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- Mathematics In Europe - Example14: Yannick

internship with this company followed by a thesis under CIFRE the Industrial Research Training Convention which permits one to complete a thesis under the auspices of a company rather than a university My thesis was on evaluating the reliability of systems based on that of its basic components After completing my doctorate I was hired What interests me about the reliability of industrial systems is confronting chance while trying to identify its rules and linking maths to other disciplines such as physics A specialist in probabilities and statistics the engineer researcher calculates the likelihood of accidents His goal To master industrial risks despite the uncertainty surrounding the physical phenomena in play How mathematics comes into play in his job My job consists in applying probability theory to physical and statistical observations in order to predict the industrial risks incurred by production infrastructure such as nuclear or coal based power plants dams wind farms and so on For example in order to establish the unreliability curve for a river dike that is to say the probability that the water height will exceed that of the dike during flooding I start by analysing long term data on the different physical parameters of the functioning of the watercourse its flow the state of the riverbed For each parameter I can determine a frequency curve for the observed values Then I use probability theory combined with a physical model of the watercourse to aggregate these pieces of information In this way I obtain a global curve based on which I can calculate the probability of the water height of the river exceeding that of the dam As an engineer I respond to concrete problems such as for example the maintenance schedule for a component of a nuclear power plant This part of my job

Original URL path: http://mathematics-in-europe.eu/tr/70-profession/profession-zoom/722-example14-yannick (2013-11-18)

Open archived version from archive - Mathematics In Europe - Example15: Thierry

my third year I finished my training at the Paris branch of the ENST École nationale supérieure for Telecommunications I was interested above all in the computer science side of my studies I was a little less interested in telecommunications Afterwards I was hired by this laboratory as a design engineer After a year and a half I was convinced of the usefulness of doing a doctorate since my job included a lot of research As a thesis subject I became interested in techniques of mathematical decomposition These make it possible to transform a complex problem into a combination of simpler problems The design engineer brings his expertise to the different jobs performed by the group whether researching new technologies solving scientific problems or performing operational research as an aid to decision making How mathematics comes into play in his job I am a research engineer with the e lab of the Research and Development and Technological Innovation Division of the Bouygues group My task is to conduct research in scientific calculation and provide the other members of the group TF1 Construction Colas BYTelecom BYImmobilier with advice and decision making tools This involves pure research tasks of the type What is the probability that a 30 second publicity spot will be watched all the way through It also includes producing prototypes and models for example calculating a provisional maintenance plan for a road network as part of a call for bids Last but not least I also develop software such as tools for organizing tasks at a building site or a process for optimizing the filling of advertising slots on TF1 I m part of an eight person lab seven of my colleagues hold doctorates My role is to lead projects in teams of two or three engineers starting from

Original URL path: http://mathematics-in-europe.eu/tr/70-profession/profession-zoom/723-example15-thierry (2013-11-18)

Open archived version from archive - Mathematics In Europe - Example16: Pascal

limited term contract as a systems engineer at INSA in Toulouse then I worked for Aptus a consulting and engineering firm as a computer security consultant There I had two major tasks each lasting a year and a half The first was for Thales Communications in a military setting near Paris the second was for Sun Storagetek in Toulouse storing information for banks and big companies like EADS European Aeronautic Defence and Space Company Hoping to return to Rennes I was recruited by France Télécom to work in their R D division as an engineer studying the distribution of music films and television over the internet Currently I am the head of this project How mathematics comes into play in his job Responsible for ensuring that contracts are fulfilled in accordance with clients wishes the project head brings to bear a diverse set of competences technical knowledge organizational abilities and interpersonal skills Based on the security standards demanded by record labels and production studios my job is to supervise the staff who study and put into practice tools designed to protect multimedia content distributed by Orange On a technical level these tools largely rely on cryptography in the form of data encryption and the authentication of electronic signatures On a mathematical level I make use of techniques from number theory numerical analysis and probabilities On top of that there are certain mechanisms such as using a smart card or software protection that help prevent these defences from being bypassed I also have a role as an expert consultant for the operational entities that will put these security devices into practice The final goal is to present Orange with the best compromise balancing the demands of security costs and the wishes of the client In this job being diplomatic always confers

Original URL path: http://mathematics-in-europe.eu/tr/70-profession/profession-zoom/747-example16-pascal (2013-11-18)

Open archived version from archive - Mathematics In Europe - Example17: Valérie

as a second year student I preferred to go to the university to study for postgraduate vocational certification in Mathematical Modelling and Computer Methods In my last year I also did a master s of advanced studies focusing on theoretical computer science and artificial intelligence Then I completed a thesis in computer science At the same time I oversaw applied projects at the university first as an instructor and then as an ATER Temporary Attaché for Teaching and Research After getting back in touch with my manager from my second year internship at CELAR which I completed as part of my vocational certification I learned that a job was opening up in his lab and I was hired I have kept up my ties to higher education because I teach in an engineering school How mathematics comes into play in her job Using tools that link discrete and algorithmic maths the cryptologic engineer develops encryption methods for securing information It s my job to ensure the confidentiality of communications This is one of the two major aspects of cryptology the other involves guaranteeing the authenticity and integrity of data for example bank card transactions Aside from a solid background in computer science my job as a cryptologic engineer demands high level mathematical knowledge especially in the fields of algebra and probability and statistics As a cryptographer my task consists in developing encryption algorithms designed to protect classified information held by the Ministry of Defence On the one hand I construct new mechanisms based on techniques that have already been proven in house or in the public domain this production activity what with its performance requirements and its delays accounts for half my job On the other hand I work on research developing new encryption methods For this part of my

