Mathematics Today
Mathematics Today is the membership publication of the Institute of Mathematics and its Applications.
Issued six times a year, this general interest mathematics publication provides articles, reports, reviews and news for mathematicians.
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Current features and articles
Editorial 
Simon Jenkins wrote a piece for the Guardian on 7 August [1], which might charitably be described as a diatribe against things that he doesn’t understand. Some of his errors were pointed out in a letter from Paul Glendinning [2] but Jenkins’ ignorance regarding science and mathematics does not mean everything in the article is off the mark. There are quite a few ideas put forward in the article which I am entirely comfortable with; that science graduates should be articulate and able to explain themselves clearly, that modelling our maths education system on that of the old USSR or of China is a bad idea, for example. But nevertheless the article leaves a sour taste, I think because there are large numbers of influential people in the UK who have virtually no understanding of mathematics but whose ignorance results in them failing to see the importance of our discipline. I do not subscribe to the view that a degree in Politics, Philosophy and Economics from Oxford is the best basis on which to pontificate about the importance or otherwise of science or mathematics, which is somewhat of a worry when you realise that apart from Jenkins this group includes both our current prime minister and the leader of the opposition, as well as a host of other MPs. 
How Graph Theory is Changing Marketing 
Most people who have studied Mathematics beyond ALevel will be familiar with the bridges in Königsberg. The seven bridges that helped Citizens cross from one part of the city to another are enshrined in mathematical history thanks to Leonard Euler and the Seven Bridges Problem. 
IMA Festival of Mathematics and its Applications 
For many years we have had, in the UK, excellent science festivals, science fairs and even a science week. However, despite mathematics being the Queen of the Sciences and underpinning all of STEM, there has, up to now, never been a Festival of Mathematics, and mathematics tends to have a small presence in the major science festivals. This is an unacceptable situation for the future of UK mathematics, as it denies the general public, and young people in particular, the opportunity to see mathematics and its many applications in all of its glory. To mark its 50th anniversary year the IMA decided to change this, and launch, what it hopes, will be an exciting annual event: the Festival of Mathematics and its Applications. 
Sex Drugs and Sausage Rolls 
Professor Sir David Speigelhalter FRS, OBE gave the evening popular lecture at the IMA Festival of Mathematics and its Applications at The University of Manchester. The talk, Sex, Drugs and Sausage Rolls, was aimed primarily at sixth formers, but was enjoyed by all – from primary school children to professors. David Spiegelhalter is Winton Professor for the Public Understanding of Risk, University of Cambridge. The talk and reception was generously sponsored by Winton Capital Management. You can read David’s blog at understandinguncertainty.org. He has also written a book about risk and it is accompanied by a promotional website, http://thenormchronicles.com/, which illustrates the story of Norm (a normal guy) and his risk of death from birth onwards. 
Full contents page of the October 2014 printed issue to receive Mathematics Today subscribe or join the IMA! 
Content from the August 2014 issue 
Editorial 
During the early years of the eighteenth century the accurate determination of longitude at sea was a very pressing concern, particularly acute for a maritime nation like Great Britain. A number of shipwrecks and the associated loss of life were directly attributable to mistakes in the computation of longitude and aside from highprofile major disasters the difficulties in navigation caused by the inability to accurately determine one’s position led to longer voyages which in turn led to greater risk of scurvy and other illnesses which afflicted the sailors of the age. The impact on trade was also significant and many fortunes were ruined for want of a solution to this basic problem of navigation. 
The IMA’s 50th Anniversary Celebration 
The IMA’s 50th Anniversary Celebration at the Royal Society on 14 May was a great success. The IMA President, Professor Dame Celia Hoyles DBE welcomed The Princess Royal and expressed warm thanks to her for agreeing to be our Patron in our anniversary year and for graciously agreeing to come to our event. 
50 Years of Mathematics in Industry 
How does maths affect the lives of ordinary people? How does it benefit us all, improving our quality of life? And how best can we bring mathematicians and business people together, so that maths can continue to contribute to our economy in the UK? 
Mathematics for the Billion 
My title pays homage to Lancelot Hogben’s Mathematics for the Million, a book that explained basic mathematics and practical uses in simple terms for a general audience. I think that today we have to be more ambitious. 
