Factbites
 Where results make sense
About us   |   Why use us?   |   Reviews   |   PR   |   Contact us  

Topic: T0 space,


Related Topics

In the News (Fri 10 Feb 12)

  
  NationMaster - Encyclopedia: T0 space   (Site not responding. Last check: 2007-10-10)
This constructs a quotient space of the original seminormed vector space, and this quotient is a normed vector space.
Topological spaces X and Y are Kolmogorov equivalent iff their Kolmogorov quotients are homeomorphic.
From the point of view of topology, the seminormed vector space that we started with has a lot of extra structure; for example, it is a vector space, and it has a seminorm, and these define a pseudometric and a uniform structure that are compatible with the topology.
www.nationmaster.com /encyclopedia/T0-space   (1409 words)

  
 PlanetMath: T0 space
space is the Sierpinski space, which is not
Cross-references: Sierpinski space, open set, axiom, topological space
This is version 8 of T0 space, born on 2002-02-08, modified 2002-02-09.
planetmath.org /encyclopedia/T0Space.html   (57 words)

  
  Regular space
X is a regular space iff, given any closed set F and any point x that does not belong to F, there are a neighbourhood U of x and a neighbourhood V of F that are disjoint.
On the other hand, spaces that are regular but not completely regular, or preregular but not regular, are usually constructed only to provide counterexamples to conjectures, showing the boundaries of possible theorems.
Suppose that A is a set in a topological space X and f is a continuous function from A to a regular space Y.
www.ebroadcast.com.au /lookup/encyclopedia/t3/T3_space.html   (917 words)

  
 Topology glossary
All spaces in this glossary are assumed to be topological spaces.
A space is regular if whenever C is a closed set and p is a point not in C, then C and p have disjoint neighbourhoods.
A Hausdorff space is Tychonoff if whenever C is a closed set and p is a point not in C, then C and p are functionally separated.
www.ebroadcast.com.au /lookup/encyclopedia/lo/Local_base.html   (1004 words)

  
 T1 space - Wikipedia, the free encyclopedia
Let X be a topological space and let x and y be points in X.
space is necessarily discrete (since every set is closed).
Sierpinski space is a simple example of a topology that is T
en.wikipedia.org /wiki/T1_space   (945 words)

  
 Kolmogorov space - Wikipedia, the free encyclopedia
This constructs a quotient space of the original seminormed vector space, and this quotient is a normed vector space.
From the point of view of topology, the seminormed vector space that we started with has a lot of extra structure; for example, it is a vector space, and it has a seminorm, and these define a pseudometric and a uniform structure that are compatible with the topology.
And it is a Hilbert space that mathematicians (and physicists, in quantum mechanics) generally want to study.
en.wikipedia.org /wiki/T0   (1202 words)

  
 Toward a Rational Space   (Site not responding. Last check: 2007-10-10)
Space power advocates, in turn, could benefit from the cross-pollination of war-fighting experience that is currently the domain of aviators.
Space, despite unsubstantiated claims to the contrary, is not the perfect medium for the propagation of directed-energy weapons.
The STS was to have consisted of three parts: (1) a two-stage, fully reusable space shuttle that hauled cargo and fuel to (2) a low-earth orbit space station where (3) an orbital-transfer vehicle (OTV) transferred satellites from the space station to final orbit.
www.airpower.maxwell.af.mil /airchronicles/apj/alan.html   (6779 words)

  
 THE FOUNDATIONS OF SPECIAL RELATIVITY AND
Objects exist "in" space and time and are defined as space functions of time "associated" with a mass; that is, it is in the existence of objects that space and time find a correspondence.
Space, time, mass, and object are taken as fundamental realities in terms of which other concepts such as velocity, etc. are defined.
Thus, between reversals of the nonspace, space and time are identical in magnitude, and the mass is defined by this space or time magnitude.
www.transbay.net /~istein/physics/RelStein.html   (4380 words)

  
 Ordinary Differential Equations: Chaotic Systems
(N)) is referred to as the phase space and N determines the dimension of the phase space.
The path in phase space followed by the system as it evolves with time is called the orbit or trajectory.
This is further revealed by plotting the bifurcation diagram at the Poincaré section as a function of c.
chaos4.phy.ohiou.edu /~thomas/chaos/ode.html   (1287 words)

  
 Math Forum Discussions
>> the restriction that the space be locally convex.
However do note, regular with T0 or T1 >does imply Hausdorff which all metrizable spaces must be, as well as
The Math Forum is a research and educational enterprise of the Drexel School of Education.
www.mathforum.com /kb/message.jspa?messageID=3408216&tstart=0   (248 words)

  
 oO_kwEena's Xanga Site   (Site not responding. Last check: 2007-10-10)
and if i were t0 do that, i w0uldn't be stupid en0ugh to check ur xanga wif that gay ass xanga username kn0win' y0u/alm0st every0ne has xtracker.
we were getting pissed, i was g0ing t0 bitch--but i didn't because the driver with the bad sense 0f directi0n was mad already.
it was t00 big on me, so i went back there t0 exchange b0th the sweater and the skirt, `k0z they were supposed t0 match, but since the skirt doesn't fit, i see n0 use of the sweater.
www.xanga.com /oO_kwEena   (1443 words)

  
 FAH Excerpt: Separation   (Site not responding. Last check: 2007-10-10)
The two entries in each row of the chart are closely related: a space satisfies the condition in the left column if and only if the space is Kolmogorov and satisfies the condition in the right column in the same row.
spaces, but the abstract theory can be developed more clearly if we classify properties according to the various axioms in the chart.
This book considers the non-Hausdorff case as well, because one of the best ways to describe a weak topology on a topological vector space (generally Hausdorff, in applications) is as the supremum of a collection of pseudometric topologies (each of which is not Hausdorff).
www.math.vanderbilt.edu /~schectex/ccc/excerpts/separat.html   (481 words)

  
 Separation Axioms   (Site not responding. Last check: 2007-10-10)
space if for every point a and closed set B there exist disjoint open sets which separately contain a and B. That is, points and closed sets are separated.
The Zariski topology on a vector space (whose closed sets are the intersections of zeroes of polynomials on the coordinates of the vector space) is T
space if for every pair of closed sets A and B there exist disjoint open sets which separately contain A and B. That is, points and closed sets are separated.
www.math.toronto.edu /jjchew/math/topology/separation.html   (355 words)

  
 Generic Spaces
In any space, the closure of a point x is an irreducible closed set.
Any space s can be transformed into a generic space by building a space t, where the points of t are the irreducible closed sets of s.
Let c be the category of topological spaces and continuous maps, and let g be the category of generic spaces and continuous maps.
www.mathreference.com /top-dim,generic.html   (1139 words)

  
 Inflation of a Schwarzschild space and the fractal universe - discussed on AstronomyToday
Inflation of a Schwarzschild space and the fractal universe
The matter M is homogeneous spread in the Schwarzschild space whit radius R. We begin on time zero t0 of these Schwarzschild space.
When that space doesn’t expand, and when the particles don’t bump each other, the speed of the particles will be the speed of light on t = 2r/c.
www.astronomytoday.com /forum/about456.html   (1253 words)

  
 Boolean Algebra
Space of prime ideals P of lattice L.
Each bounded distributive lattice is represented as the lattice of compact open sets of its spectrum, a coherent space.
Each Boolean algebra is represented as the algebra of clopen sets of its spectrum, a coherent Hausdorff space.
orion.math.iastate.edu /jdhsmith/class/M567Defn.htm   (758 words)

  
 [No title]
The question whether there always exists a compatible nontransitive totally bounded quasi-uniformity for infinite "nice" spaces originated when the second and third authors were working on problems related to the semilattice of totally bounded quasi-uniformities that a topological space admits [KL2].
To see this, recall for instance that each compact Hausdorff space admits a unique uniformity, which is transitive if and only if the space is (strongly) zero-dimensional.
So even the problem whether each infinite compact zero-dimensional Hausdorff space admits a nontransitive totally bounded quasi-uniformity is nontrivial and its positive solution evidently needs a truely nonsymmetric approach.
at.yorku.ca /i/a/a/i/03.htm   (622 words)

  
 The Uncaused Beginning of the Universe (1988)
is not in a 3-d space; it is in a space either of 0 dimensions (if it is just one point), 1 dimension (if it is a series of points constituting a line or line segment) or 2 dimensions (if it is a series of points comprising a surface-like space).
Given that, we can note that the classical notions of space and time and all known laws of physics (since they are formulated on a classical space-time background) break down at the singularity, and consequently it is impossible to predict what will emerge from the singularity.
Tryon argues that the universe is able to be a fluctuation from a vacuum in a larger space in which the universe is embedded since it does have a zero net value for its conserved quantities.
www.qsmithwmu.com /the_uncaused_beginning_of_the_universe_(1988).htm   (7386 words)

  
 Orbital categories
Orbits with apogees beyond the lunar sphere of influence are strongly affected by lunar gravity, and are lumped with deep space probes.
The mesopause is actually typically at 85-90km; I adopt 80 km to be generous and to match the 1960s USAF definition of space.
The D layer of the ionosphere is 75-95 km; E-layer is 95-150 km; F layer is 150 and above.
www.planet4589.org /space/log/orbits.html   (534 words)

