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Sebastian Guillaume
Attended Universität d. Saarl.
Lives in Mainz
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Sebastian Guillaume

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Pantone 448c, the world's most unappealing color, is on an important mission to stop consumers from lighting up their next cigarette.
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Wir haben uns gut amüsiert. ❤
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Worin unterscheiden sich Kreative wie Texter, Grafiker und Entwickler? In ihrer Arbeit, ihren Werkzeugen und ihren Alpträumen. Der Imgur-Nutzer PickAndWhammy hat das auf eine witzige Weise illustriert.
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qCraft: A Beginner’s Guide To Quantum Physics in Minecraft

Last week we shared qCraft, a mod that brings basic principles of quantum physics (superposition and entanglement) to Minecraft. Since some of you have asked, here’s a closer look at how those principles come to life within Minecraft along with a few quick examples of qCraft builds.

Find out more at www.qCraft.org

#qcraft  #minecraft  #quantum
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Computational multiqubit tunnelling in programmable quantum annealers

The Google Quantum A.I. Lab Team, together with external collaborators, has recently published a paper (http://www.nature.com/ncomms/2016/160107/ncomms10327/abs/ncomms10327.html) in Nature Communications which studies computational multiqubit tunnelling in programmable quantum annealers. Quantum annealing (QA) is an optimization technique inspired by classical simulated annealing (SA). SA is a global optimization algorithm that mimics classical thermal activation at a high enough initial algorithmic “temperature” to escape false local minima of an optimization function. As the temperature is lowered to distinguish between local minima with small energy differences, SA can freeze. The idea behind QA is to use quantum tunneling to escape local minima even at low temperature. Quantum tunnelling is a phenomenon in which a quantum state traverses energy barriers higher than the energy of the state itself

Despite substantial academic and industrial interest in QA, computational multiqubit tunnelling had not yet been observed, and a theory of co-tunnelling under realistic noise models (including low-frequency noise) was lacking. In this paper we introduce a 16-qubit probe for tunnelling, a computational primitive where classical paths are trapped in a false minimum. To distinguish between tunnelling and thermal activation, we study the thermal dependence of the probability of success for the computational primitive. Thermal activation shows an increasing probability of success with increasing temperature, as expected. Multiqubit tunnelling, on the other hand, shows a decreasing probability of success with increasing temperature, both in theory and experiment.

We performed our experiments to observe computational multiqubit tunneling in a D-Wave Two quantum annealer. On the one hand, we obtain a good agreement with a standard quantum open system master equation (Redfield) and the new theory introduced in this paper (multiqubit NIBA). On the other hand, we observe the opposite dependence of temperature if we use a related numerical model, Spin Vector Monte Carlo (SVMC) (http://arxiv.org/abs/1401.7087), which aims to mimic quantum annealing but does not include entanglement.

The theory of multiqubit tunneling introduced in our paper (multiqubit NIBA) explains the effect of low frequency noise at the multiqubit freezing point. As the annealing progresses, the physical environment of the qubits, and the low frequency noise in particular, induces transitions in the physical system. These transitions tend to thermalize the system at the low physical temperature. At some point, the system freezes. If it did not, a quantum annealer would solve most optimization problems, simply because the energy of sub-optimal solutions is much higher than the very low physical temperature. Our theory shows that in the multiqubit setting this freezing is related to an energy shift introduced by the low frequency noise, which is linear in the number of qubits.

We applied the insights gained in this work to construct proof-of-principle optimization problems and programmed these into the D-Wave 2X quantum annealer (http://www.dwavesys.com/press-releases/d-wave-systems-announces-general-availability-1000-qubit-d-wave-2x-quantum-computer) that Google operates jointly with NASA. The problems were designed to demonstrate that quantum annealing can offer runtime advantages for hard optimization problems characterized by rugged energy landscapes. We found that for problem instances involving nearly 1000 binary variables, QA significantly outperforms SA: it is more than 10^8 times faster than SA running on a single core. You can see this benchmark in a more recent paper (http://arxiv.org/abs/1512.02206) and a related blogpost (http://googleresearch.blogspot.com/2015/12/when-can-quantum-annealing-win.html).

Sergio Boixo
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The 5 game match between AlphaGo and Lee Sedol has come to an end, with AlphaGo winning the match 4 games to 1. Check out this article by +The Verge which summarizes how the series played out over the last week. For a more detailed rundown of each game, visit the Google Asia Pacific blog at http://goo.gl/cPlksO
Reporting from South Korea on AlphaGo’s matches against Go genius Lee Se-dol over the past week and a half has been intense and fascinating. I’ve written about the results of each game, how Google...
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ein lehrstück der digitalen kommunikation.
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"2. Saarländisches Kindertätowieren und Piercen" wird von einigen Nutzern ernst genommen
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https://www.arduboy.com/
Arduboy, the game system the size of a credit card. Create your own games, learn to program or download from a library of open source games for free!
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Looking to utilize the power of machine learning in your next product? TensorFlow Serving makes the process of taking a model into production easier and faster. 

TensorFlow Serving allows you to safely deploy new models and run experiments while keeping the same server architecture and APIs. Out of the box it provides integration with #TensorFlow , but it can be extended to serve other types of models.

Learn more on the Research blog, linked below.
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Today, at #GCPNEXT2016  (https://goo.gl/uqDsBg), we announced the alpha release of Cloud Machine Learning, a framework for building and training custom models to be used in intelligent applications. Based on #TensorFlow , Google Cloud Machine Learning allows users to run custom distributed learning algorithms and utilize the same deep learning capabilities that power Cloud Translate API, Cloud Vision API, and Cloud Speech API.
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Der Roboter stolpert, aber er fällt nicht. Und wenn doch, steht er wieder auf.
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Robotisches Gehen ist eine Spezialität des US-Unternehmens Boston Dynamics. Der überarbeitete Humanoide Atlas läuft auch in unwegsamem Gelände sicher.
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In 15-20 Jahren wird man sich dieses Video anschauen und denken: Ach ja....so war das damals mit den ersten Robotern.

Absolut beeindruckend u auch ein wenig spooky/scary, was ATLAS, der neue Roboter von Boston Dynamics alles kann: Türen öffnen, Kisten heben, wieder aufstehen nachdem er umgeworfen wurde etc.   Wenn man dann noch weiß, dass Google diese Firma im Jahr 2013 gekauft hat, kann man sich mit ein wenig Phantasie ausmalen, was da auf uns zukommt....faszinierend!

#alsdieMaschinenlaufenlernten  
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Have him in circles
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Carina Jakobs's profile photo
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Danilo Linoria (xkEwLchef)'s profile photo
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Education
  • Universität d. Saarl.
    Computer u. Kommunikationstechnik, 2010
  • Ev. Internatsgymnasium am Bodensee
    2002
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Der, der den Stein weit trägt!
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YouTube - Prinz Pi - Gib dem Affen Zucker !
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