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The Curve of Least Disorder
Formation of an optimum surface in j-space
10th December 2018
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"There are at present fundamental problems in theoretical physics awaiting solution, e.g., the relativistic formulation of quantum mechanics and the nature of atomic nuclei (to be followed by more difficult ones such as the problem of life), the solution of which problems will presumably require a more drastic revision of our fundamental concepts than any that have gone before."

 - P.A.M. Dirac, Proc. Roy. Soc. A 133, 60 1931.

























"It has been suggested that the human visual system uses a curve of low energy when completing a contour.'"

- B. K. P. Horn in  "The curve of least energy", ACM Transactions on Mathematical Software, Vol. 9, No. 4, December 1983, Pages 441-460.









































 
   

    We have described earlier the constraint of existence in 3-D in the macroscopic observer's, ObsM , measurement frame, i.e. coordinate time frame.  There we had mentioned how the stability of the structures was dependent upon the formation of the least energy surfaces.  The energy plays an important role in our everyday life.  However in essence, the conventional energy is equivalent to the disordered information 1Thus the formation of least energy surfaces, is equivalent to the formation of the surfaces with an objective to minimize the disorder.  

    The formation of the least-energy or least-disorder surface, is important as it provides us with the knowledge of the geometric structure of the infinitesimal volume element dVj of the measurement metric.  The fundamental geodesic of measurement used by the electron-photon interaction or Obsc, will lie on dVjThe surface dVj could be spherical, ellipsoidal, or any other shape.  The surfaces formed are likely to be in Planck's dimensions.  We will be discussing the criterion to form these surfaces in one dimension.  The argument, can be generalized to any multi-dimensional manifold.

    The energy corresponding to a curve passing through two neighbouring points with the arc length ds, is given as:

E = ∫ κ2 ds,

where κ is the curvature of the arc, and it is related to the radius of the arc ρ as, κ = 1/ρ.  Therefore for a pure point, the curvature is infinite and the radius is zero.  Similarly for a precise straight line the curvature is zero, and hence the radius is infinite.

    The simplest case to consider, is when a curve is completed using a single arc.  The curve of least-energy, is a circle and the corresponding least-energy surface is the surface of a sphere.  In ideal discrete measurement space, no two measurements are alike.  Consequently each ds, is of different curvature and different radii.  If we plot a curve using same origin as reference, we run into a rather serious problem, as shown below:

single arc
 
The curve on left, is formed using a single arc.  In this case when arcs are connected with respect to the same origin, a smooth curve i.e. a circle is formed, which is the curve of least-energy or the curve of least-disorder in this case.  A real life example, is the surface formed by a soap bubble.  However the situation in Planck's domain, is likely to be a little bit more complicated.  As shown on the right in the picture above, if we try to connect arcs of varying curvatures using the same origin, a "smooth" curve can not be formed.   An approach to solve this problem, is as following:
We connect two arcs ds1 and ds2, whose tangents at the end points are infinitesimally close to each other in their values.  Now we can proceed to complete the curve, by connecting another arc-ds3 to the arc-ds2 in similar fashion, and so on.  Thus we can form a curve based on the criterion of matching tangents only.  Now we have a range of familiar geometric figures as possible solutions, to the problem of forming the curve of least-disorder.  They are shown below:

These shapes appear in various phenomena in nature, however which one of them corresponds to the curve of least-disorder when the number of arcs approaches infinity, is not very obvious.  To determine the nature of the infinitesimal volume dVj, we have to find the geometric shape as the number of arcs approach jThe energy stored in a semicircle of unit radius, number of arcs = 1, can easily shown to be π/2.  As the number of arcs is increased, the amount of energy stored in the curve can be shown to be decreasing.  These values are shown below2:

 

Geometry No. of Arcs Total Energy
Circle 1 1
Ellipse 2 .9342
3 0.927478
4 0.9219604
5 0.9192345
6 0.9176931
- -
- -
- -
64 0.913953
Euler's Spiral - 0.9178877
Limiting Value 0.9138931623

