Re: Vector field

From: Mike (eleatis_at_yahoo.gr)
Date: 02/03/05 

Date: 3 Feb 2005 13:56:39 -0800

Dirk Van de moortel wrote:
> "Mike" <eleatis@yahoo.gr> wrote in message
news:1107466970.976519.237070@g14g2000cwa.googlegroups.com...
> >
> > Randy Poe wrote:
> > > Mike wrote:
> > > > That's what we are saying but you miss the point. Events in
> > spacetime
> > > > do not form a vector space because they do not have an inverse.
> > >
> > > The assignment of an origin is arbitrary. I can assign my
> > > current position at 4 PM Eastern time the coordinates
> > > (0,0,0,0).
> > >
> > > > A
> > > > requirement of a vector space V is that its elements have an
> > > > inverse:
> > > >
> > > > (X)+(-X) = 0
> > >
> > > So?
> > >
> > > With the above origin, an event with coordinates
> > > (1 m,1 m,1 m,10 m) happens 10 seconds after 4 pm,
> > > at a point just about at the upper right corner
> > > of my cubicle.
> > >
> > > The additive inverse: (-1, -1, -1, -10) corresponds
> > > to an event which happened 10 seconds before 4 pm,
> > > at about where my trash can is located.
> > >
> > > Since I'm very confident that my trash can existed
> > > at 10 seconds before 4 pm, I feel confident that
> > > both X and -X can meaningfully be assigned as
> > > spacetime coordinates for events.
> > >
> > > - Randy
> >
> > Life goes on RP and your trash cannot be made back into that hungry
man
> > dinner, id does not matter how many assignments of variable you
make to
> > irrelevant events, like the next door dog barking, it's gone man
and
> > boy.
> >
> > Mike
>
> You see Randy, our Mike (aka aka aka....) is slightly less of
> an imbecile than Androcles indeed. When he realizes that his
> bare bottom is out in the open, he stops the conversation :-)
>
> Dirk Vdm

You voud like more conversation on vouat? Let's talk about donkeys.
Nice animals. They carry Dinkly to the minimarket. Then, by a simple
change in sign they carry him back home in no time. Thus, Dinky can go
an infinite number of times to the mini market in dt and get infinite
beer. Since no time has elapsed, it's all free, because time is money,
isn't it idiot?

Mike

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