Examples of using Morphism in English and their translations into Russian
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Varying degrees of morphism edit.
Dually, a universal morphism from U to X is a terminal object in U↓ X.
Key words: category,object, morphism, algorithm.
A morphism of presheaves is defined to be a natural transformation of functors.
Key words: category,object, morphism, page, algorithm.
In the terminology of category theory,a structure-preserving map is called a morphism.
A distributive category is one in which this morphism is actually an isomorphism.
A zero morphism is one that is both a constant morphism and a coconstant morphism. .
A groupoid is a category in which every morphism is an isomorphism.
Every morphism in a concrete category whose underlying function is surjective is an epimorphism.
A special case is a birational morphism f: X→ Y, meaning a morphism which is birational.
The terminal object is the terminal category ortrivial category 1 with a single object and morphism.
This contraction morphism is sometimes called a blowdown, which is the inverse operation of blowup.
His work reinterprets Riemann-Roch not as a theorem about a variety, but about a morphism between two varieties.
Every zero morphism can be factored through 1, i. e., f: G→ 1→ H. More generally, suppose C is any category with a zero object 0.
In mathematics, a hyperelliptic surface, or bi-elliptic surface, is a surface whose Albanese morphism is an elliptic fibration.
If C is a preadditive category,then every morphism set Mor(X, Y) is an abelian group and therefore has a zero element.
Since any morphism in this category is an isomorphism this category is a groupoid, called the fundamental groupoid of X. Loops in this category are the endomorphisms all of which are actually automorphisms.
The definitions of limits and colimits can then be restated in the form:A limit of F is a universal morphism from Δ to F. A colimit of F is a universal morphism from F to Δ.
Another graph morphism m: L→ G{\displaystyle m\colon L\rightarrow G} models an occurrence of L in G and is called a match.
Grothendieck duality theory includes generalizations to any coherent sheaf and any proper morphism of schemes, although the statements become less elementary.
A universal morphism from an object X to a functor U can be defined as an initial object in the comma category X↓ U.
Let G: D→ C be a functor and let X be an object of C. Then(A, φ)is a universal morphism from X to G if and only if(A, φ) is a representation of the functor HomC(X, G-) from D to Set.
There is a morphism from G to the multiplicative group Gm taking x+ y√a to its norm x2- ay2, and the kernel is the subgroup of elements of norm 1.
In Cartesian closed categories, a"function of two variables"(a morphism f: X×Y→ Z) can always be represented as a"function of one variable" the morphism λf: X→ ZY.
This map is the identity on E( F q){\displaystyle E(\mathbb{F}_{q})} and one can extend it to the pointat infinity O{\displaystyle O}, making it a group morphism from E( F q¯){\displaystyle E({\bar{\mathbb{F}_{q}}})} to itself.
For each object Y in D,(G(Y), εY)is a terminal morphism from F to Y. That is, for all g: F(X)→ Y there exists a unique f: X→ G(Y) for which the following diagrams commute.
The category of sheaves of abelian groups on a topological space X is an abelian category, andso it makes sense to ask when a morphism f: B→ C of sheaves is injective(a monomorphism) or surjective an epimorphism.
Then An initial object I in C is a universal morphism from• to U. The functor which sends• to I is left adjoint to U. A terminal object T in C is a universal morphism from U to•.
A coherent sheaf is always an OX-module of finite presentation,meaning that each point x in X has an open neighborhood U such that the restriction F|U of F to U is isomorphic to the cokernel of a morphism OXn|U→ OXm|U for some natural numbers n and m.