IT University of Copenhagen sitecore@itu.dk https://video.itu.dk en-us Visualplatform http://blogs.law.harvard.edu/tech/rss IT University of Copenhagen Stay up to date with all the things that are happening at IT University of Copenhagen. This podcast will serve you various videos and audios with accounts from scientists and actual students at IT University, and give you a glimpse into their... episodic no https://video.itu.dk/files/rv0.0/sitelogo.gif https://video.itu.dk http://video.itu.dk/photo/74240381/nutan-limaye-computational <p>Nutan Limaye is an associate professor at IT University of Copenhagen and an internationally leading researcher in computational complexity. <p>Nutan’s research focus is on the most prestigious and fundamental questions in computer science, namely: which problems can be solved with limited computational resources? Her recent breakthrough result, with Srinivasan and Tavenas, received the best paper award at the Foundations of Computer Science conference in 2021 and shows that algebraic circuits of constant size require superpolynomial depth.</p> <p>We ask Nutan what these words even mean, and take a deep dive into the foundations of computer science. What are computational problems, computational models, algorithms, and how does one reason scientifically about such broad concepts? In particular, how does an impossibility result even make sense: how can one prove that a problem can never be solved, no matter how many clever ideas we (or anybody else) may have in the future?</p> <p>For more information: <a>thore@itu.dk</a></p></p><p><a href="http://video.itu.dk/photo/74240381/nutan-limaye-computational"><img src="http://video.itu.dk/64968566/74240381/7c087a2e2612a3b641f9d75d891cf784/standard/download-24-thumbnail.jpg" width="75" height=""/></a></p> http://video.itu.dk/photo/74240381 Fri, 18 Feb 2022 10:05:31 GMT Nutan Limaye: Computational complexity Nutan Limaye is an associate professor at IT University of Copenhagen and an internationally leading researcher in computational complexity. Nutan’s research focus is on the most prestigious and fundamental questions in computer science, namely: which problems can be solved with limited computational resources? Her recent breakthrough result, with Srinivasan and Tavenas, received the best paper award at the Foundations of Computer Science conference in 2021 and shows that algebraic circuits of constant size require superpolynomial depth. We ask Nutan what these words even mean, and take a deep dive into the foundations of computer science. What are computational problems, computational models, algorithms, and how does one reason scientifically about such broad concepts? In particular, how does an impossibility result even make sense: how can one prove that a problem can never be solved, no matter how many clever ideas we (or anybody else) may have in the future? For more information: thore@itu.dk Nutan Limaye is an associate professor at IT University of Copenhagen and an internationally leading researcher in computational complexity. Nutan’s research focus is on the most prestigious and fundamental questions in computer science, namely:... IT University of Copenhagen 01:03:44 <p>Nutan Limaye is an associate professor at IT University of Copenhagen and an internationally leading researcher in computational complexity. <p>Nutan’s research focus is on the most prestigious and fundamental questions in computer science, namely: which problems can be solved with limited computational resources? Her recent breakthrough result, with Srinivasan and Tavenas, received the best paper award at the Foundations of Computer Science conference in 2021 and shows that algebraic circuits of constant size require superpolynomial depth.</p> <p>We ask Nutan what these words even mean, and take a deep dive into the foundations of computer science. What are computational problems, computational models, algorithms, and how does one reason scientifically about such broad concepts? In particular, how does an impossibility result even make sense: how can one prove that a problem can never be solved, no matter how many clever ideas we (or anybody else) may have in the future?</p> <p>For more information: <a>thore@itu.dk</a></p></p><p><a href="http://video.itu.dk/photo/74240381/nutan-limaye-computational"><img src="http://video.itu.dk/64968566/74240381/7c087a2e2612a3b641f9d75d891cf784/standard/download-24-thumbnail.jpg" width="75" height=""/></a></p> cast it computational complexity computer science nutan limaye thore husfeldt http://video.itu.dk/photo/65606373/mikkel-thorup-digital-contact <p>Mikkel Thorup is professor of Computer Science at Copenhagen University and an internationally leading researcher in the theory of algorithms. During the Covid-19 pandemic, he has served on the scientific board advising the Danish authorities on the development of a national contact tracing app using mobile phones for exposure notification.