sci.math Google Group

Discontinuity curve

macromi...@yahoo.com (BURT) — Tue, 14 Oct 2008 02:53:46 UT

Infinity jump.
Infinity size of infinitely small can change continuously or
discontinuously.
Momentum in physics is an exchange of sizes of infinity in a two body
collision.
Mitch Raemsch

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When moving at near light speed

macromi...@yahoo.com (BURT) — Mon, 13 Oct 2008 22:51:59 UT

It becomes hard to slowdown because of being more massive by Gamma at
relativistic velocities. This would apply in a particle accelerator.
Mitch Raemsch

A similar conjecture in lattice theory

por...@narod.ru (Victor Porton) — Mon, 13 Oct 2008 22:36:22 UT

I've asked for a conjecture in lattice theory in this thread where it
also was solved:
[link]
Now I have a similar problem which I offer you to solve:
I will call center Z of a bounded distributive lattice L the
sublattice of all complemented elements of L.

(root2) prime ideal of Z[root2]

lite.on.b...@gmail.com — Mon, 13 Oct 2008 22:09:33 UT

How to prove that (root2) is prime ideal of Z[root2]?
For one, 1+root2 not in Z[root2] because
1+root2 = (a +b root2)root2 => 1 = 2b but no such b in Z exists
so (root2) is proper ideal
Second must show x,y in Z[root2] s.t. x*y in (root2) implies x in
(root2) or y in (root2)
Suppose x, y in Z[root2], that is x = a+b*root2, y = c +d*root2

Discontinuity in the Gamma curve means Motion-Energy-Time jump

macromi...@yahoo.com (BURT) — Mon, 13 Oct 2008 21:54:45 UT

In momentum speed exchange of motion can be exchanged bewteen two
bodies switching their motion. To gain motion without going through
the speeds inbetween is a discontinuity that effects Gamma. A Gamma
exchange in momentum is a speed energy and time exchange.
Mitch Raemsch

Continuity

con...@lawyer.com (conrad) — Mon, 13 Oct 2008 19:57:00 UT

A function f(x) is said to be continuous
at a point c iff
lim_(x->c^-) f(x) = lim_(x->c^+) f(x) = lim_(x->c) f(x) = f(c)
What's implicit here is a kind of "local region"
that we go through as we approach 'c'
and as we approach 'c' we also go through
a "local reigion" of values along our
y-axis until we reach the limiting value,

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Re: map

qaz...@yahoo.com (kupier) — Mon, 13 Oct 2008 18:13:52 UT

any idea?

C[0,1] x C[0,1] is closed

solrac...@hotmail.com (Carl R.) — Mon, 13 Oct 2008 16:10:46 UT

Can you please help with the following problem?
Show that the subspace of all functions of the form f(x) + g(y) where
f,g are in (C[0,1],R) (that is the space of all continuous functions
from
[0,1] to the real numbers) is closed in (C[0,1] x C[0,1],R) with the
metric
d_infinity, i.e d_infinity = sup |f(x) - g(x)| x in X.

Impossible for a number multiplied by zero to equal zero

bo...@myself.com (Phantom scojocupcake) — Mon, 13 Oct 2008 16:01:17 UT

I've always wondered why any number multiplied by zero equals zero.
This makes no sense. Imagine the numerical value of four represents
four books.
You have four books on a table. You multiply them by zero books. How
many books remain on the table?
Yep, 4.
The numerical value of zero represents no books so 4 books

How do I convert a geocentric equatorial coordinate to a rectangular/Cartesian coordinate?

ownthe...@gmail.com (Ultrus) — Mon, 13 Oct 2008 15:52:22 UT

Hello,
I have a geocentric equatorial vector of x=1,y=2,z=3. How would I
convert this into a rectangular x,y,z vector to plot in a 3D rendering
program?
Thanks for the assist in advance! :)

first order

omar.hosse...@gmail.com (Student of Math) — Mon, 13 Oct 2008 14:46:04 UT

Hi,
I want to know why we cannot express omega={ {},{{}},{{},{{}}},...}
in a first order language?
If you know any references (in this case), please let me know.
I must post this to sci.logic but, I am more popular with sci.math.
Regards,
Omar Hosseiny

count n digit numbers

nikl...@gmail.com — Mon, 13 Oct 2008 13:52:40 UT

how many n digit numbers with each digit atmost 4 times in base 10. no
leading 0s.
i tried solving it with GFs but am getting wrong for evening n=2,3.
let the first digit be non zero say 5, now we can only choose 5
(0,1,2,3) times and other digits atmost (0,1,2,3,4) times.
The gf becomes
(1+x+x^2+x^3)*((1+x^2+x^3+x^4) ^9)

conjugacy separability

emath...@gmail.com (emath) — Mon, 13 Oct 2008 13:33:12 UT

Hi,
Does there exist a group such that conjugacy separable but not
subgroup separable?
Thanks for now.