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Topic: Normal space


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In the News (Mon 22 Jul 19)

  
  Paracompact space
is a new cover of the same space such that every set in the new cover is a subset of some set in the old cover.
The most important feature of paracompact Hausdorff spaces is that they are normal and admit partitions of unity relative to any open cover.
For instance, the integral of differential forms on paracompact manifolds is first defined locally (where the manifold looks like Euclidean space and the integral is well known), and this definition is then extended to the whole space via a partition of unity.
www.ebroadcast.com.au /lookup/encyclopedia/pa/Paracompact_space.html   (770 words)

  
 Normal space - Wikipedia, the free encyclopedia
In particular, the Stone-Cech compactification of a Tychonoff space is normal Hausdorff;
Sierpinski space is an example of a normal space that isn't regular.
A non-normal space of some relevance to analysis is the topological vector space of all functions from the real line R to itself, with the topology of pointwise convergence.
en.wikipedia.org /wiki/Normal_space   (1053 words)

  
 PlanetMath: separation axioms
The separation axioms are additional conditions which may be required to a topological space in order to ensure that some particular types of sets can be separated by open sets, thus avoiding certain pathological cases.
spaces in the way we defined normal spaces (and vice-versa); there is no consensus on this issue.
See Also: normal, Hausdorff space not completely Hausdorff, Sierpinski space, metric spaces are Hausdorff, zero dimensional, Hausdorff space, regular space,
planetmath.org /encyclopedia/Normal8.html   (509 words)

  
 Wikinfo | Topological space
The category of all topological spaces, Top, with topological spaces as objects and continuous functions as morphisms is one of the fundamental categories in all mathematics.
A space carries the trivial topology if all points are "lumped together" in the sense that there are only two open sets, the empty set and the whole space.
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.
www.wikinfo.org /wiki.php?title=Topological_space   (2014 words)

  
 Space Technology
Space warping was an old concept but it was first proven as a reality in a real test under Aries National University Laboratories test ship the USS Argo.
Space fold systems were first developed in the 37th century as a mixing of a large collection of alien technologies and theories.
Space became very cheap, and the once expensive colonial operation that had caused Mars to revolt in the 22nd century was now dirt cheep.
www.stonesuniverse.com /technology/space.html   (3974 words)

  
 PlanetMath: Chu space
Using these definitions, a Chu space can be represented using a matrix.
A Chu space which is both separable and extensional is biextensional.
This is version 3 of Chu space, born on 2002-09-30, modified 2003-09-04.
planetmath.org /encyclopedia/Normal3.html   (112 words)

  
 Wikinfo | Normal
In abstract algebra (in particular, group theory): a normal subgroup is a subgroup that is invariant under conjugation.
In functional analysis: a normal operator is a linear operator on a Hilbert space that commutes with its adjoint.
In topology: a normal space is a topological space in which disjoint closed sets can be separated by neighborhoods.
www.wikinfo.org /wiki.php?title=Normal   (455 words)

  
 Normal Space
When I started plotting out Normal Space as a ‘gallery’ (wall), one of my first thoughts was “What do I do with my door?” Obviously I didn’t want to leave it on the hinges, and subsequently loose 3ft.
Nick Normal is a truck stop in the process of printing and building a large structure with the ideals and rules of Le Corbusier.
Normal Space is an alternative exhibition space inside the studio of artist Nick Normal, housed at Flux Factory in Long Island City, Queens, USA.
www.nicknormal.com /normalspace   (2750 words)

  
 A Qestion Of Physics
Multi-dimensional travel is also possible from sub space, but the power requirements are high enough that star ships of less than light cruiser class probably cannot accomplish such attempts at forming multi-dimensional portals without the use of magic.
Sub space cannot be reached through the same means as yet and, generally these cultures are not even aware of the existence of sub space.
Note: Flux space is a mystical Dimension and does not conform to either conventional physics or the advanced systems of physics associated with the other layers of space time.
www.geocities.com /phellan_malthus/Rules/SpaceTime.html   (494 words)

  
 MR Imaging of Normal Perivascular Space Expansion at Midbrain -- Saeki et al. 26 (3): 566 -- American Journal of ...
Multiple ovoid and round PV spaces are visible between the cerebral peduncle and substantia nigra and in the cerebral peduncle.
Ovoid and linear PV spaces are visible between the cerebral peduncle and substantia nigra and in the cerebral peduncle.
Cystic dilatation of Virchow-Robin spaces in the midbrain.
www.ajnr.org /cgi/content/full/26/3/566   (2663 words)

