{"id":176029,"date":"2017-04-09T00:07:25","date_gmt":"2017-04-08T18:37:25","guid":{"rendered":"https:\/\/www.colombotelegraph.com\/?p=176029"},"modified":"2017-04-17T01:50:36","modified_gmt":"2017-04-16T20:20:36","slug":"the-effectiveness-of-mathematics-in-the-sciences-the-science-mathematics-nexus","status":"publish","type":"post","link":"https:\/\/www.colombotelegraph.com\/index.php\/the-effectiveness-of-mathematics-in-the-sciences-the-science-mathematics-nexus\/","title":{"rendered":"The Effectiveness Of Mathematics In The Sciences: The Science-Mathematics Nexus"},"content":{"rendered":"

By Kumar David<\/a> –<\/strong><\/p>\n

\"\"<\/a>

Prof. Kumar David<\/p><\/div>\n

The fallout from what I thought would be a simple piece (\u201cRamanujan, Hardy and the God debate<\/em><\/a>\u201d) which appeared on 26 March has been nuclear. Chief offender, Gamini Kulatunga, has peppered me with e-mails while Rajan Philips and a few others have been less cruel firing only a few volleys. There have been contributions in web Comments (Siri Gamage, Lester, Dr M. Gonlaskorale, AVB, and Edwin Rodrigo to name a few). I declare upfront that I cannot do justice to all for two reasons. First, I am not conversant with spiritually oriented topics such as the \u201cStages of Understanding in Buddhism\u201d or \u201calternative non-Western knowledge systems\u201d (sorry Edwin and Lester) and am a layman on the brain\u2019s \u201c100 billion axons and 100 trillion connections\u201d and \u201crandomness of billions of neurons and trillions of synapses arranged as tiny networks\u201d (sorry Dr MG, Lester and AVB). These are significant topics for readers to follow up elsewhere.<\/p>\n

Secondly, within the limits of my column, I have to be restrained and not bite off more than I can chew. It is also not possible within reasonable length to explore minds like that of Alan Turing, inventor of the computer and founder of systematic computing (see Alan Turning: The Enigm<\/em>a, by Andrew Hodges, Princeton University Press) or discuss 21-st Century artificial intelligence (AI).<\/p>\n

I have now declared the limits of this essay; it will only explore the questions: Does maths in itself discovers new truths about the physical world? Can it create scientific knowledge? Does its use in a scientific thesis (Calculus and Newton\u2019s Laws, Maxwell\u2019s equations and Electromagnetism, Riemannian geometry and General Relativity) create knowledge not already contained in the scientific theory itself? I say NO it cannot, I am on the side of the naysayers. But I am in bad company.<\/p>\n

Einstein is reported to have remarked: \u201cHow is it that mathematics, being after all a product of human thought which is independent of experience, is so admirably appropriate to the objects of reality?\u201d<\/p>\n

\"\"<\/a>

James Clerk Maxwell (1831-1879)<\/p><\/div>\n

Eugene Wigner a Nobel Prize winner wrote a 1960 article with the title: \u2018The Unreasonable Effectiveness of Mathematics in the Natural Sciences\u2019; so you get his drift.<\/p>\n

Mario Livio described as a renowned astrophysicist and author of 400 scientific papers asks: \u201cIs maths an invention of the brain? Or does it exist in an abstract world, humans merely discovering its truths?\u201d<\/p>\n

As opposed to this there was a certain contrarian chap who intoned: \u201cThe question whether objective truth can be attributed to human thinking is not a question of theory; it is a practical question. Man must prove the truth \u2013 the reality and power, the this-sidedness – of thinking in practice. The dispute over the reality and non-reality of thinking that is isolated from practice is a purely scholastic question.\u201d<\/p>\n

I declare I am on the side of this contrarian chap and would to go further and replace \u2018purely scholastic\u2019 with \u2018utterly meaningless\u2019. Regarding the Einstein quote above, unless it is a fabrication it is wrong or at least incomplete. A genius can sometimes be wrong; Einstein, Newton, Plato and Gautama Siddhartha are not divine; their contributions are profound, but since human they are fallible. Einstein goofed at the heart of general relativity, inserting a fudge factor politely called the cosmological constant lambda (\u03bb), which later he shamefacedly admitted was \u201cmy greatest blunder\u201d. David Hilbert, the leading mathematician of the day, derived the general relativity equations at the same time but separately from Einstein but did not make this blunder.<\/p>\n

The use of maths, statistics, computing and AI to implement the marvels of modern technology belongs to a separate genre different from the scope of this essay.<\/p>\n

Maths in Science<\/strong><\/p>\n

Let\u2019s get to the heart of the matter: \u201cDo the powerful effects of mathematics in science mean that the maths itself creates new knowledge absent in the scientific thesis to which it is applied?\u201d Mario Levi (ML) asks and is agnostic. I quote from his Math: Discovered, Invented or Both<\/em> in Nova, 13 April 2015.<\/p>\n

\u201cHow is it possible that all the phenomena observed in classical electricity and magnetism can be explained by just four mathematical equations? James Clerk Maxwell showed in 1864 that the equations predicted that varying electric or magnetic fields generate certain waves – the familiar electromagnetic waves (light, radio, x-rays) – eventually detected by German physicist Heinrich Hertz in the 1880s\u201d.\"\"<\/a><\/p>\n

