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Over the past few years, we have seen fundamental breakthroughs in core problems in machine learning, largely driven by advances in deep neural networks. At the same time, the amount of data collected in a wide array of scientific domains…

Machine Learning · Computer Science 2020-03-27 Maithra Raghu , Eric Schmidt

In 2007 an international conference engaged a reflection on the present conditions for sciences and scientific practice, to initiate a dialogue between science, philosophy, epistemology and sociology. Starting from many examples taken from…

Popular Physics · Physics 2008-04-14 J. -P. Luminet

Rich clusters of galaxies are the most massive virialized systems known. Even though they contain only a small fraction of all galaxies, rich clusters provide a powerful tool for the study of galaxy formation, dark matter, large-scale…

Astrophysics · Physics 2007-05-23 Neta A. Bahcall

In May 2015, a conference entitled "Groups, Geometry, and 3-manifolds" was held at the University of California, Berkeley. The organizers asked participants to suggest problems and open questions, related in some way to the subject of the…

Geometric Topology · Mathematics 2015-12-16 Kelly Delp , Diane Hoffoss , Jason Fox Manning

The paper gives a collection of open problems on abstract polytopes that were either presented at the Polytopes Day in Calgary or motivated by discussions at the preceding Workshop on Convex and Abstract Polytopes at the Banff International…

Combinatorics · Mathematics 2007-05-23 Egon Schulte , Asia Ivic Weiss

Below are the problems that I formulated at Open Problems Session of {\it Workshop on Group Actions on Rational Varieties}, McGill University and University of Montreal, Canada, March 2002. To appear in: "Affine Algebraic Geometry"…

Algebraic Geometry · Mathematics 2007-05-23 Vladimir L. Popov

Change is a fundamental ingredient of interaction patterns in biology, technology, the economy, and science itself: Interactions within and between organisms change; transportation patterns by air, land, and sea all change; the global…

Physics and Society · Physics 2010-10-07 M. Rosvall , C. T. Bergstrom

In this short report the first attempt of a new approach to the still mysterious phenomenon of the life, and its peak, the human being, is presented from the view point of the natural sciences, i.e. of the physics in the broad sense of the…

General Physics · Physics 2007-05-23 Boris Chirikov

Not only did Turing help found one of the most exciting areas of modern science (computer science), but it may be that his contribution to our understanding of our physical reality is greater than we had hitherto supposed. Here I explore…

Computational Complexity · Computer Science 2014-08-01 Hector Zenil

Nature's many varied complex systems (including galaxies, stars, planets, life, and society) are islands of order within the increasingly disordered universe. All organized systems are subject to physical, biological or cultural evolution,…

Popular Physics · Physics 2014-06-12 Eric J. Chaisson

Origins of contemporary $B$-physics. Mesons with beauty and charm. Stable tetraquarks? Flavor and the problem of identity. Top matters. Electroweak symmetry breaking and the Higgs sector. Future instruments.

High Energy Physics - Phenomenology · Physics 2020-02-20 Chris Quigg

Of all the issues discussed at {\em Alife VII: Looking Forward, Looking Backward}, the issue of whether it was possible to create an artificial life system that exhibits {\em open-ended evolution} of novelty is by far the biggest. Of the 14…

Adaptation and Self-Organizing Systems · Physics 2007-05-23 Russell K. Standish

A survey article for AMS Summer Institute at Seattle in 2005.

Algebraic Geometry · Mathematics 2008-04-22 Yujiro Kawamata

We provide a brief summary of the history of galaxy structure studies. We also introduce several large-scale redshift surveys and summarize the most commonly used methods to identify the groups and clusters of galaxies. We present several…

Cosmology and Nongalactic Astrophysics · Physics 2013-12-31 Tiit Sepp , Mirt Gramann

These lectures were prepared for the 2014 PCMI graduate summer school and were designed to be a lightweight introduction to statistical mechanics for mathematicians. The applications feature some of the themes of the summer school: sphere…

Statistical Mechanics · Physics 2016-12-06 Veit Elser

One of the outstanding problems of philosophy of science and mathematics today is whether there is just "one" unique mathematics or the same can be bifurcated into "pure" and "applied" categories. A novel solution for this problem is…

General Physics · Physics 2007-05-23 Afsar Abbas

The main purpose of these lectures is to give a pedagogical overview on the possibility to classify and relate off-shell linear supermultiplets in the context of supersymmetric mechanics. A special emphasis is given to a recent graphical…

High Energy Physics - Theory · Physics 2012-08-27 Stefano Bellucci , Sylvester James Gates, , Emanuele Orazi

These are notes from elementary lectures given in the summer of 2013 at the YMSC center at Tsinghua University in Beijing.

Dynamical Systems · Mathematics 2016-06-01 John Erik Fornæss

This introductory paper is structured in the form of an "interview", where the author answers the following questions: Why did you begin working with complex systems? How would you define complexity? What is your favourite aspect/concept of…

Adaptation and Self-Organizing Systems · Physics 2007-05-23 Francis Heylighen

The problems concerning a possible discovery of the mini block holes at earthly accelerators are discussed.

General Relativity and Quantum Cosmology · Physics 2007-05-23 V. A. Petrov