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CONCRETE examples of relative geometry. “These represent metrics that appear bent in the reference frame, but which represent flat space-time metrics.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

THE NUT. “Note that the concept fits within flat space-time. That an observer comparing one region with a reference frame based on the vacuum configuration might see non-trivial geometry is in agreement with diffeomorphism invariance.” (“relative geometry constitutes a first deviation from the properties of a standard space-time scenario.”) https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

This Girona stone mason, like the majority, spends 95% of his time cutting slabs of stone for kitchens, a far cry from his profession 50 years ago. View in LinkedIn

Raindrops perfectly inverting distant tree images. View in LinkedIn

ILLUSION OF CHAOS. “Behind the veil of apparent randomness, though, many processes are highly ordered, following simple rules.” (James P. Crutchfield, Complexity Sciences Center and Physics Department, University of California at Davis). https://lnkd.in/evskumw5 View in LinkedIn

ASSUMPTION 1. “Space-time has an origin in information exchange.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

ASSUMPTIONS. “In the ansatz we analyse, we make the following central assumptions on the physics of space-time.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

OBSTACLE INFLUENCED. “Instead of the configuration indifferent to obstacles, (x,y), a coordinate system describing straight lines would be (ξ,η). The notion of directions and angles imparted on passing particles would be that of the lines in figure 1 instead of lines of constant value of (x, y).” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

ORIGIN IN DATA. “The consistency check, is at best indicative of the possibility of an information exchange origin.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

INFORMATION. “Our analysis focusses on spatial properties rather than time directly, but connects to if space-time could have an origin in interactions, in terms of information exchange.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn