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  • Photo of danieldf

    Core dump…

    http://kungfuphysics.wordpress.com/2008/05/03/core-dump%e2%8...

    For those of you that still remember the good old days of core dumps, here’s a post that follows that philosophy. It’s been quite sometime since i last had a chance to put some content here on the blog, nor have i had time to expand on the interesting comments that have appeared and so on… time has been short lately. In some sense, this is good news: research has really taken the best of me (as opposed to, e.g., some of the network management tasks that have plagued me in the not-so-distant-past ) — last week i gave a talk at Syracuse, and if all goes well, maybe i’ll be able to talk a bit about it here. Hearts will never be practical until they can be made unbreakable. – The Wizard of Oz Scientific: Geometric Quantization of Algebraic Reduction Motivic renormalization and singularities Accelerator Disaster Scenarios, the Unabomber, and Scientific Risks Success is in the bank The Bohr paradox Passing of a legend, John Wheeler 1911-2008, John Archibald Wheeler 1911-2008 Amazing Collection of Physics Video Lectures (Quantum Physics/Mechanics, Field Theory, Applied Group Theory, General Relativity. Cosmology, and others) Generalized Berezin quantization, Bergman metrics and fuzzy Laplacians Cosmological perturbation theory near de Sitter spacetime Effective Field Theory for Inflation The saga of rooted staggered quarks Mixed Hodge Structures and Renormalization in Physics What really goes on at the Large Hadron Collider: Brian Cox on TED Is there a crisis brewing in the reporting of science in the media? Charges and Twisted Bundles, IV: Anomaly Canellation Janus Configurations, Chern-Simons Couplings, And The Theta-Angle in N=4 Super Yang-Mills Theory Supersymmetric Boundary Conditions in N=4 Super Yang-Mills Theory A note on Infraparticles and Unparticles Dangerous Liouville Wave — exactly marginal but non-conformal deformation Exact Statistics of Chaotic Dynamical Systems Introduction to Quantum Mechanics Quantum Geometry and Quantum Gravity Is Open Access Science the Future? Charges and Twisted Bundles, III: Anomalies Self-organized criticality in quantum gravity Towards A No-Loophole Bell-Type Experiment? 285G, Lecture 7: Rescaling of Ricci flows and kappa-noncollapsing A draft version of the blog book 285G, Lecture 6: Finite time extinction of the third homotopy group, II Multimedia and the Journal of Number Theory Comparative Smootheology, II After graduation, fewer foreign PhD holders remain in US RIP Ed Lorenz 285G, Lecture 5: Finite time extinction of the third homotopy group, I CUDA, Supercomputing for the Masses Differential Forms and the Canonical Bundle This is what the Higgs boson looks like, Can the Tevatron find the Higgs? Big bang e grande explosão: mal entendidos em Física vol. I Physicists On Tape Rigid Surface Operators On the origin of the particles in black hole evaporation 285G, Lecture 4: Finite time extinction of the second homotopy group Sigma-Models and Nonabelian Differential Cohomology World Science Festival 2008 Critical gravitational collapse: towards a holographic understanding of the Regge region Scales of science Locally Free Sheaves and Vector Bundles Non-Borel summable Phiˆ4 theory in zero dimension: A toy model for testing numerical and analytical methods Black hole thermodynamics from simulations of lattice Yang-Mills theory Quantum Fields on the Groenewold-Moyal Plane Particle Identifications from Symmetries of Braided Ribbon Network Invariants Lectures on Scattering Amplitudes via AdS/CFT A Pointless Model for the Continuum as the Foundation for Quantum Gravity Formalism Locality in Quantum Theory and Quantum Gravity A note on the quantum of time Building an AdS/CFT superconductor A locally finite model for gravity A Matrix Model for 2D Quantum Gravity defined by Causal Dynamical Triangulations The New Math Sheaves of Modules This Week’s Finds in Mathematical Physics (Week 263) Stony Brook Dialogues in Mathematics and Physics Quantum foam and topological