  
 Object Space Normal Mapping Tutorial
Another main disadvantage to not using tangent space is that you can't use a detail normal map for fine close-up detail in addition to the one that approximates the high resolution mesh.
What the ATI normal mapper does is cast a ray from each texel on the low-res model, find the ray's intersection with the high-res model, and save in a texture map the normal from the high-res model where the ray intersects.
Texture1 is the normal map texture and Texture0 is the diffuse texture (sometimes referred to as the 'skin texture'.) The R,G,B components of the normal map, which represent the x,y,z of the model normal at that texel, are dot-producted with the light vector which is sent in as the primary color component for each vertex.
www.3dkingdoms.com /tutorial.htm   (3733 words)

  
 normal map???? - GameDev.Net Discussion Forums   (Site not responding. Last check: 2007-10-11)
A normal map stored in such a texture has to be translated to the so-called tangent space, which is a seperate coordinate system per vertex.
Object space normal maps probably are defined in object space for the whole object, so they don't need the translation to tangent space, but I've never seen these used before.
Object space normals as far as I know (but I've never really looked in them so take this with some salt) were used for NV1x products and are not reccomanded anymore, usually because they take much more memory.
www.gamedev.net /community/forums/topic.asp?topic_id=418648   (770 words)

  
 White-Space - Cascading Style Sheets Properties
'Normal' is the inherent value for most HTML elements, with the exceptions having their own tags to create special behavior.
Occurrences of carriage returns, linefeeds and multiple spaces are treated as a single space.
Selector content with a property value of 'nowrap' collapse multiple carriage returns/linefeeds and multiple spaces to a single space, but linebreaking is not controlled by the browser.
www.blooberry.com /indexdot/css/properties/text/whitespace.htm   (378 words)

  
 Text
The spacing is the normal spacing for the current font.
When the resultant space between two characters is not the same as the default space, user agents should not use ligatures.
Note that there are two spaces between A and B, and none between B and C. This can sometimes be avoided by using the natural bidirectionality of characters instead of explicit embedding levels.
www.w3.org /TR/CSS21/text.html   (2022 words)

  
 Doom 3 normal mapping, object or tangent? - Beyond3D Forum
On dynamic geometry, you have to find the transform from the old object space to the new object space, which I suppose can be done in pretty much the same way as tangent-space.
CPU skinning, shadow generation, and tangent space reconstruction are the parts of Doom that take up significant time in timedemos, but there is a lot of driver overhead as well.
If part of your world is known to exist in tangent space it's a reasonable assumption that the rest would be stored in tangent space also where possible to simplify processing.
www.beyond3d.com /forum/showthread.php?t=12991   (804 words)

  
 China's maiden space flight normal
After a textbook launch, Chinese space scientists on Wednesday undertook several experiments and a crucial manoeuvre to prepare for their first manned spacecraft's scheduled return to Earth on Thursday.
He told his son that the sight of Earth from outer space was very "beautiful" and that he had recorded all that he had seen.
Although the historic occasion was not telecast live, a recorded picture showed a long white trail of smoke against the clear blue sky.
www.rediff.com /news/2003/oct/15china1.htm?zcc=rl   (321 words)

  
 Calculus III (Math 2415) - 3-Dimensional Space - Tangent, Normal and Binormal Vectors   (Site not responding. Last check: 2007-10-11)
The unit normal is orthogonal (or normal) to the unit tangent vector and hence to the curve as well.
The binormal vector is orthogonal to both the tangent vector and the normal vector.
The unit normal vector will now require the derivative of the unit tangent and its magnitude.
tutorial.math.lamar.edu /AllBrowsers/2415/TangentNormalVectors.asp   (528 words)

  
 The Retrotracheal Space: Normal Anatomic and Pathologic Appearances -- Franquet et al. 22 (Supplement 1): 231 -- ...
This space extends from the thoracic inlet superiorly to the aortic arch inferiorly and is bounded posteriorly by the spine.
The anterior edge of the scapula (arrow) projects over the space and may sometimes be misidentified as the posterior border of the retrotracheal space (arrowheads).
Normal and abnormal vascular structures that simulate neoplasms on chest radiographs: clues to the diagnosis.
radiographics.rsnajnls.org /cgi/content/full/22/suppl_1/S231   (5420 words)

  
 Space station gets free boost from shuttle - Human Spaceflight - MSNBC.com   (Site not responding. Last check: 2007-10-11)
Far from causing the 200-ton space station to lose altitude, the space shuttle has actually pushed up the station’s flight path by almost a mile since it docked there late last week.
During normal cruise mode, the station is hitting the very thin air at its height of 220 miles (350 kilometers).
Normal space practice is for docked visiting spacecraft to fire their own rocket engines to push the station back up, every few months.
msnbc.msn.com /id/8814642   (660 words)

