Plus Blog
April 24, 2014
Where were your most creative experiences at school? In art class? In music? English? In your maths lesson? That last one might not be the obvious choice for many of us, unless you were lucky enough to have a really inspiring maths teacher. But that is exactly the type of opportunity we are hoping to create for maths students aged 716 as part of the project, Developing Mathematical Creativity, with our sister site, NRICH. One aspect of the project that we are particularly excited about is highlighting the role of creativity in mathematics research. All mathematicians tell us that doing original mathematics is highly creative – but what exactly do they mean by that? We asked some researchers from a range of subjects about the role of creativity in their work. Working within constraints We started with David Berman who has a very interesting perspective on creativity. As well as being a theoretical physicist at Queen Mary, University of London, he also has a long standing collaboration with the Turner prize winning artist, Grenville Davey. Deconstructing the artistic idea of creativity, Berman told us that rather than an unbridled release of ideas where anything is possible, beauty comes from creating work withing very tight syntactic constraints. "Think of music: the tight system of key and chord makes music very constrained and yet capable of amazing emotional power," he said. For example Schoenberg's experiments with atonal music, though completely new and boundary breaking, were far from unconstrained. "Maths is like this. There are enormous syntactic constrains but still enough freedom to say something new. The beauty lies in between the constraints of syntax and the freedom of meaning." Taking risks David Spiegelhalter, the Winton Professor for the Public Understanding of Risk at the University of Cambridge, said he recognised creativity in research when someone makes a leap between two different areas, making new connections between them, perhaps using a tool from one area in another. And, as is fitting for someone with his expertise, Spiegelhalter highlighted that creativity is about stepping into the unknown and taking risks, something that can be different to our experience of mathematics in school. "Research is different to maths at school because you don't know where it will end, nobody has gone there before to tell you the answer but you have a feeling that something will come out." Asking good questions Ben Allanach, a professor of theoretical physics from the University of Cambridge, also mentioned this exploratory nature of creativity and research: "You don't know the answer [to the questions you're asking] before you start… You don't even know if there is an answer." He gave some examples such as inventing new models of particle physics, or new algorithms for analysing data. In this sense, a key aspect of creativity is the ability to ask good questions. "Creativity has a role in research in deciding which projects to work on," said Allanach. And as well as creating or choosing good questions that, as Spiegelhalter said, you have a feeling that something will come out, it's also important to be able to spot when your questions turn out to not be such good choices after all. "Personality and judgement play a large role," said Allanch. "When do you persist? When do you struggle on and when is the time to give up on a line of enquiry?" Interestingly, our discussions with researchers from chemistry, although quite a different field from mathematics, produced some very similar ideas. Charlotte Williams, Senior Research Scientist at CSIRO in Australia, also emphasised the importance of asking good questions, persevering with them, and constantly reviewing if you were still going in the right direction. "Most research projects come from a position of fundamental direction: you need your research grounded in reason, precedent and understanding of the subject, but then you need to innovate and that is where the creativity comes in," said Williams. But, as well as being able to ask good questions, Williams also emphasised that persistence was an important attribute to research success. Persistance Animation of the small subunit of the Thermus thermopiles ribosome. RNA shown in orange, protein in blue. (Image in public domain) Although the emphasis is often on the new, Williams made the point that great research also comes from thorough investigation and understanding of current work. "Nobel prize winner Ada Yonath (in Chemistry, 2009), said just this when I heard her speak. She would never have solved the structure of ribosome or got the Nobel prize if she hadn’t continued to do the same work for her whole career. And importantly have the funding bodies and universities support that (and not say, ‘you’ve been trying to do this for too long, do something new’...). She said she thought that tenacity and follow through in research was vastly underrated." Perhaps this persistence with an idea, following it through, testing it out and really gaining an understanding of what is going on, is also a valuable element of creativity. Williams felt that it is only once you have learnt the fundamentals of chemistry at school and in undergraduate degrees, that real creativity is possible. This could be seen as in contrast to our aim to encourage creative thinking in maths from the very earliest ages. Perhaps this is core difference between the subjects of maths and chemistry  there are a lot more costs and dangers associated with doing chemistry than playing with maths. "Too much creativity [in reasearch] and you could waste a lot of time and effort," says Williams. "So it's the combination that is key: thinking of a new direction or interesting area to explore that has a reasonable likelihood of being successful." Also, due to the real physical dangers of some chemical reactions, it's not appropriate to just let students follow their own ideas without proper supervision. "I respect and appreciate a student’s thoughtfulness and creativity but given that they are students, they still need guidance. In particular in chemistry, going off being creative without having the appropriate experience or without having consulted one's supervisor, can be really dangerous to be honest." Collaboration and interaction The final theme that really emerged from these researchers was the importance of interaction and collaboration in allowing for creativity in research. Williams said the process of attending conferences, listening to seminars and staying in touch with new research stimulates collaboration with people that might lead off into unexpected directions. Allanach too said that creativity often comes from interacting with others. So what role do you think creativity has in learning and researching maths, both as an academic but also as a student? What have been your favourite experiences of mathematical creativity?
