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Math in the hand of the designer

Have you ever drawn a curve in Word or Powerpoint? Then you have benefited from a modern mathematical idea - Bézier curves. Today, these curves are an indispensable tool for designers, graphic artists and animators alike. To understand what Bézier curves are, and how they came to be, we need to go back in time. Back to a car factory in France.

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Emelie Reuterswärd Emelie Reuterswärd

The math of facial recognition

When Kristian Danev woke up in Buenos Aires on a February morning in 2018, he didn't know that this was the day when justice would catch up with him. The reason for his arrest was that Danev's face had appeared in an investigation by the Argentine police. Unable to identify him, the police forwarded the image to Interpol, for a search in the Interpol facial recognition register. When the search returned a match, it was not only a triumph for the police, but also a feather in the cap for an ancient mathematical theorem.

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Programming Emelie Reuterswärd Programming Emelie Reuterswärd

The Explore/Exploit-dilemma

Every time I go to an Indian restaurant, I'm faced with a dilemma: Should I order my favorite Tikka Massala or try something new from the menu? Many decisions in our daily lives boil down to such a choice between new and familiar. Should we have lunch at the regular place or try the newcomer on the corner? Should we choose a pizza Capricciosa or try the special? Should we take a trip to a new destination, or book another charter to Mallorca? This dilemma is known as explore/exploit and has occupied mathematicians and computer scientists since the 1950s. Not only is the dilemma notoriously difficult to solve; it also has several surprising applications.

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Life is not linear

Linear models are useful in many contexts. Your electricity bill grows linearly with how many kilowatt hours you consume, the price for your electric scooter ride depends linearly on how many minutes you drive, and how many beers you need to buy for dinner, depends linearly on how many people are expected to come. But there are situations in our everyday life where our inclination to think linearly can cost us dearly. Join me when I show that life is not linear.

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The rocket science of love

Anyone who has ever endlessly swiped left and right on Tinder knows that finding a partner can feel about as likely as finding intelligent life in the universe. But the fact is that math can guide you in the galaxies of love.

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Emelie Reuterswärd Emelie Reuterswärd

The math that explains your photo filter

You just took the world's best selfie. The selfie with a capital S. The one that will revolutionize your Facebook feed. But wouldn't it be nicer with a little more luster in the colors, a filter that creates more light over the face or maybe a grayscale version? While you click and swipe on your phone, linear algebra takes place under the hood. Join us as we zoom in on the mathematics of digital photography.

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Math inspires art

Writers, as well as composers and visual artists, sometimes let mathematical ideas inspire their art. Join us as we compose with Fibonacci, take golden photographs and listen to the number π.

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