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Constraints on the Universe as a Numerical #Simulation | #research #algorithms

Constraints on the Universe as a Numerical #Simulation | #research #algorithms | e-Xploration | Scoop.it
luiy's insight:

Observable consequences of the hypothesis that the observed universe is a numerical simulation performed on a cubic space-time lattice or grid are explored. The simulation scenario is first motivated by extrapolating current trends in computational resource requirements for lattice QCD into the future. Using the historical development of lattice gauge theory technology as a guide, we assume that our universe is an early numerical simulation with unimproved Wilson fermion discretization and investigate potentially-observable consequences. Among the observables that are considered are the muon g-2 and the current differences between determinations of alpha, but the most stringent bound on the inverse lattice spacing of the universe, b^(-1) >~ 10^(11) GeV, is derived from the high-energy cut off of the cosmic ray spectrum. The numerical simulation scenario could reveal itself in the distributions of the highest energy cosmic rays exhibiting a degree of rotational symmetry breaking that reflects the structure of the underlying lattice.

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Rescooped by luiy from The Rise of the Algorithmic Medium
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BayesiaLab 5.0: Analytics, Data Mining, Modeling & Simulation

BayesiaLab 5.0: Analytics, Data Mining, Modeling & Simulation | e-Xploration | Scoop.it
The leading software for knowledge management and analytics with Bayesian networks.

Via Pierre Levy
luiy's insight:

BayesiaLab is a powerful desktop application (Windows/Mac/Unix) for knowledge discovery, data mining, analytics, predictive modeling and simulation - all based on the paradigm of Bayesian networks. Bayesian networks have become a very powerful tool for deep understanding of very complex, high-dimensional problem domains, ranging from bioinformatics to marketing science.

BayesiaLab is the world’s only comprehensive software package for learning, editing and analyzing Bayesian networks. It provides perhaps the easiest way to practically apply artificial intelligence tools, thus transforming and, more importantly, massively accelerating research workflows.

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Fàtima Galan's curator insight, October 7, 2013 6:53 AM

"BayesiaLab is a powerful desktop application (Windows/Mac/Unix) for knowledge discovery, data mining, analytics, predictive modeling and simulation - all based on the paradigm of Bayesian networks. Bayesian networks have become a very powerful tool for deep understanding of very complex, high-dimensional problem domains, ranging from bioinformatics to marketing science."

Rescooped by luiy from Non-Equilibrium Social Science
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Is the Universe a #Simulation? | #algorithms

Is the Universe a #Simulation? | #algorithms | e-Xploration | Scoop.it
If so, that would help explain some mysterious things about math.

Via Jorge Louçã, NESS
luiy's insight:


....... but there is one area of human endeavor that comes close to exemplifying the maxim “manuscripts don’t burn.” That area is mathematics. If Pythagoras had not lived, or if his work had been destroyed, someone else eventually would have discovered the same Pythagorean theorem. Moreover, this theorem means the same thing to everyone today as it meant 2,500 years ago, and will mean the same thing to everyone a thousand years from now — no matter what advances occur in technology or what new evidence emerges. Mathematical knowledge is unlike any other knowledge. Its truths are objective, necessary and timeless.

 

What kinds of things are mathematical entities and theorems, that they are knowable in this way? Do they exist somewhere, a set of immaterial objects in the enchanted gardens of the Platonic world, waiting to be discovered? Or are they mere creations of the human mind?

 

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Indeed, there may be. In a recent paper, “Constraints on the Universe as a Numerical Simulation,” the physicists Silas R. Beane, Zohreh Davoudi and Martin J. Savage outline a possible method for detecting that our world is actually a computer simulation. Physicists have been creating their own computer simulations of the forces of nature for years — on a tiny scale, the size of an atomic nucleus. They use a three-dimensional grid to model a little chunk of the universe; then they run the program to see what happens. This way, they have been able to simulate the motion and collisions of elementary particles.

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Eli Levine's curator insight, February 17, 10:31 PM

Bizarre, isn't it?

 

And, at the crux of it, is a mixture of how our brains interpret this reality and receive it, in addition to what's actually out there.

 

Perhaps we are a simulation of a universe, that is trying to understand and make sense of itself?

 

A vast computer program trying to uncover information about itself and other possibilities?

 

Think about it.

 

http://www.youtube.com/watch?v=j0eXvwmxPds