As it can be seen neither of the known curves i.e. Circle, Ellipse, and Euler's Spiral, correspond to the curve of least-energy.  Furthermore as the number of arcs is increased towards infinity, the energy contained within the curve keeps decreasing until it hits the limit of approximately 91.39% of the energy, π/2, stored in a semicircle.  These values are calculated using the multi-arc approximation.  Analytically, the n -> j situation is represented by Cesaro form, using Whewell equation which correlates the arc length to the tangential angle.  The arc-length and the corresponding energy, using Gamma function are given as:
 
LES4
 

In discrete measurement space, the appearance of the Gamma function is always a good sign, because of the presence of the term e-q.  This also means that Beta function can not be far behind.  Let us consider the coordinate differential ds2, defined in General Theory of Relativity as:

ds2 = gμν xμ xν

where the value of ds2 depends upon the metric tensor gμν.  The curve of least-disorder, provides a method to estimate ds itself.  Since ds is equivalently the curve of least energy, it will be an invariant.  The requirements for the invariance of ds, are much more strict than those for ds2.

     We note that in j-space we are measuring the information space itself, with no assumption made about the nature of the information, such as known physical objects or any other known phenomenon.  We are discussing here, the formation of a manifold from which the metric in observer's measurement space is derived.  The relationship between the topology, the manifold, and the metric is shown here:

LES 5

The topological space in this case is defined by δi.  The curve of least-energy represents the manifold corresponding to the measurements made by an observer of maximum efficiency Obsc (v/c ~ 1).  The metrics in various observers' measurement systems, are given by respective gμν's and gmn's.  We should also mention that the problem of the curve of least-energy or least-disorder, is equivalent to the problem of the resource optimization in j-space, which we have discussed earlier.

    The curve of least-disorder provides a solution for the problem of the origin in the discrete measurement space or j-space, in a most satisfactory manner.  The origin is defined in the manifold using a least-disorder curve and then coordinate systems are developed in various metric spaces, based on this definition of origin.  In other words, the measurements in the j-space, can be performed based on the value of ds, which is finite with the least-disorder criterion, and in essence defines the value of 0j for various measurement metrics.  The curve of least-disorder ds, is independent of the coordinate frames which require complicated metric tensors to determine the coordinate differential ds2.   More importantly, ds brings us closer to the underlying topological space, which governs the formation of the structures at cosmic as well as Planck scales.   

___________________

1.  One way to think about it is that, if we assume that pure information is being fed to a black hole, the output of the black hole will be some energy which essentially, is the disordered information.  In similar fashion, we can feed disordered information to a black hole, and in this case nothing would come out except for some occasional burps.

2. The numerical values and the subsequent discussion on Cesaro form and Whewell equation, are from the publication by B. K. P. Horn, "The curve of least energy", ACM Transactions on Mathematical Software, Vol. 9, No. 4, December 1983, Pages 441-460.

 

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Least Energy Surface Funny


Previous Blogs:


Möbius & Lorentz Transformation - II

Möbius & Lorentz Transformation - I

Knots, DNA & Enzymes

Quantum Comp - III

Nutshell-2017

Quantum Comp - II

Quantum Comp - I

Insincere Symm - II

Insincere Symm - I

Existence in 3-D

Infinite Source

Nutshell-2016

Quanta-II

Quanta-I

EPR Paradox-II
EPR Paradox-I 

De Broglie Equation

Duality in j-space

A Paradox

The Observers
Nutshell-2015
 
Chiral Symmetry

Sigma-z and I

Spin Matrices

Rationale behind Irrational Numbers

The Ubiquitous z-Axis

Majorana

ZFC Axioms

Set Theory

Nutshell-2014

Knots in j-Space

Supercolliders

Force

Riemann Hypothesis

Andromeda Nebula

Infinite Fulcrum

Cauchy and Gaussian Distributions

Discrete Space, b-Field & Lower Mass Bound

Incompleteness II

The Supersymmetry

The Cat in Box

The Initial State and Symmetries

Incompleteness I

Discrete Measurement Space

The Frog in Well

Visual Complex Analysis

The Einstein Theory of Relativity


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