Original URL path: http://mathematics-in-europe.eu/tr/70-profession/profession-zoom/750-example17-valerie (2013-11-18)

Open archived version from archive - Mathematics In Europe - Example18: Claire

of imaging I was especially interested in developing tools for analyzing medical images in order to provide a decisional strategic and therapeutic aid That s when I got interested in mathematics since medical imaging required me to master them I started by doing a general studies degree in SSM Sciences and Structures of Matter then I pursued a master s of science and technology in the medical instrumentation subfield then a master of advanced study in medical imaging then a doctorate I started an academic career as a researcher a true joy except that researchers are poorly paid And so I reoriented my focus towards other jobs such as a project head or engineer for R D Research and Development Today I work in consulting which enables me to link research and the development and management of projects How mathematics come into play in her job Working for a service company the medical imaging consultant brings specialised knowledge to businesses hoping to improve the quality of their offerings At present I am an expert in image quality in the fields of medicine and security I work on a project delegated to the Alten group by Thales Electron Devices In the first place my job consists in defining the methods and criteria for measuring the quality of an image then I specify the quality of numerical radiological panels I also develop software for processing images in order to improve their quality both visually and in terms of quantification estimating image volume Today medical imaging is essentially based on signal processing After being recorded in the form of sound waves or radioactive or luminous X rays the data are first quantified using mathematical models then they are processed by computer programs that produce 2D or even 3D models of the structure of

Original URL path: http://mathematics-in-europe.eu/tr/70-profession/profession-zoom/772-example18-claire (2013-11-18)

Open archived version from archive - Mathematics In Europe - Example19: Thomas

and the second in direct dialing and signal processing Then I worked on a thesis which I completed here at the IRCAM After receiving my doctorate I did a post doc at the École Polytechnique Générale in Lausanne were I studied methods for solving weakly non linear partial derivative equations Then I taught for one year as an ATER Temporary Attaché for Teaching and Research After my post doc I passed the CNRS exam and was accepted as a research head How mathematics comes into play in his job While producing physical models of the synthesis of sounds the musical acoustics researcher studies the mechanisms of sound production in existing instruments I conduct research on the simulated sound production of musical instruments In other words I try to produce a virtual instrument that one can play on a computer that will have the same ring of truth as a real instrument Technically speaking I try to take the vibratory phenomena produced inside an instrument as well as the specific manner in which it is played and represent these in the form of mathematical equations First I construct a physical model of the sound production of musical instruments Using methods that rely on signal processing in discrete and continuous time on differential equations and equations with partial derivatives my approach consists in calculating at each instant the direct correlation between the actions of the musician and the sound released by the instrument For example a trumpeter playing very loudly produces a bright sound This phenomenon is due to a non linearity in the propagation of the sound wave that is the sound levels inside the instrument are much higher than those which it emits When the sound levels are sufficiently high they produce a localized increase in air temperature which significantly

Original URL path: http://mathematics-in-europe.eu/tr/70-profession/profession-zoom/773-example19-thomas (2013-11-18)

Open archived version from archive - Mathematics In Europe - Mathematics in daily life

Halka ulaşma faaliyetleri Yarışmalar Matematik Yardım Meslek olarak matematik Karışık Misyon Hoşgeldin Mesajları EMS Destekçiler Diller Iletişim Yasal Bilgi arama The European Mathematical Society Our Sponsor Munich RE Mathematics in daily life Ayrıntılar Kategori WMY 2000 WORLD MATHEMATICAL YEAR 2000 Mathematics in daily life A realization of Centre Sciences To buy the posters please contact Bu e Posta adresi istenmeyen posta engelleyicileri tarafından korunuyor Görüntülemek için JavaScript etkinleştirilmelidir mce path

Original URL path: http://mathematics-in-europe.eu/tr/54-popularization/wmy-2000/708-mathematics-in-daily-life (2013-11-18)

Open archived version from archive - Mathematics In Europe - Montreal Subway Posters

the functionality of this Website Skip to main content Press Enter Menu languages Articles in Turkish can be found here Home Anasayfa Anasayfa Haberler Bilgiler Halka ulaşma faaliyetleri Yarışmalar Matematik Yardım Meslek olarak matematik Karışık Misyon Hoşgeldin Mesajları EMS Destekçiler Diller Iletişim Yasal Bilgi arama The European Mathematical Society Our Sponsor Munich RE Montreal Subway Posters Ayrıntılar Kategori WMY 2000 WORLD MATHEMATICAL YEAR 2000 MONTREAL SUBWAY POSTERS Copyright 2013 Mathematics

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