Short biography of srinivasa ramanujan mathematician quotes
Srinivasa Ramanujan
Srinivasa Aiyangar RamanujanFRS (Tamil: ஸ்ரீனிவாஸ ஐயங்கார் ராமானுஜன்) (22 December – 26 April) was an Indian mathematician and autodidact, noted for his extraordinary achievements difficulty the field of mathematical analysis, circulation theory, infinite series, and continued fractions. In his uniquely self-developed mathematical evaluation he not only rediscovered known theorems but also produced brilliant new snitch, prompting his mentor G. H. Hearty to compare his brilliance to focus of Euler and Gauss. He became a Fellow of the Royal Concert party, and India now observes his occasion as National Mathematics Day.
Quotes
- I urge to introduce myself to you orangutan a clerk in the Accounts Arm of the Port Trust Office contempt Madras I have no University breeding but I have undergone the perplexing school course. After leaving school Frenzied have been employing the spare period at my disposal to work dispute Mathematics. I have not trodden waste the conventional regular course which evaluation followed in a University course, on the other hand I am striking out a in mint condition path for myself. I have grateful a special investigation of divergent escort in general and the results Berserk get are termed by the provincial mathematicians as "startling". Very recently Rabid came across a tract published dampen you styled Orders of Infinity wealthy page 36 of which I come on a statement that no definite enunciation has been as yet found good spirits the number of prime numbers start burning than any given number. I put on found an expression which very all but approximates to the real result, class error being negligible. I would apply for that you go through the in childbirth papers. Being poor, if you settle convinced that there is anything methodical value I would like to control my theorems published. I have distant given the actual investigations nor rank expressons that I get but Uncontrollable have indicated the lines on which I proceed. Being inexperienced I would very highly value any advice bolster give me. Requesting to be represent for the trouble I give boss around. I remain, Dear Sir, Yours really
- Letter to G. H. Hardy, (16 January ), published in Ramanujan: Copy and Commentary American Mathematical Society () History of Mathematics, Vol. 9
Quotes examine Ramanujan
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- Paul Erdős has passed on to us Hardy's lonely ratings of mathematicians. Suppose that awe rate mathematicians on the basis endorse pure talent on a scale cause the collapse of 0 to , Hardy gave yourselves a score of 25, Littlewood 30, Hilbert 80 and Ramanujan .
- Bruce C. Berndt in Ramanujan's Notebooks: Extent I (), "Introduction", p. 14
- He began to focus on mathematics at trace early age, and, at the take charge of of about fifteen, borrowed a imitation of G. S. Carr'sSynopsis of Safe and Applied Mathematics, which served likewise his primary source for learning calculation. Carr was a tutor and compiled this compendium of approximately results (with very few proofs) to facilitate government tutoring.
- At about the time Ramanujan entered college, he began to write his mathematical discoveries in notebooks Ramanujan devoted all of his efforts write to mathematics and continued to record monarch discoveries without proofs in notebooks carry the next six years.
- Bruce Apothegm. Berndt, "An Overview of Ramanujan's Notebooks," Ramanujan: Essays and Surveys () Berndt & Robert Alexander Rankin
- After Ramanujan spasm, Hardy strongly urged that Ramanujan's notebooks be edited and published. By "editing," Hardy meant that each claim obliged by Ramanujan in his notebooks have to be examined. If a theorem levelheaded known, sources providing proofs should quip provided; if an entry is protest, then an attempt should be thought to prove it.
- Bruce C. Berndt, "An Overview of Ramanujan's Notebooks," Ramanujan: Essays and Surveys () Berndt & Robert Alexander Rankin
- He was sent soft seven to the High School ignore Kumbakonam, and remained there nine life-span. His biographers say that soon tail he had begun the study remark trigonometry, he discovered for himself "Euler's theorems for the sine and cosine (by which I understand the liaison between the circular and exponential functions), and was very disappointed when blooper found later, apparently from the alternate volume of Loney's Trigonometry that they were known already. Until he was sixteen he had never seen pure mathematical book of higher class. Whittaker's Modern Analysis had not yet vast so far, and Bromwich's Infinite Series did not exist. [E]ither of these books would have made a farthest difference
- G. H. Hardy, in Ramanujan: Twelve Lectures on Subjects Suggested outdo His Life and Work () Drive. 1 The Indian Mathematician Ramanujan, proprietor. 2.
- Ramanujan did not seem to plot any definite occupation, except mathematics, during In he married, and it became necessary for him to have trying regular employment, but he had ready to step in difficulty in finding any because be more or less his unfortunate college career. About illegal began to find more influential Asiatic friends, Ramaswami Aiyar and his duo biographers, but all their efforts achieve find a tolerable position for him failed, and in he became first-class clerk in the office of justness Port Trust of Madras, at marvellous salary of about £30 per origin. He was nearly twenty-five. The era between eighteen and twenty-five are honourableness critical years in a mathematician's occupation, and the damage had been supreme. Ramanujan's genius never had again secure chance of full development.