<p></p> <p>We sit down with Mikkel, exposure notification apps dutifully switched on, and talk about how such an application works. The Danish system, “SmitteStop”, uses Digital Privacy-Preserving Proximity Tracing. What does that even mean – how is the protocol defined, what is the mechanism by which privacy is preserved (and to which extent), and which role does the Google–Apple API play in the application?</p> <p>Apart from the technical issues, we probe several issues on the fault line of technology and society. What are the alternatives to privacy-preserving exposure notification? E.g., could we do much more, and – to the extent that our phones already track everything and we share it freely – why aren’t we just using that information during a pandemic? What are the trade-offs between safety and liberty, is privacy a form of manslaughter, whom should we trust with our data, and how do different cultures around the globe manifest in deciding these tradeoffs?</p></p><p><a href="http://video.itu.dk/photo/65606373/mikkel-thorup-digital-contact"><img src="http://video.itu.dk/64968561/65606373/141b4b0e1ac016e3a689ae854b94789c/standard/download-5-thumbnail.jpg" width="600" height="338"/></a></p> http://video.itu.dk/photo/65606373 Mon, 14 Dec 2020 14:34:17 GMT Mikkel Thorup: Digital Contact Tracing Mikkel Thorup is professor of Computer Science at Copenhagen University and an internationally leading researcher in the theory of algorithms. During the Covid-19 pandemic, he has served on the scientific board advising the Danish authorities on the development of a national contact tracing app using mobile phones for exposure notification. We sit down with Mikkel, exposure notification apps dutifully switched on, and talk about how such an application works. The Danish system, “SmitteStop”, uses Digital Privacy-Preserving Proximity Tracing. What does that even mean – how is the protocol defined, what is the mechanism by which privacy is preserved (and to which extent), and which role does the Google–Apple API play in the application? Apart from the technical issues, we probe several issues on the fault line of technology and society. What are the alternatives to privacy-preserving exposure notification? E.g., could we do much more, and – to the extent that our phones already track everything and we share it freely – why aren’t we just using that information during a pandemic? What are the trade-offs between safety and liberty, is privacy a form of manslaughter, whom should we trust with our data, and how do different cultures around the globe manifest in deciding these tradeoffs? Mikkel Thorup is professor of Computer Science at Copenhagen University and an internationally leading researcher in the theory of algorithms. During the Covid-19 pandemic, he has served on the scientific board advising the Danish authorities on... IT University of Copenhagen 01:06:54 <p>Mikkel Thorup is professor of Computer Science at Copenhagen University and an internationally leading researcher in the theory of algorithms. During the Covid-19 pandemic, he has served on the scientific board advising the Danish authorities on the development of a national contact tracing app using mobile phones for exposure notification.<p></p> <p>We sit down with Mikkel, exposure notification apps dutifully switched on, and talk about how such an application works. The Danish system, “SmitteStop”, uses Digital Privacy-Preserving Proximity Tracing. What does that even mean – how is the protocol defined, what is the mechanism by which privacy is preserved (and to which extent), and which role does the Google–Apple API play in the application?</p> <p>Apart from the technical issues, we probe several issues on the fault line of technology and society. What are the alternatives to privacy-preserving exposure notification? E.g., could we do much more, and – to the extent that our phones already track everything and we share it freely – why aren’t we just using that information during a pandemic? What are the trade-offs between safety and liberty, is privacy a form of manslaughter, whom should we trust with our data, and how do different cultures around the globe manifest in deciding these tradeoffs?</p></p><p><a href="http://video.itu.dk/photo/65606373/mikkel-thorup-digital-contact"><img src="http://video.itu.dk/64968561/65606373/141b4b0e1ac016e3a689ae854b94789c/standard/download-5-thumbnail.jpg" width="600" height="338"/></a></p> cast it coronavirus Digital Contact Tracing mikke thorup smittestop thore husfeldt