Science Issue: The Mathematics in Our Lives

It has been more than 20 years since I set foot in Murray Edwards, excited to have made it to Cambridge. I had chosen to study Maths, the subject that I most loved at school. Soon after I found out that university Maths was quite different to school Maths – more abstract and going at a faster pace – but it was still the right degree for me. Mathematics is a world of symmetry and structure I can immerse myself in, a language allowing me to understand the world in ways I would not have imagined.

After my BA in Cambridge, and driven by my desire to apply Maths to real life situations, I pursued an MSc in Mathematical Modelling and Scientific Computing at the University of Oxford and subsequently a DPhil there. My DPhil research was about the mathematical modelling of sonic booms, the loud bangs created when the aeroplane breaks the sound barrier and flies faster than sound. Understanding them leads to strategies for minimizing annoyance from them in inhabited areas and it requires advanced knowledge of Maths, Physics and Engineering.

I am still fascinated by sonic booms and I have recently created this TED Ed animation to share my fascination with the world – it has been watched more than one million times by now.

I have also given several popularized talks on sonic booms and other applications of maths in the last decade and two years ago, with a team of many young scientists, we co-founded the Mediterranean Science Festival to share science and maths with the world in interactive and entertaining ways.

After my PhD, I worked at the Centre for Mathematical Medicine in Nottingham, on the mathematical modelling of cancer therapies, such as magnetic hyperthermia where a tumour can be burnt by using an external magnet to raise its temperature. Cancer modelling is an important area of mathematical biology which in the last decade has led to many clinical breakthroughs in the fight of cancer.

Leaving the UK, and curious about the corporate world, I worked for some time at the Boston Consulting Group (management consulting firm) in Greece. BCG advises client companies at the CEO-level and hires a diverse range of people. However, all consultants have in common an inquisitive, curious mind, and strong analytical thinking, just like scientific training provides.

Returning to Cyprus in 2010 I joined the university world again. I teach, which I really enjoy, and have also resumed my research on applied Maths. In my main current research project, in collaboration with the Cambridge Engineering Department, we employ stochastic (probabilistic) mathematical methodologies to quantify the important role that uncertainty plays in the way our cells operate and sustain life.

Moreover, in December 2016 I led the organization of the 1st Study Group with Industry in Cyprus. In this weeklong workshop, the 125th in the European series, 50 expert mathematical modellers from 17 different countries worked intensively in teams on tackling four Cypriot industry challenges. From identifying the appropriate algorithm that automatically generates instructions for constructing a lego-like toy, to predicting the spreading of pollutants in an aquifer supplying drinking water, to optimising urban bus routes, these diverse challenges called for a multitude of mathematical methodologies which the teams of modellers enthusiastically pursued, producing very useful results.

Maths has enabled me to work on exciting, diverse real-life problems and has taken me to a path I would not have imagined. I wholeheartedly recommend studying Maths to anyone thinking of it – the possibilities are endless!

Katerina Kaouri

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