Two Trains and a Crazy Bird 
The examples of leastsquares applications given in Parts I and II have been used by the author when invited to give lectures about the importance of mathematics to nonspecialists, including teenagers still at school with different abilities and interests. The mathematics of the communications example is arguably too technical for such audiences, but the explanation of how we form different speech sounds and then model them for use in mobile telephones ensures that they at least appreciate the value of the mathematics. The underlying principles of the navigation examples are perhaps easier to understand, as is the idea of making a guess and then iterating to converge to a solution. 
Full contents page of the August 2014 printed issue to receive Mathematics Today subscribe or join the IMA! 

Content from the June 2014 issue 
Editorial 
At some point in my school education (in the late 1970s if my memory serves) I was introduced to logarithms as a means of facilitating calculations. I was taught how to use log tables to multiply, divide and take roots at a time when calculators were just becoming commonplace and I doubt many children younger than me were exposed to these techniques. What those who have grown up in the calculator age perhaps don’t realise is that logarithms were the principal means of calculating with decimals for over 300 years. Log tables and their associated techniques arrived from nowhere, were an instant sensation, dominated scientific calculation for centuries, and disappeared just as quickly as they had arisen. It seems appropriate to reflect on this in 2014 as the first set of such tables were published in 1614 in Napier’s Mirifici logarithmorum canonis descriptio (‘A Description of the Wonderful Principle of Logarithms’) which contained tables and a brief explanation of how they were to be used; the theory behind the construction of the tables appeared posthumously in 1619. 
Why Does Mathematics Matter in the Digital Arts? 
Celia Hoyles, Malcolm Sabin and Jon Macey presented Why Does Mathematics Matter? The Case of the Digital Arts at the British Congress of Mathematics Education in April 2014. 
The Festival of Mathematics and its Applications 
A major activity to celebrate the IMA’s 50th anniversary will be the Festival of Mathematics and its Applications, to be hosted in the Alan Turing Building, School of Mathematics at the University of Manchester. The event will bring together all elements of our broad community: academic mathematicians; mathematicians working in the corporate, industrial and business sectors; undergraduate and postgraduate students; teachers and lecturers; members of the general public with an interest in mathematics; school and college students and their families. 
How Microinsurance can Help to Reduce Poverty 
According to the World Bank around 2.2 billion people, or almost 31% of the global population, live on incomes less than $1.25 a day, with 3.6 billion living on less than $2 per day [1]. People living on such low incomes usually have no access to formal financial services. In particular, they often have little access to formal risk management solutions, including traditional insurance products. As a result, the world's poor are often the most exposed to the impact of many highrisk events that can cause financial difficulties in their lives. This article gives an introduction to one possible approach to mitigating the impact of highrisk events on lowincome groups: microinsurance. 
Fifty Visions of Mathematics Solution 
The IMA’s book Fifty Visions of Mathematics was launched at the 50th anniversary celebration at the Royal Society on 14 May. The book contains 50 Images – Visions – of Mathematics and 50 articles on many topics, including sport, sports gambling, CAT scans, viruses, space, biographies, to name a few. 
Full contents page of the June 2014 printed issue to receive Mathematics Today subscribe or join the IMA! 

Content from the April 2014 issue 
Editorial 
As many readers will know, EPSRC commissioned international reviews of UK mathematics research (IRMs) which were published in 2004 and 2010. The reports, available on the EPSRC website, make interesting reading. A considerable part of these two reports addresses the question of the strength or otherwise of the UK mathematics research community at the time of writing and how this compares with the best worldwide. Both the reports, and the review processes that led to them, were valuable but it is arguable that the 2010 report has had limited impact on the research landscape. In contrast, the 2004 report led, more or less directly, to a significant investment in a number of areas that had been highlighted by the review. Having said that, neither report is as bold in scope, as thought provoking, as challenging or as important as the recently published The Mathematical Sciences in 2025. 
The Festival of Mathematics and its Applications 
A major activity to celebrate the IMA’s 50th anniversary will be the Festival of Mathematics and its Applications, to be hosted in the Alan Turing Building, School of Mathematics at the University of Manchester. The event will bring together all elements of our broad community: academic mathematicians; mathematicians working in the corporate, industrial and business sectors; undergraduate and postgraduate students; teachers and lecturers; members of the general public with an interest in mathematics; school and college students and their families. 