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April 9, 2014
Check out this great new video abstract for a paper from the the wild bunch at the Centre for quantum technologies in Singapore. We vote all academic papers have to have such tempting video trailers! While you're making your way through their paper, why not also read more about compression and quantum mechanics on Plus. 
April 8, 2014
If you're not sure how maths is relevant to real life, then go to see this year's popular lectures put on by the London Mathematical Society. Kevin Buzzard of Imperial College will explore the digitisation of our lives — the fact that many of the things we enjoy and work with are now stored on computers which reduce them to numbers. This has weird consequences. For example, some numbers are copyrighted, and there are even some illegal prime numbers. But way before this digital revolution, mathematicians realised that numbers could encode all of mathematics (even the parts of it that aren't about numbers), and this has some even stranger consequences. How do diseases spread? Julia Gog, of the University of Cambridge, will look at how mathematics has been applied to help understand and control infectious diseases, from the scale of a single virus particle through to a global influenza pandemic, and some mathematical challenges for the future. The lectures will take place on Wednesday 9th July at the Institute of Education in London (7:00pm) and again on Wednesday 24th September at the Haworth Lecture Theatre, University of Birmingham (6:30pm). They are free, but if you wish to attend, please write to popular.lectures@lms.ac.uk. A form for registration is available on the LMS website. And if you would like to go prepared, why not read Julia Gog's Plus article as well as our other articles on the maths of diseases, and find out why encoding maths in numbers leads to surprises. 
March 20, 2014
Yesterday cosmologists at the University of Cambridge delivered their verdict on a major breakthrough that rocked science this week: the announcement of the BICEP2 project of direct evidence for an inflationary theory of the Universe and the existence of gravity waves (see here for our report). Having caught their breath, the Cambridge scientists carefully studied the results published by BICEP2 and presented their thoughts to a packed lecture theatre at the Institute of Astronomy. The verdict was positive. "I don't see anything particularly fishy," said cosmologist Anthony Challinor. "There are niggles and there will always be with these kinds of data sets. But it all looks ok to me." The all sky map of the temperature fluctuations in the CMB, as seen by Planck. (Image credit ESA and the Planck Collaboration) That's good news for the BICEP2 project, but there may be even more exciting news for cosmology as a whole. Challinor and George Efstathiou, his copresenter at yesterday's talk, both work on the Planck mission, which uses a space based telescope to map the cosmic microwave background (find out more here). The trouble is that there's tension between Planck's results and those of BICEP2. Planck data concerning temperature fluctuations in the early Universe seem to suggest that there aren't any gravitational waves at all. BICEP2 data, looking at polarisation of light, suggest that there are. So if BICEP's conclusions are correct, physicists may need to look for new physics to explain the discrepancy. The detection of gravity waves is intimately linked to the idea that the Universe experienced a rapid period of accelerated expansion, called inflation, in the distant past, so it's inflationary theories that will come under scrutiny. "The BICEP2 results have been an absolute triumph for the theory of inflation," says Challinor. "But the problem now is that the simplest models of inflation don't actually seem to fit. It's almost like we know less about inflation than we did before. What we need now is independent confirmation [of the results] from another experiment. If we see that, then it could well mean that we need new physics [to explain the results]." It looks like cosmology is heading for exciting times! 
March 14, 2014
We love every number here at Plus equally (ok, not really, 3 and i are the best numbers), but there is no denying the fame, ubiquity and usefulness of the number . Today, written as 3.14 in US date format, is known as Pi Day, and we are celebrating with this lovely image created by Mick Joyce. Graphic representation of , created by Mick Joyce Joyce wrote a computer programme to create the image, with each of the digits in the decimal expansion of represented by a different coloured pixels, demonstrating that the expansions is essentially without repeats or structure. Joyce's page is one of our favourites from the upcoming book, 50 Visions of Mathematics. The book (which we were lucky enough to help edit) will be released in May to coincide with the 50th anniversary of the Institute of Mathematics and its Applications, but you can preorder it now! Our friend Alex Bellos is also celebrating Pi Day with beautiful pictures in his Guardian blog, as well as translating the classics into Pilish. And we loved the, perhaps photoshopped, in the sky from @inFinnityPi. You can read all about on Plus: But, of course, if you are antipi, you are in good company…. 
March 7, 2014
The Plus Team, Marianne and Rachel, with one of the Fields Medallists, Cédric Villani, at the 2010 ICM Tomorrow is International Women's Day, and it got us wondering… could this be the year we finally have a female winner of a Fields Medal? The four Fields medallists will be announced in August at the International Congress of Mathematicians (ICM) in Seoul, Korea. We asked this question back at the 2010 ICM to the then, president of the International Union of Mathematicians (IMU), László Lovász, and Ragni Piene, the chair of the Abel Prize committee. This year, we hope to discuss this again with the current IMU president, Ingrid Daubechies, the first woman to hold this position. One of our favourite lectures at the 2010 conference was by Irit Dinur, will she be in line for the prize this year? We are looking forward to interviewing all the winners this year, but we must admit, as two female mathematicians ourselves, we will be incredibly excited if one or more of them are women! Read more about the Fields Medal and the 2010 ICM, and meet some of our favourite women in mathematics.
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