strings April Fool 285G, Lecture 2: The Ricci flow approach to the Poincaré conjecture This Week’s Finds in Mathematical Physics (Week 262) 285G, Lecture 1: Flows on Riemannian manifolds From Pure Spinor Geometry to Quantum Physics: A Mathematical Way Ettore Majorana and his heritage seventy years later What Has Happened So Far Symmetry and Integrability of Classical Field Equations Topological higher gauge theory: From BF to BFCG theory Is Quantum Gravity Necessary? Magnetic Charge Lattices, Moduli Spaces and Fusion Rules Instantons beyond topological theory II Sidney Coleman QFT Video Recordings Anatomy of a Black Hole Nonabelian Differential Cohomology in Street’s Descent Theory Security is Mathematics Matrix universality of gauge and gravitational dynamics Equivariant symplectic geometry of gauge fixing in Yang–Mills theory This Week’s Finds in Mathematical Physics (Week 261) `What is a Thing?’: Topos Theory in the Foundations of Physics Geometry of the Standard Model IAS Conference Question Dump 18 Billion Suns : Biggest Black Hole in Universe Discovered The 50 Topcited papers from SPIRES in 2007 General Interest: Brasil tem perdido grandes talentos em matemática, alerta presidente da SBPC Brasil, nação evanescente?, artigo de Carlos Lessa Pistol Pete Maravich & the Invention of Showtime Basketball Serra da Cangalha Crater, Brazil News: Politically Correct: Why Great (and Not So Great) Minds Think Alike power discussion Pleasing Google’s Tech-Savvy Staff ‘Economist’ pergunta por que crescimento do Brasil fica atrás da Argentina 20 Things You Didn’t Know About Sex 10 Great Scenes from TV and Film Told Using Only Typography Like bash.org for bash shell-fu Command line tips and tricks The Secret to Happiness? Giving Larry Lessig’s Open Congress From GNOME to KDE and Back Again Biggest Unix Cheat Sheet Anatomy of a Black Hole Óleo de bacalhau reduz uso de analgésicos em casos de artrite, diz estudo Fracassado leilão da Cesp foi em ‘hora infeliz’, diz FT Movitz: an x86 Common Lisp OS Países ricos incentivam imigração de ‘alto nível’ Membros da comunidade científica comunicam ao CNPq sua preocupação com o destino do comitê de divulgação científica I’m not against Windows; Unix just works better Search with privacy: What a concept Cresce número de imigrantes em busca do ’sonho brasileiro’ Para empresário boliviano, Brasil é ‘terra de oportunidades’ C++ is a language strongly optimized for liars and people who go by guesswork and ignorance Off-topic Tecnologia para muitos, artigo de Miguel Jorge, Sergio Rezende e Roberto Mangabeira Unger Infraestrutura deficiente será desafio para nova empresa aérea, diz ‘Wall Street Journal’ Revolution OS — Documentary of Linux Excesso de carros = engarrafamento Learn Python in 10 minutes Xoopit Will Turn Your Inbox Into a Social Network Science: monkeys were the first doctors Emigração para os EUA perde ‘apelo’ para brasileiros, diz ‘FT’ Linux: Too Much of a Good Thing? Keith Richards The 5 Most Ridiculous Lies You Were Taught In History Class Bird propõe ‘new deal’ alimentar com ajuda do Brasil Word of the Day: Zeitgeist Getting it on for science Everything should be code Asking Big Questions about the universe: Stephen Hawking on TED Memoize: a Python replacement for Make Waf: A portable Make and Autotools replacement in Python (15x faster than Scons, 3x faster than Autotools) Einstein can dunk Build a quad-core, 8-gig server for $900 Soros predicts end of the road for cheap and easy borrowing Beautiful Handwriting, Lettering and Calligraphy Reader Piqued By French Mutilations The Thing About Git Five Words You Can Cut The Moral Authority Behind Intervention: Examining Sergio Vieira de Mello Penn and Teller subverting the old ‘pull an animal out of the hat’ trick by instead producing thousands of bees, including hundreds while ripping apart a stuffed rabbit — take that, kids Masters of the World — England > America > China? Physicists On Tape Richard Stallman Interview: How a hacker became a freedom fighter Tip #195: Bash Tip #192: Print a random shell-fu tip Soros describes the $45 trillion market in credit swaps (i.e. derivatives) as a “Sword of Damocles” Knuth on teaching calculus Richard Dawkins and Lawrence Krauss Discuss Science, Science Education, Religion, Life, the Universe and Everything Open-source economics: Yochai Benkler on TED Brazil surprises markets with rate hike Tree of Rivers: The Story of the Amazon by John Hemming Tip #216: Create a Terminal Calculator Grou.ps: All Your Collaboration Tools In One Place The Myth of the 30-Minute Meal 52 Million Brazilian Mini-Penguinistas Your genes are not your fate: Dean Ornish on TED 30 Adobe Acrobat Alternatives The Financial Crisis: An Interview with George Soros Princeton scientists discover exotic quantum state of matter Tip #232: Deleting difficult filenames KDE Desktops For 52 Million Students In Brazil Leaps of Faith Fruit flies trade lifespan for brain power Ten (mostly) false ideas about emacs How fast are you? Is Mathematics Discovered Or Invented? Donald Knuth Rips On Unit Tests and More Concrete Examples Don’t Help Students Learn Math Patron Saint of Computing on Free Software Why you aren’t Donald Knuth What Programming Languages Should You Know? (Less Fluff, More Stuff) The English language is not equipped for metric spaces An Interview with Brian Greene on the World Science Festival Bunch of Computing Video Lecture Courses (C, XML & Java, Algorithms, Functional Programming, and others) Super addictive magnet toy. The Neo Cube Cray, Intel To Partner On Hybrid Supercomputer 50 Open Source Resources for Writers The ABCs of securing your wireless network Lawrence Krauss & Natalie Jeremijenko on the Politics of Knowledge Economia brasileira vive ‘tempos de Carnaval’, diz jornal Larry Page on how to change the world Argentina vê de longe ‘golaço’ do Brasil na economia, diz jornal Sage: Open Source Mathematics Software: Can There be a Viable Free Open Source Alternative to Magma, Maple, Mathematica, and Matlab? Windows in Brazil Costs 20% of Per Capita Business Income Denzel Washington says inner-city schoolkids have to be reminded that scientists are more important than entertainers That’s all folks! []’s.

  • Author unknown

    Core dump…

    http://kungfuphysics.wordpress.com/2008/05/03/core-dump%e2%8...

    For those of you that still remember the good old days of core dumps, here’s a post that follows that philosophy. It’s been quite sometime since i last had a chance to put some content here on the blog, nor have i had time to expand on the interesting comments that have appeared and so on… time has been short lately. In some sense, this is good news: research has really taken the best of me (as opposed to, e.g., some of the network management tasks that have plagued me in the not-so-distant-past ) — last week i gave a talk at Syracuse, and if all goes well, maybe i’ll be able to talk a bit about it here. Hearts will never be practical until they can be made unbreakable. – The Wizard of Oz Scientific: Geometric Quantization of Algebraic Reduction Motivic renormalization and singularities Accelerator Disaster Scenarios, the Unabomber, and Scientific Risks Success is in the bank The Bohr paradox Passing of a legend, John Wheeler 1911-2008, John Archibald Wheeler 1911-2008 Amazing Collection of Physics Video Lectures (Quantum Physics/Mechanics, Field Theory, Applied Group Theory, General Relativity. Cosmology, and others) Generalized Berezin quantization, Bergman metrics and fuzzy Laplacians Cosmological perturbation theory near de Sitter spacetime Effective Field Theory for Inflation The saga of rooted staggered quarks Mixed Hodge Structures and Renormalization in Physics What really goes on at the Large Hadron Collider: Brian Cox on TED Is there a crisis brewing in the reporting of science in the media? Charges and Twisted Bundles, IV: Anomaly Canellation Janus Configurations, Chern-Simons Couplings, And The Theta-Angle in N=4 Super Yang-Mills Theory Supersymmetric Boundary Conditions in N=4 Super Yang-Mills Theory A note on Infraparticles and Unparticles Dangerous Liouville Wave — exactly marginal but non-conformal deformation Exact Statistics of Chaotic Dynamical Systems Introduction to Quantum Mechanics Quantum Geometry and Quantum Gravity Is Open Access Science the Future? Charges and Twisted Bundles, III: Anomalies Self-organized criticality in quantum gravity Towards A No-Loophole Bell-Type Experiment? 