Maths Joins the RollsRoyce Science Prize 
The RollsRoyce Science Prize was first implemented as an annual awards programme in 2004 as an incentive for teachers to enhance science teaching in their schools and colleges. There is a total of £120,000 to be won by schools each year. In 2014 RollsRoyce, in partnership with the IMA and the NCETM, has extended the Prize to include mathematics teaching in addition to science. The Prize recognises and rewards excellence in Science and Mathematics teaching for all children, from those with special education needs to high ability pupils, and covers Primary, Secondary and post16 age ranges. 
Beautiful Music 
Beautiful music is not easy to define. Some would claim that it is impossible to define because the terms `beautiful' and to some extent `music' are entirely subjective  the aural equivalent of `in the eye of the beholder' (presumably `in the ear of the listener', although the phrase doesn't have quite such a ring to it). Such people might contend that anyone who finds the sound of rushhour traffic more beautiful musically than, say, Mozart's Elvira Madigan Concerto is taking a perfectly reasonable position. 
Communication, Navigation and Mathematics: Part I 
This article is based on a public lecture given by the author at the University of Reading on 13 November 1997 to celebrate his appointment as a Visiting Industrial Professor. The material has remained in his files and unpublished until now. The primary aim of the lecture was to demonstrate that the basic mathematics which underpins one technology (e.g. digital speech communications) can often be applied to a quite different technology (e.g. navigation systems). This article follows the basic theme of the lecture, but includes more of the mathematics. This is the first part of the article, Speech Communications, the second part on Navigation will appear in the next issue of Mathematics Today. 
The Dome that Touches the Heavens 
This year is the 50th year of the IMA and my 50th year too. Birthdays are times for celebration and reflection – to identify what really inspires us. Appropriately then, very soon, on my birthday, I will give a talk to a group of architects in Paris about when architecture inspired new mathematics and vice versa. One example is the invention of the catenary curve, which is popularly attributed to Sir Christopher Wren (1632–1723) and his design of St Paul’s Cathedral (built 1675–1720). 
Full contents page of the April 2014 printed issue to receive Mathematics Today subscribe or join the IMA! 

Content from the February 2014 issue 
Editorial 
What the IMA is for can readily be seen from its website, where the first paragraph is the following: ‘The Institute of Mathematics and its Applications (IMA) is the UK’s learned and professional society for mathematics and its applications. The IMA exists to support the advancement of mathematical knowledge and its applications and to promote and enhance mathematical culture in the United Kingdom and elsewhere, for the public good.’ 
A Message from HRH The Princess Royal, the IMA Patron for 2014 
I am delighted to be the Patron of the Institute of Mathematics and its Applications (IMA) in its 50th Anniversary year. This is not the first occasion in which my family has been involved with the Institute: His Royal Highness The Duke of Edinburgh was President from 1976 to 1977, and the Institute was incorporated by Royal Charter in 1990. 
The Next 50 Years 
In trying to write a vision for where (applied) mathematics, (applied) mathematicians and the IMA will be in the next 50 years, I am ever mindful of John von Neumann’s attempt to do this for the subject of computing, in which he said that any statement about the future was bound to look pretty silly in just a few years time. Given the exponential rate at which mathematics and its applications are developing, and the incredible creativity of mathematicians in thinking up utterly new ideas, I think I will be lucky if I even get a few years grace. But having said this, here goes. 
Interview with Celia Hoyles, the New IMA President 
Professor Dame Celia Hoyles, CMath CMathTeach FIMA is a Professor of Mathematics Education at the London Knowledge Lab, Institute of Education, University of London. She took over as President of the IMA at the beginning of the year. Professor Hoyles interests include mathematics policy and research in students’ conceptions of proof, mathematical skills in modern workplaces, computational environments for learning and sharing mathematics and systemic change in teaching mathematics. She was awarded the International Commission of Mathematics Instruction (ICMI) Hans Freudenthal medal in 2004 and the Royal Society Kavli Education Medal 2011. I interviewed Celia Hoyles in May 2013. 
Sherlock Holmes and the ThreeBody Problem 
One of the joys of reading fiction is speculating on how the world created by the author can relate to the real world. No series has been more successful in this respect than Conan Doyle’s Sherlock Holmes stories, which have spawned a considerable literature of interpretation based on the pretence that Sherlock Holmes was a real person, perhaps for the following reasons: 
Full contents page of the February 2014 printed issue to receive Mathematics Today subscribe or join the IMA! 