Left to right: David Hilbert, Alan Turning, Kurt G\u00f6del, Bertrand Russell<\/em><\/p>\n

ML confuses himself. Are Maxwell\u2019s Equations (ME) physics or mathematics? Their beauty can banish Cleopatra from any bridal chamber but must not seduce us to forget that the body within is physics, the raiment without radiant mathematics and can be written in two forms, differential or integral.<\/p>\n

Forgive me this one unavoidable paragraphs; I will then get back to terra firma. The first equation \"\"<\/a>\u00a0says \u201cThere is no true magnetism\u201d; meaning magnetism is a product of electric currents. The second equation says the electric field emanating from any region depends on the net charge contained therein. The famous third equation\"\"<\/a>
\nknown as Faraday\u2019s Law of Induction, better known to schoolboys as the flux-cutting rule, is about how electricity is made in generators. The final fourth equation supplements the first one and says how much magnetism is made by a given electric current. There is no need for readers to follow the mathematics since, qualitatively, what is being said is pretty straightforward.<\/p>\n

Next the maths is manipulated to the n-th degree to derive weird and wonderful results; radio, TV and mobile-phone reception, electrical surges and marvellous circuits and devices. But it is not the maths that underpins it all; the maths is a handmaiden to extract implications that are already there.<\/p>\n

A resplendent garment donned by ME after 1905 is its Special Relativity extension. This version is used to say things about places (frames of reference) moving at very fast constant speeds, close to the speed of light, relative to each other. (If there is acceleration we are in deep shit and need general relativity but this would be too long-winded a digression to undertake here).<\/p>\n

Levi backtracks and after much meandering concedes the contrarian chap\u2019s point. \u201cPersonally, I believe that by asking whether mathematics is discovered or invented, we forget that it is an intricate combination of inventions\u00a0and<\/em>\u00a0discoveries. I posit that humans invent mathematical concepts – numbers, shapes, sets, lines – by abstracting from the world around\u201d. We can forgive his circumlocution, but a materialist would not have needed so much obliqueness before getting to the point.<\/p>\n

A similar case can be made about Newtonian gravitation and classical dynamics on the science side and Calculus on the maths side, or general relativity as physics and Riemannian geometry as maths, or the relations of quantum electrodynamics as maths serving science. The wave-particle duality and Heisenberg\u2019s uncertainty principle in no way disrupt the materialist standpoint. But I concede the jury is still out – exclusively at the quantum level \u2013 on \u201cphoton entanglement\u201d (\u201cquantum non-locality\u201d, what Einstein termed \u201cspooky action at a distance\u201d). This has no parallel in the macro world; trying telling the judge that when you had sex with that minor you were suspended in a state of probabilistic superposition! I am also unable to accept the fad that the real world does not exist in the absence of a conscious observer.<\/p>\n

G\u00f6del\u2019s incompleteness theorem<\/strong><\/p>\n

One of my interlocutors (Gamini) has suggested that I address G\u00f6del\u2019s Theorem. A summary of the famous theorem from Wikipedia, with small linguistic adjustments, follows. Kurt G\u00f6del (1906-1979) was a 25 year fresh graduate of the University of Vienna when he formulated it.<\/p>\n

    \n
  1. If a system is consistent, it cannot be complete.<\/li>\n
  2. The consistency of its axioms cannot be proved within a system<\/li>\n<\/ol>\n

    The concepts are self-evident. Obviously the axioms of Euclid\u2019s geometry cannot be proved within Euclid\u2019s geometry! (G\u00f6del\u2019s terrain was number theory). What is the relevance of all this to our science-maths concerns? If a scientific revolution causes one maths to be thrown out and another to find favour, the former\u2019s axioms go out of the window as well. Euclid\u2019s axioms lost out when general relativity lent on Riemann. Unexpectedly, some branches of abstract mathematics earned handsome dividends when quantum physics blossomed; most others remain abstractions solely for the delight of mathematicians. Maths is a handmaiden to be discarded at the behest of physics, like firing a maid when she no longer satisfies the boss\u2019s desires.<\/p>\n

    Enlightenment and Divinity<\/strong><\/p>\n

    The Buddha was enlightened but human \u2013 no scholar says he is divine. This raises problems for a certain brand of Buddhists that I have encountered only in Sri Lanka. These people claim that he knew about atomic structure, that the concepts of quantum electrodynamics are contained in his philosophy and such mumbo-jumbo. These folks don\u2019t see the pickle they are getting into. Science is changing, so if their version of Buddha is committed to current science, than in a hundred years when science has moved on, he will be out of kilter! I wish people would think before they open their mouths.<\/p>\n

    Edwin Rodrigo wants to make me a Buddhist; he is pushing at an open door. My Marxism is no way hinders an appreciation of the wisdom of the Buddha. Phew! In one essay I have taken on Einstein, G\u00f6del and some people\u2019s version of the Buddha; must stop before I am certified insane and locked up in a padded cell.<\/p>\n","protected":false},"excerpt":{"rendered":"

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