285G, Lecture 7: Rescaling of Ricci flows and kappa-noncollapsing A draft version of the blog book 285G, Lecture 6: Finite time extinction of the third homotopy group, II Multimedia and the Journal of Number Theory Comparative Smootheology, II After graduation, fewer foreign PhD holders remain in US RIP Ed Lorenz 285G, Lecture 5: Finite time extinction of the third homotopy group, I CUDA, Supercomputing for the Masses Differential Forms and the Canonical Bundle This is what the Higgs boson looks like, Can the Tevatron find the Higgs? Big bang e grande explosão: mal entendidos em Física vol. I Physicists On Tape Rigid Surface Operators On the origin of the particles in black hole evaporation 285G, Lecture 4: Finite time extinction of the second homotopy group Sigma-Models and Nonabelian Differential Cohomology World Science Festival 2008 Critical gravitational collapse: towards a holographic understanding of the Regge region Scales of science Locally Free Sheaves and Vector Bundles Non-Borel summable Phiˆ4 theory in zero dimension: A toy model for testing numerical and analytical methods Black hole thermodynamics from simulations of lattice Yang-Mills theory Quantum Fields on the Groenewold-Moyal Plane Particle Identifications from Symmetries of Braided Ribbon Network Invariants Lectures on Scattering Amplitudes via AdS/CFT A Pointless Model for the Continuum as the Foundation for Quantum Gravity Formalism Locality in Quantum Theory and Quantum Gravity A note on the quantum of time Building an AdS/CFT superconductor A locally finite model for gravity A Matrix Model for 2D Quantum Gravity defined by Causal Dynamical Triangulations The New Math Sheaves of Modules This Week’s Finds in Mathematical Physics (Week 263) Stony Brook Dialogues in Mathematics and Physics Quantum foam and topological strings April Fool 285G, Lecture 2: The Ricci flow approach to the Poincaré conjecture This Week’s Finds in Mathematical Physics (Week 262) 285G, Lecture 1: Flows on Riemannian manifolds From Pure Spinor Geometry to Quantum Physics: A Mathematical Way Ettore Majorana and his heritage seventy years later What Has Happened So Far Symmetry and Integrability of Classical Field Equations Topological higher gauge theory: From BF to BFCG theory Is Quantum Gravity Necessary? Magnetic Charge Lattices, Moduli Spaces and Fusion Rules Instantons beyond topological theory II Sidney Coleman QFT Video Recordings Anatomy of a Black Hole Nonabelian Differential Cohomology in Street’s Descent Theory Security is Mathematics Matrix universality of gauge and gravitational dynamics Equivariant symplectic geometry of gauge fixing in Yang–Mills theory This Week’s Finds in Mathematical Physics (Week 261) `What is a Thing?’: Topos Theory in the Foundations of Physics Geometry of the Standard Model IAS Conference Question Dump 18 Billion Suns : Biggest Black Hole in Universe Discovered The 50 Topcited papers from SPIRES in 2007 General Interest: Brasil tem perdido grandes talentos em matemática, alerta presidente da SBPC Brasil, nação evanescente?, artigo de Carlos Lessa Pistol Pete Maravich & the Invention of Showtime Basketball Serra da Cangalha Crater, Brazil News: Politically Correct: Why Great (and Not So Great) Minds Think Alike power discussion Pleasing Google’s Tech-Savvy Staff ‘Economist’ pergunta por que crescimento do Brasil fica atrás da Argentina 20 Things You Didn’t Know About Sex 10 Great Scenes from TV and Film Told Using Only Typography Like bash.org for bash shell-fu Command line tips and tricks The Secret to Happiness? Giving Larry Lessig’s Open Congress From GNOME to KDE and Back Again Biggest Unix Cheat Sheet Anatomy of a Black Hole Óleo de bacalhau reduz uso de analgésicos em casos de artrite, diz estudo Fracassado leilão da Cesp foi em ‘hora infeliz’, diz FT Movitz: an x86 Common Lisp OS Países ricos incentivam imigração de ‘alto nível’ Membros da comunidade