  
 Rules Instructions Space Hop Board Game Teaching Concepts
SPACE HOP DECODER: In the event that a player is uncertain of their correct destination, they may use the Space Hop Decoder to obtain this information.
To use the Space Hop Decoder, the player notes the code letter and number of their Mission and adjusts the Decoder so the letter and number combination appears in the window marked "Code".
They roll one die and move their space craft to the Space Portal with the number which matches the number on the die.
www.smorgasboardofgames.com /FreeRules/FREERULESSpaceHop73.html   (917 words)

  
 Normal Space Commercial Cooperation Between China and US
Normal Space Commercial Cooperation Between China and US Normal Space Commercial Cooperation Between China and US Must Not Be Jeopardized
If China could succeed in developing its missiles, launch vehicles and satellites under the very backward economic and technical conditions of the 1950s and 1960s, it is entirely within its capacity to investigate and resolve its launch failures and improve its technology self-reliantly.
Such a normal commercial activity in the high-tech field serves the national security, political and economic interests of both countries.
www.fas.org /news/china/1999/990107-prc-lv.htm   (1750 words)

  
 Dominant Space
When a Dominant is in normal space there is often a sensation of being in neutral or coasting.
The emotional detachment and altered responses allow the Dominant to take actions or 'play' with their submissive in ways they would have difficulty with in 'normal space.' It is important to note here that scening excites a Dominant, that excitement and the attached levels of danger pump chemistries into the Dominant's blood stream.
This energy is as euphoric for the Dominant as it is for the submissive with one PROFOUND difference, part of the intensity that the Dominant feels is because of the mental compression necessary to maintain tight physical and mental control throughout the scene until it builds into a final crescendo.
www.angelfire.com /md2/domsub/domspace.html   (896 words)

  
 Space/Cthulhu Role-Playing Campaign: Technology
To anyone outside the sphere (which is usually several millions of miles across) the area becomes a fl hole, a sphere of empitness in the universe.
The primary difference between normal space and s-space is the reversal of electromagnetism and gravity.
If a ship is moving faster than the speed of light when the s-space bubble collpases, it will appear in normal space moving at 0.99c.
www.darkshire.net /jhkim/rpg/spacecthulhu/technology.html   (805 words)

  
 headus (metamorphosis) - Killeroo 3D Scan - SUBD Displaced Normal Maps Sample
In plain english, the dense polymesh surface normal, encoded into the normal map by CySlice, is rotated into current world space and replaces the surface normal calculated by the renderer.
The fact that its a texture space normal map means that, even though surface changes shape during animation, the same map can be used; object space normal maps are invalidated once the object changes shape.
If a normal map is defined there's no need to recalculate the normal; it'll be replaced in the surface shader anyway, but also we need the unmodified normal for correct construction of the texture space matrix (see above).
www.headus.com /au/samples/disp-norm-rib/index.html   (608 words)

  
 Light vectors in tangent space - GameDev.Net Discussion Forums
I implimented some normal mapping the way it was presented in all the tutorials I read, which is to use tangent and bi-normal vectors to transform the normal from the map from tangent space to world space, and it worked just fine.
Depending on how you generated the tangent space, and what type of vector you are interpolating it may or may not be 100% accurate.
Next is the same for the normals for the world surfaces (in tangent space), then alpha blend decals' normals, then copy offscreen.
www.gamedev.net /community/forums/topic.asp?topic_id=295315   (1795 words)

  
 China's manned space flight "normal" but return subject to weather
China's second manned space flight is going smoothly but weather conditions at the landing site will determine the timing of its return, state media and space experts said Friday.
Wu Guoting, a senior researcher with the China Research Institute of Space Technology, told Xinhua news agency that the timing will be decided according to weather conditions at the main landing area in Siziwang Banner, Inner Mongolia.
The flight is China's second-ever manned space mission following the historic Shenzhou V, which in October 2003 made China the third nation after the former Soviet Union and the United States to put a man in space.
www.spacedaily.com /2005/051014054647.lmpd76hd.html   (559 words)

  
 A.P. Kombarov
Recall that a space is said to be pseudonormal if every countable closed subset has arbitrarily small closed neighborhoods.
A space is called to have property D [4] if every countable closed discrete set has arbitrarily small closed neighborhoods.
The exponential space \exp(X) is the set of all non-empty closed subsets of X with Vietoris (finite) topology.
www.utm.edu /staff/jschomme/topology/c/a/a/h/55.htm   (697 words)

  
 tangent vs object vs world (normal maps) - Halflife2.net
tangent space normals are a bitch to generate without screwing up.
But then with object space, you can generate a quick automatic UV map, discontinuous, and the result looks far better and more natural looking than a tangent space map.
Because right now, I would be happy to stick with object space, having yet to get a tangent space normal map to look like it should, even with perfect UV mapping it seems to fall apart on anything more than being used for flat brush textures.
www.halflife2.net /forums/showthread.php?t=81018   (592 words)

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