«CONTRACTIBLE»に関連する英語の本
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1
An Introduction to Algebraic Topology
D A hemisphere is contractible but not convex, so that the converse of Theorem
1.7 is not true. After proving Theorem 1.6, we observed that Lemma 0.2 implies
that S" is not contractible. Exercises 1.1. Let x0,x,e* and let /J: X -* X for i = 0, ...
2
Lectures on Coarse Geometry
By way of variety, we give in this section a calculation of the coarse cohomology
for a uniformly contractible space, defined below. Depinition 5.24. Let X be a
proper coarse space. One says that X is uniformly contractible if for every
controlled ...
3
Contractible Chain Complexes for Dade's Invariant Conjecture ...
Jennifer M. Mogel. jective Conjecture, where we count characters that also lie
over characters of subgroups of the center of G. As this condition was not used in
this thesis, we leave it out of this discussion. 2.3 Contractible Chain Complex ...
4
Topological Fixed Point Theory of Multivalued Mappings
A space X is said to be locally contractible at a point x0 ∈ X provided for each ε >
0, there exists δ > 0 (δ < ε) and a homotopy h:[0,1] × B(x0 ,δ) → B(x0 ,ε) such that:
h(x,0) = x0 and h(x,1) = x, for every x ∈ B(x0 ,δ); in other words the ball B(x0 ,δ) ...
5
Introduction to General Topology
1.12 A space X is called contractible if the identity map Ix : X-> X is null-
homotopic. Prove that: (i) A contractible space is path connected. (ii) Every map
into or from a contractible space is null-homotopic (iii) A space is contractible iff it
is ...
If M is a metric space and has a metric in which M is starlike, then M is
contractible. Proof: Let p be the point and d the metric on M such that from each
point x in M there is a unique arc px congruent to an interval. Define a mapping h:
M X I1 ...
John G. Hocking, Gail S. Young, 2012
7
Lusternik-Schnirelmann Category
It is clear that Ji can be covered by two contractible open subsets: each subset is
equal to the union of a fattened hemisphere with two semi-circles containing the
basepoint. It also is obvious that Ji ~ J^ (see Exercise 3.5) and that Ji can be ...
8
Cellular Structures in Topology
Since X is contractible, it has the homotopy type of a CW-complex. Suppose there
is a CW-structure for X. The points (0,0) and (0, 1/n), for all neN\{0}, cannot be
interior points of open cells of dimension > 0, in view of the theorem of invariance
...
Rudolf Fritsch, Renzo Piccinini, 1990
9
The Infinite-dimensional Topology of Function Spaces
Y] denotes We say that [A', 1'] is trivial if it contains one point only (i.e., all
continuous functions from A' to 1' are homotopic and hence nullhomotopic). As
we will see, homotopic functions have much in common. A space X is called
contractible ...
10
Discrete Geometry for Computer Imagery: 13th International ...
In the case of assertion 6, if Xj = x, for some j =/= I, then the case M. = {1, . . . , k} \ {j
} of (*) implies that PU\J^=1 Xi is contractible, and so the hypotheses of assertion
6 are inconsistent with assertion 5. In other words, if assertion 5 is true then ...
Attila Kuba, László G. Nyúl, Kálmán Palágyi, 2006
用語«CONTRACTIBLE»を含むニュース項目
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How do babies learn to talk?
The last one to be added is the contractible auxiliary, which is the ability to turn "Mommy is driving the car" into "Mommy's driving the car. «Minnesota Public Radio News, 7月 15»
“Stop the Ride I Want to Get Off!
Sinclair: Part 1 and Part 2 of this interview described how contractible information exchanges can result in the emergence of intelligent buildings. That's a pretty ... «AutomatedBuildings.com, 5月 15»
Skunk Cabbage Provides Nature's Spring Perfume
In fact, the roots are “contractible,” and will dig themselves deeper into the ground year after year, making it almost impossible to pull out the ... «The Vineyard Gazette - Martha's Vineyard News, 5月 15»
PolyU wins top prizes in Geneva's Invention Expo
It is a “multi-able” entity (adjustable, expandable, contractible, and variable) which can solve the many problems of designing and fitting of ... «PR Web, 5月 15»
Tallgrass Energy GP, LP (TEGP) Announces May 7th IPO
... with 100% of its current contractible capacity secured by contracts with a weighted average remaining contract life of approximately 5 years ... «The Legacy, 5月 15»
Tallgrass Energy GP, LP (TEGP) Plans to Raise $900 Million in May …
... with 100% of its current contractible capacity secured by contracts with a weighted average remaining contract life of approximately 5 years ... «Dakota Financial News, 4月 15»
This Week: 'Full House' Gets A Reboot & 'People' Mag Names The …
... the medical concerns related to such a challenge, calling it “ridiculous” and even likening the look of the lips to “an illness that's contractible.”. «CBS Local, 4月 15»
S. Fla. Doctor Addresses Kylie Jenner Lip Challenge Trend
You're going for beauty and you're going to look like you have an illness that's contractible.” Always the “momager” Kris Jenner was ... «CBS Local, 4月 15»
Ebola actually gets worse, news for Merck cancer treatment gets …
Ebola may be contractible through sexual intercourse. That changes the game a bit. Big news for Merck's skin-cancer treatment Keytruda: it ... «MedCity News, 4月 15»
Girl on Girl: Safe is sexy
... but the virus is still contractible without being seen. By practicing safe sex, one reduces the probability of getting an STD or getting pregnant. «CU Independent, 4月 15»