científica comunicam ao CNPq sua preocupação com o destino do comitê de divulgação científica I’m not against Windows; Unix just works better Search with privacy: What a concept Cresce número de imigrantes em busca do ’sonho brasileiro’ Para empresário boliviano, Brasil é ‘terra de oportunidades’ C++ is a language strongly optimized for liars and people who go by guesswork and ignorance Off-topic Tecnologia para muitos, artigo de Miguel Jorge, Sergio Rezende e Roberto Mangabeira Unger Infraestrutura deficiente será desafio para nova empresa aérea, diz ‘Wall Street Journal’ Revolution OS — Documentary of Linux Excesso de carros = engarrafamento Learn Python in 10 minutes Xoopit Will Turn Your Inbox Into a Social Network Science: monkeys were the first doctors Emigração para os EUA perde ‘apelo’ para brasileiros, diz ‘FT’ Linux: Too Much of a Good Thing? Keith Richards The 5 Most Ridiculous Lies You Were Taught In History Class Bird propõe ‘new deal’ alimentar com ajuda do Brasil Word of the Day: Zeitgeist Getting it on for science Everything should be code Asking Big Questions about the universe: Stephen Hawking on TED Memoize: a Python replacement for Make Waf: A portable Make and Autotools replacement in Python (15x faster than Scons, 3x faster than Autotools) Einstein can dunk Build a quad-core, 8-gig server for $900 Soros predicts end of the road for cheap and easy borrowing Beautiful Handwriting, Lettering and Calligraphy Reader Piqued By French Mutilations The Thing About Git Five Words You Can Cut The Moral Authority Behind Intervention: Examining Sergio Vieira de Mello Penn and Teller subverting the old ‘pull an animal out of the hat’ trick by instead producing thousands of bees, including hundreds while ripping apart a stuffed rabbit — take that, kids Masters of the World — England > America > China? Physicists On Tape Richard Stallman Interview: How a hacker became a freedom fighter Tip #195: Bash Tip #192: Print a random shell-fu tip Soros describes the $45 trillion market in credit swaps (i.e. derivatives) as a “Sword of Damocles” Knuth on teaching calculus Richard Dawkins and Lawrence Krauss Discuss Science, Science Education, Religion, Life, the Universe and Everything Open-source economics: Yochai Benkler on TED Brazil surprises markets with rate hike Tree of Rivers: The Story of the Amazon by John Hemming Tip #216: Create a Terminal Calculator Grou.ps: All Your Collaboration Tools In One Place The Myth of the 30-Minute Meal 52 Million Brazilian Mini-Penguinistas Your genes are not your fate: Dean Ornish on TED 30 Adobe Acrobat Alternatives The Financial Crisis: An Interview with George Soros Princeton scientists discover exotic quantum state of matter Tip #232: Deleting difficult filenames KDE Desktops For 52 Million Students In Brazil Leaps of Faith Fruit flies trade lifespan for brain power Ten (mostly) false ideas about emacs How fast are you? Is Mathematics Discovered Or Invented? Donald Knuth Rips On Unit Tests and More Concrete Examples Don’t Help Students Learn Math Patron Saint of Computing on Free Software Why you aren’t Donald Knuth What Programming Languages Should You Know? (Less Fluff, More Stuff) The English language is not equipped for metric spaces An Interview with Brian Greene on the World Science Festival Bunch of Computing Video Lecture Courses (C, XML & Java, Algorithms, Functional Programming, and others) Super addictive magnet toy. The Neo Cube Cray, Intel To Partner On Hybrid Supercomputer 50 Open Source Resources for Writers The ABCs of securing your wireless network Lawrence Krauss & Natalie Jeremijenko on the Politics of Knowledge Economia brasileira vive ‘tempos de Carnaval’, diz jornal Larry Page on how to change the world Argentina vê de longe ‘golaço’ do Brasil na economia, diz jornal Sage: Open Source Mathematics Software: Can There be a Viable Free Open Source Alternative to Magma, Maple, Mathematica, and Matlab? Windows in Brazil Costs 20% of Per Capita Business Income Denzel Washington says inner-city schoolkids have to be reminded that scientists are more important than entertainers That’s all folks! []’s.