Isotopy   (translated from Russian)
Isotopy Isotopy - homotopy of the topological space &.lt;.matyu ... Connected determinations Covering (or ob"emlyushchey) by isotopy for the isotopy of &.lt;.matyu&.gt;.f_.t:X ... to Y&.lt;/.math&.gt; nazyvetsya the isotopy of the space of &.lt;.matyu&. ...
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User:Isotopy
User:Isotopy User:Isotopy
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Small Latin squares and quasigroups
... and b. Thus there is only one isotopy class. Each can be taken as a ... the rows. Thus there is only one isotopy class. Each of the 12 is a ... are the same. Thus there are 2 isotopy classes. Each of the 576 is the ... ditto border column, 144 for the first isotopy class and 432 for the second. To ... are 16 cases: 4 in the first isotopy class: 4 versions of the Klein ...
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Latin square
... Latin squares is divided into subsets, called isotopy classes, such that two squares in the ... Each main class contains up to 6 isotopy classes. The number of Latin squares There ... 11 5363937773277371298119673540771840 776966836171770144107444346734230682311065600000 For each n, each isotopy class (sequence A040082 in OEIS) contains up ... contains either 1, 2, 3 or 6 isotopy classes. Equivalence classes of Latin squares n main classes isotopy classes 1 1 1 2 1 ...
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Quasigroup
... identity elements (if they exist). Homotopy and isotopy Let Q and P be quasigroups. A ... which the three maps are equal. An isotopy is a homotopy for which each of ... quasigroups are isotopic if there is an isotopy between them. In terms of Latin squares, an isotopy (α, β, γ) is given by a ... element set γ. An autotopy is an isotopy from a quasigroup to itself. The ...
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Homotopy
... It is usefull when dealing with cofibrations. Isotopy In case the two given continuous functions ... This gives rise to the concept of isotopy, which is a homotopy H in the ... example in knot theory - the idea of isotopy is used to construct equivalence relations. For ... correspond to a path of homeomorphisms: an isotopy starting with the identity homeomorphism of three ...
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Homotopy   (translated from French)
... them groups of homology and of cohomology... Isotopy isotopy is a refinement of homotopy; if two ... H(x, t) \, \!. The concept of isotopy is in particular important in théorie of ...
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Talk:Whitehead manifold
... I'm guessing you are picturing an isotopy, which is different. Remember that in a ... be one to one, whereas for an isotopy it does. So once you allow the ... right, I was thinking in terms of isotopy rather than homotopy. Another way to make ...
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Homeomorphism
... too big, but by means of the isotopy relation, one can reduce this group to ... when cutting and regluing are required) an isotopy between the identity map on X and ... theory) (closely related to graph graph subdivision) isotopy mapping class group
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Theory of the braids   (translated from French)
... touching at the ends. The relation of isotopy on T_n is a relation ... maths>T_n by the relation of isotopy one obtains a structure of group on ...
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