  
 Gamasutra Feature "Refractive Texture Mapping, Part One" Printer Friendly Article
As in 3D space, the reflected ray has three values (X, Y, Z) and the texture mapping is a 2D entity, the values need to be transformed in some way to generate the final UV coordinates.
This is because the mesh vertices are in world space (in the sample program), and the vectors from camera to the mesh vertices (incident rays) are also in world space.
In case you need the object (mesh) to be in object space, you must transform it into world space before applying the calculations.
www.gamasutra.com /features/20001110/oliveira_pfv.htm   (2002 words)

  
 PHYSICAL CONSTANTS AND EVOLUTION OF THE UNIVERSE
The model is described by a metric in which the speed of light depends on time and the radius of the curvature of three-dimensional space remains constant (c-metric).
In GRT the space scale may be dependent on space and time, but the time-scale is unchanged.
The above calculations show that at the initial moment the Universe was a closed space with almost the same dimensions or equal to the present one, filled by the electromagnetic radiation, having practically large temperature and the speed of propagation.
www.ldolphin.org /troitskii   (6986 words)

  
 PhysOrgForum Science, Physics and Technology Discussion Forums -> Intrinsic Properties of Particles
Changing shape is equivalent to changing polarisation, and this is equivalent to an acceleration, which requires additional energy (except in the case where circular motion results from a charge moving across a magnetic field).
This is the factor by which the free photon is shrunk by the magnetic pinch effect to become a condensed photon.
Exceptions to this useage are neccessary because some physical constants already use the (0) subscript, and the Compton and photon parameters share the (1) subscript for frequency f1, period t1, and radius r1.
forum.physorg.com /index.php?showtopic=1030   (6953 words)

  
 Lightwave tents and rucksacks: t0 trek xt
The t0 trek xt is a one-person tunnel tent that uniquely features an extended vestibule.
Most solo camping tents are very short on storage space; the t0 trek xt solves this problem without incurring a significant weight penalty — it is still substantially lighter than any small two-person tent.
The t0 trek xt is a four-season tent suitable for most climates and regions, although in extreme conditions secure pitching and anchoring are obviously imperative.
www.lightwave.uk.com /en/tent_t0trekxt.php   (322 words)

  
 Separation Axioms   (Site not responding. Last check: 2007-10-10)
Thus every space can be crunched down to a space that is half Hausdorff.
Let a space consist of two points, x and y, with open sets (), (y), and (xy).
We're getting a head of ourselves, but let's say you know what a metric space is. Let g and h be disjoint closed sets in a metric space.
www.mathreference.com /top,sep.html   (484 words)

  
 When does the 0-dimensional Reflection Preserve Products? by Andrej Bauer
We say that a topological space is zero-dimensional when the collection of its clopen (closed and open) subsets forms a basis for its topology.
Consider the category of equilogical spaces [1], originally defined by Dana Scott, which is a cartesian closed extension of the category of T
is isomorphic to the space of continuous real functions with the compact-open topology.
at.yorku.ca /q/a/a/a/19.htm   (545 words)

  
 Wetenschapsforum.nl :: Inflation of a Schwarzschild space and the fractal universe   (Site not responding. Last check: 2007-10-10)
Wetenschapsforum.nl :: Inflation of a Schwarzschild space and the fractal universe
Op het moment t0 was er nog geen ruimtekromming aanwezig in deze Schwarzschildruimte.
Na t0 begint de ruimtekromming van elk deeltje in deze ruimte zich voort te planten.
wetenschapsforum.nl /viewtopic.php?t=35712   (3886 words)

  
 MIPS Examples
".space 64" then sets aside 64 bytes for use of whatever purpose we want, the first byte of which may be referenced by the label "theString:", which appears on the line before.
Note that this space set aside includes the terminating null '\0' character, so it will actually read only up to 63 characters from the buffer when the syscall executes.
The ".space" directive reserves a section of free space in a size given by bytes.
www.cs.cornell.edu /w8/~tomf/notes/cps104/mips.html   (1984 words)

  
 Threadless T-Shirts - 2nd attempt t0 cross a Giant Squid and a Gorilla
Threadless T-Shirts - 2nd attempt t0 cross a Giant Squid and a Gorilla
I thought long and hard about creating somekind of mouth for my creation, but a squid-like beak made it too squidy and an ape-like mouth made it too boring looking.
I thought that text overlaid, with the white space creating a kind of weird opening was quite an original angle.
www.threadless.com /submission/84341/2nd_attempt_t0_cross_a_Giant_Squid_and_a_Gorilla/showmore,designs   (227 words)

Try your search on: Qwika (all wikis)

Factbites
  About us   |   Why use us?   |   Reviews   |   Press   |   Contact us  
Copyright © 2005-2007 www.factbites.com Usage implies agreement with terms.