scientists and Light Bulbs 9 S (1818) Ferdinand Joachimsthal How many quantum mechanicians does it take to (1900) Howard Hathaway Aiken change a light bulb? 10 S (1864) William Fogg Osgood They can’t. If they know where the socket is, they (1872) Mary Ann Elizabeth Stephansen cannot locate the new bulb. 11 11 M (1811) Urbain Jean Joseph Le Verrier (1853) Salvatore Pincherle (1870) Louis Bachelier RM158 Mathematical Nursery Rhymes (Graham) 12 T (1685) George Berkeley Ride a fast plane (1824) Gustav Robert Kirchhoff And don’t spare the cash, (1859) Ernesto Cesaro To see the math wizard do sums in a flash. 13 W (1861) Jules Joseph Drach Roots on his fingers (1957) Rudy D’Alembert And power on his toes – 14 T (1864) Jozef Kurschak He carry log tables (1879) Albert Einstein RM074 Whenever he goes. (1904) Lyudmila Vsevolodovna Keldysh 15 F (1860) Walter Frank Raphael Weldon Numbers written on restaurant bills within the confines (1868) Grace Chisolm Young of restaurants do not follow the same mathematical 16 S (1750) Caroline Herschel RM146 laws as numbers written on any other pieces of paper in (1789) Georg Simon Ohm any other parts of the Universe.