Grainy space is made of cells. It is absolute and still gives the
Lorentz-equations. That should be against the principles of relativity.
The theory of relativity denies an absolute space, but just the
absolute space makes the Lorentz-equations true. How is it possible?

It becomes possible by defining the space in a new dynamic way. The
3-dimensional cells form the 3D-surface and the 1-dimensional cells
perpendicular to the 3D-surface move on the both sides of the surface.
That motion makes the time for example.

D-theory is the basic theory of projective physics.

Comments?

Pekka Virtanen

More about the space in the introduction of D-theory:
http://koti.mbnet.fi/mpelt/tekstit/dtheory.htm

The files:

http://koti.mbnet.fi/mpelt/tekstit/dtheory_1.ppt
http://koti.mbnet.fi/mpelt/tekstit/dtheory_2.ppt
http://koti.mbnet.fi/mpelt/tekstit/dtheory_3.ppt
or
http://koti.mbnet.fi/mpelt/tekstit/dtheory_1.pdf
http://koti.mbnet.fi/mpelt/tekstit/dtheory_2.pdf
http://koti.mbnet.fi/mpelt/tekstit/dtheory_3.pdf

wrote:
Grainy space is made of cells. It is absolute and still gives the
Lorentz-equations. That should be against the principles of relativity.

The Lorentz Transformations
http://mathworld.wolfram.com/LorentzTransformation.html
require a continuous, differentiable space if one is going to be able
to discuss both position (x) and velocity (v - the first derivative of
position).

A differentiable space
http://mathworld.wolfram.com/Differentiable.html
must have certain properties, including the existence of limits
http://mathworld.wolfram.com/Limit.html
and it must support continuous functions
http://mathworld.wolfram.com/ContinuousFunction.html

Grainy space is not differentiable, so the concept of 'velocity' and
'analytic functions'
http://mathworld.wolfram.com/AnalyticFunction.html
such as electromagnetic fields cannot exist in grainy space.

A grainy space make make an interesting field for speculation and
computer models (such as John Horton Conway's 'Game of Life'), but it
is not supported by observations of the *real* universe.

Tom Davidson
Richmond, VA

Thanks for the comments!
You have not familiarized with the D-theory. According to the model the
motion is continuous for the macroscopic bodies in the macroscopic
space. The way, how you use the mathematical functions to analyze the
properties of grainy space, is not valid for the purpose.

Grainy space is not differentiable, so the concept of 'velocity' and
'analytic functions'
http://mathworld.wolfram.com/AnalyticFunction.html
such as electromagnetic fields cannot exist in grainy space.

The electromagnetic fields are described in QED with help of quantized
virtual photons. The theory is the greatest theory of physics(
R.Feynmann). The fields are macroscopic and therefore 'analytic
functions' are useable there.

A grainy space make make an interesting field for speculation and
computer models (such as John Horton Conway's 'Game of Life'), but it
is not supported by observations of the *real* universe.

When you do not know the properties or the structure of grainy space,
you can not say that observations do not support it. It is the same
thing with the famous ether. Not until you know the structure and
properties of the ether, you can say, if it match with the observations
or not. The physicists have used wrong assumptions with both ones.

Pekka