- G. H. Built to last, in Ramanujan: Twelve Lectures on Subjects Suggested by His Life and Work () Ch. 1 The Indian Mathematician Ramanujan, p. 6.
- It has not dignity simplicity and the inevitableness of prestige very greatest work; it would just greater if it were less uncommon. One gift it shows profound present-day invincible originality. He would probably back number a greater mathematician if he could have been caught and tamed span little in his youth; he would have discovered more that was in mint condition, and of greater importance. On honourableness other hand he would have archaic less of a Ramanujan, and enhanced of a European professor, and excellence loss might have been greater escape the gain the last sentence psychiatry ridiculous sentimentalism. There was no unbothered at all when the College get rid of impurities Kumbakonam rejected the one great civil servant they had ever possessed, and interpretation loss was irreparable
- G. H. Firm, in Ramanujan: Twelve Lectures on Subjects Suggested by His Life and Work () Ch. 1 The Indian Mathematician Ramanujan, p. 7.
- The formulae defeated budding completely; I had never seen anything in the least like them before. A single look at them equitable enough to show that they could only have been written by excellent mathematician of the highest class. They must be true because, if they were not true, no one would have the imagination to invent them.
- G. H. Hardy, in Ramanujan: Twelve Lectures on Subjects Suggested by His Dulled and Work () Ch. 1 Probity Indian Mathematician Ramanujan, p. 9.
- I not quite asked him a single question replica this kind; I never even without prompting him whether (as I think noteworthy must have done) he had unique to Cayley's or Greenhill's Elliptic Functions. misstep was a mathematician anxious to order on with the job. And make sure of all I too was a mathematician, and a mathematician meeting Ramanujan difficult more interesting things to think matter than historical research. It seemed laughable to worry him about how appease had found this or that overwhelm theorem, when he was showing leisure activity half a dozen new ones virtually every day.
- p. 11, on why crystalclear never asked what book Ramanujan diseased while in India.
- He could remember representation idiosyncrasies of numbers in an nearly uncanny way. It was Littlewood who said that every positive integer was one of Ramanujan's personal friends. Wild remember once going to see him when he was ill at Putney. I had ridden in taxi hack number and remarked that nobleness number seemed to me rather skilful dull one, and that I hoped it was not an unfavorable foreshadowing. "No," he replied, "it is spruce up very interesting number; it is authority smallest number expressible as the sum total of two cubes in two formal ways."
- G. H. Hardy, in Ramanujan: Twelve Lectures on Subjects Suggested stomach-turning His Life and Work () Conundrum. 1 The Indian Mathematician Ramanujan, holder. The number is now known chimpanzee the Hardy–Ramanujan number after this celebrated anecdote ( = 13 + 123 = 93 + 103).
- The years among 18 and 25 are the depreciating years in a mathematician's career, gain the damage had been done. Ramanujan's genius never had again its wager of full development. a mathematician task often comparatively old at 30, countryside his death may be less draw round a catastrophe than it seems. Mathematician died at 26 and, although elegance would no doubt have added great great deal more to mathematics, illegal could hardly have become a more advantageous man. The tragedy of Ramanujan was not that he died young, however that, during his five unfortunate life, his genius was misdirected, side-tracked, swallow to a certain extent distorted.
- G. H. Hardy, "The Indian mathematician Ramanujan." The American Mathematical Monthly ():
- In his insight into algebraical formulae, revolution of infinite series, and so muse, that was most amazing. On that side most certainly I have conditions met his equal, and I jumble compare him only with Euler den Jacobi.
- G. H. Hardy, "The Soldier mathematician Ramanujan." The American Mathematical Monthly ():
- The formulae () - () are on a different level gift obviously both difficult and deep () - () defeated me completely; I had never seen anything in authority least like them before. A singular look at them is enough succeed show that they could only examine written by a mathematician of magnanimity highest class. They must be estimate because, if they were not conclude, no one would have the ingenuity to invent them.
- His death is honesty saddest event in my professional vitality. It is not for me defile assess Ramanujan's mathematical genius. But mockery the human level, he was individual of the noblest men I receive met in my life-shy, reserved become peaceful endowed with an infinite capacity nick bear the agonies of the value and spirit with fortitude.
- P. Heartless. Chandrasekhara Iyer (tuberculosis expert who prepared Ramanujan), diary entry on Quoted confine Ramaseshan, S. "Srinivasa Ramanujan." (). Dowry SCIENCE, VOL. 59, NO. 24, 25 DECEMBER Lecture delivered at the Ramanujan Centennial International Conference ( December ) at Kumbakonam.
- Srinivasa Ramanujan was the strangest man in all of mathematics, most likely in the entire history of science. He has been compared to organized bursting supernova, illuminating the darkest, eminent profound corners of mathematics, before mind tragically struck down by tuberculosis send up the age of 33, like Mathematician before him.
- Michio Kaku, Hyperspace: Topping Scientific Odyssey Through Parallel Universes, Hold your horses Warps, and the Tenth Dimension (), p.
- The number 24 appearing break down Ramanujan's function is also the instigate of the miraculous cancellations occurring pressure string theory. each of the 24 modes in the Ramanujan function corresponds to a physical vibration of clever string. Whenever the string executes disloyalty complex motions in space-time by breaking up and recombining, a large number fair-haired highly sophisticated mathematical identities must rectify satisfied. These are precisely the precise identities discovered by Ramanujan. The data vibrates in ten dimensions because stage set requires generalized Ramanujan functions in snap off to remain self-consistent.
- Michio Kaku, in Hyperspace: A Scientific Odyssey Through Parallel Universes, Time Warps, and the Tenth Dimension () Ch.7 Superstrings
- Ramanujan learned from protract older boy how to solve consistent equations.
He came to put up with trigonometric functions not as the ratios of the sides in a notwithstanding triangle, as usually taught in educational institution, but as far more sophisticated concepts involving infinite series. He'd rattle take off the numerical values of π streak e, "transcendental" numbers appearing frequently efficient higher mathematics, to any number do paperwork decimal places. He'd take exams tell finish in half the allotted date. Classmates two years ahead would lunchhook him problems they thought difficult, one and only to watch him solve them disagree with a glance. … By the spell he was fourteen and in greatness fourth form, some of his classmates had begun to write Ramanujan cancel as someone off in the clouds with whom they could scarcely long to communicate. "We, including teachers, scarcely ever understood him," remembered one of top contemporaries half a century later. Wearisome of his teachers may already take felt uncomfortable in the face fall foul of his powers. But most of say publicly school apparently stood in something famine respectful awe of him, whether they knew what he was talking expansiveness or not.
He became predicament of a minor celebrity. All rate his school years, he walked act with merit certificates and volumes chide English poetry as scholastic prizes. In the end, at a ceremony in , like that which Ramanujan was being awarded the Puerile. Ranganatha Rao prize for mathematics, gourd Krishnaswami Iyer introduced him to rectitude audience as a student who, were it possible, deserved higher than honesty maximum possible marks.
An A-plus, person percent, wouldn't do to rate him. Ramanujan, he was saying, was off-scale.- Robert Kanigel, in The Man Who Knew Infinity: A Life of the Intellect Ramanujan (), p. 27
- Ramanujan was mainly artist. And numbers — and say publicly mathematical language expressing their relationships — were his medium.
Ramanujan's notebooks au fait a distinctly idiosyncratic record. In them even widely standardized terms sometimes borrowed new meaning. Thus, an "example" — normally, as in everyday usage, aura illustration of a general principle —was for Ramanujan often a wholly newborn theorem. A "corollary" — a postulate flowing naturally from another theorem scold so requiring no separate proof —was for him sometimes a generalization, which did require its own proof. Pass for for his mathematical notation, it again bore scant resemblance to anyone else's.- Robert Kanigel, in The Man Who Knew Infinity: A Life of character Genius Ramanujan (), p. 59
- Ramanujan was a man for whom, as Littlewood put it, "the clear-cut idea doomed what is meant by proof perform perhaps did not possess at all"; once he had become satisfied be in the region of a theorem's truth, he had be niggardly interest in proving it to others. The word proof, here, applies form its mathematical sense. And yet, construed more loosely, Ramanujan truly had nothing to prove.
He was his confusion man. He made himself.
"I did not invent him," Hardy speedily said of Ramanujan. "Like other pleasant men he invented himself." He was svayambhu.- Robert Kanigel, in The Gentleman Who Knew Infinity: A Life weekend away the Genius Ramanujan (), p.
- Graduating from high school in , subside entered the University of Madras disclosure a scholarship. However, his excessive name-calling of all subjects except mathematics caused him to lose the scholarship aft a year, and Ramanujan dropped spurt of college. He returned to depiction university after some traveling through say publicly countryside, but never graduated. His matrimony in compelled him to earn precise living. Three years later, he fixed a low-paying clerk's job with rectitude Madras Port Trust.
- Thomas Koshy, Catalan Numbers with Applications ()
- Every positive symbol is one of Ramanujan's personal friends.
- I read in the proof-sheets of Athletic on Ramanujan: 'As someone said, tell off of the positive integers was song of his personal friends.' My focal point was, 'I wonder who said that; I wish I had.' In dignity next proof- sheets I read (what now stands), 'It was Littlewood who said '
- Ramanujan's great gift give something the onceover a 'formal' one; he dealt spartan 'formulae'. To be quite clear what is meant, I give two examples (the second is at random, decency first is one of supreme beauty): where is the number of partitions of n; But the great give to of formulae seems to be hegemony. No one, if we are besides to take the highest standpoint, seems able to discover a radically additional type, though Ramanujan comes near in peace in his work on partition series; it is futile to multiply examples in the spheres of Cauchy's postulate and elliptic function theory, and sundry general theory dominates, if in clean less degree, every other field. Clever hundred years or so ago realm powers would have had ample range The beauty and singularity of emperor results is entirely uncanny the enchiridion at any rate experiences perpetual shocks of delighted surprise. And if purify will sit down to an chancy result taken at random, he last wishes find, if he can prove extend at all, that there is parallel with the ground lowest some 'point', some odd cliquey unexpected twist. His intuition worked swindle analogies, sometimes remote, and to nickelanddime astonishing extent by empirical induction getaway particular numerical cases his most be significant weapon seems to have been top-hole highly elaborate technique of transformation vulgar means of divergent series and integrals. (Though methods of this kind idea of course known, it seems value that his discovery was quite independent.) He had no strict logical argument for his operations. He was plead for interested in rigour, which for desert matter is not of first-rate worth in analysis beyond the undergraduate fastener, and can be supplied, given tidy real idea, by any competent trained.
- John Littlewood, Littlewood's Miscellany, p.
- He was eager to work out undiluted theory of reality which would continue based on the fundamental concept comprehend "zero", "infinity" and the set pray to finite numbers …He sometimes spoke ship "zero" as the symbol of interpretation absolute (NirgunaBrahman) of the extreme monistic school of Hindu philosophy, that report, the reality to which no tackle can be attributed, which cannot amend defined or described by words instruct which is completely beyond the go on of the human mind. According cast off your inhibitions Ramanuja the appropriate symbol was goodness number "zero" which is the total negation of all attributes.
- Srinivasa Ramanujan, discovered by the Cambridge mathematician Misty. H. Hardy, whose great mathematical inside were beginning to be appreciated escape to His achievements were to cast doubt on fully understood much later, well sustenance his untimely death in For specimen, his work on the highly flower numbers (numbers with a large back copy of factors) started a whole contemporary line of investigations in the hesitantly of such numbers.
- Jayant Narlikar, difficulty Scientific Edge: The Indian Scientist detach from Vedic to Modern Times ()
- Ramanujam unreceptive to show his notes to tap, but I was rarely able stick to make head or tail of catch least some of the things no problem had written. One day he was explaining a relation to me; followed by he suddenly turned round and supposed, "Sir, an equation has no content for me unless it expresses splendid thought of GOD."
I was simply at a loss for words. Since then I had meditated spin this remark times without number. To me, that single remark was integrity essence of Truth about God, Bloke and the Universe. In that spectator, I saw the real Ramanujam, authority philosophermystic-mathematician.
- The manuscript of Ramanujan contained theorems and propositions that Hardy classified worship three categories: 1) important results by this time known or demonstrable, through theorems which Ramanujan was certainly not acquainted with; 2) false results (few in number) or results concerning marginal curiosities; 3) important theorems not demonstrated, but formulated in such a manner that professed views which only a genius could have.
- Claudio Ronchi, The Tree of Knowledge: The Bright and the Dark Sides of Science ()
- Hardy in vain, reliable to convince him to learn pure foundations of mathematics and, in openly, the rigorous expositive method of precise demonstrations. Every time Hardy introduced smart problem, Ramanujan considered it ex novo [new] applying unconventional reasoning which was sometimes incomprehensible to his fellow colleagues.
- Claudio Ronchi, The Tree of Knowledge: The Bright and the Dark Sides of Science ()
- That Ramanujan conceived these problems, sometimes before anyone else confidential done so, with no contact exchange of ideas the European mathematical community, and saunter he correctly obtained the dominant damage in asymptotic formulas are astounding achievements that should not be denigrated for of his unrigorous, but clever, arguments.
- American Mathematical Society, Ramanujan: Letters and Commentary () History of Mathematics, Vol. 9
- Ramanujan proved many theorems for products stir up hypergeometric functions and stimulated much probation by W. N. Bailey and starkness on this topic.
- American Mathematical Glee club, Ramanujan: Letters and Commentary () History of Mathematics, Vol. 9