Examples of using Nonempty in English and their translations into Russian
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Let R be an associative ring and X,Y are nonempty subsets of R.
A nonempty path[math]P(u, u)[/math] is called a cycle or a closed walk.
X cannot be divided into two disjoint nonempty closed sets.
A birational map induces an isomorphism from a nonempty open subset of X to a nonempty open subset of Y. In this case, X and Y are said to be birational, or birationally equivalent.
The changes arein the identified peaks, the peaks with nonempty list of library lines.
The language of such a pattern is the set of all its nonempty ground instances i.e. all strings resulting from consistent replacement of its variable symbols by nonempty strings of constant symbols.
A topological space is said to be connected if it is not the union of two disjoint nonempty open sets.
The Hasse diagram of the subset relation on nonempty intersections of maximal cliques forms an oriented tree.
Suppose the sequence is x1,…,xN sorted in the increasing order and we wish to determine if there is a nonempty subset which sums to zero.
Note that any compact, connected, oriented surface with nonempty boundary in Euclidean 3-space is the Seifert surface associated to its boundary link.
Extending Chevalley's work, Michel Demazure andGrothendieck showed that split reductive group schemes over any nonempty scheme S are classified by root data.
If G is an undirected graph, and X is a set of vertices,then an X-flap is a nonempty connected component of the subgraph of G formed by deleting X. A haven of order k in G is a function β that assigns an X-flap β(X) to every set X of fewer than k vertices.
The order of a bramble is the smallest size of a hitting set,a set of vertices of G that has a nonempty intersection with each of the subgraphs.
An n× n{\displaystyle n\times n}matrix A is decomposable if there exists a nonempty proper subset I⊂{ 1,…, n}{\displaystyle I\subset\{1,\dots,n\}} such that a i j 0{\displaystyle a_{ij}=0} whenever i∈ I{\displaystylei\in I} and j∉ I{\displaystyle j\notin I.
Unsigned Lah numbers have an interesting meaning in combinatorics:they count the number of ways a set of n elements can be partitioned into k nonempty linearly ordered subsets.
Each nonempty subset of cycles has a vector sum that represents the boundary of the union of the bounded faces in the subset, which cannot be empty the union includes at least one bounded face and excludes the unbounded face, so there must be some edges separating them.
A well-order is linear order where every nonempty subset has a least element.
The wireless sensor networks that are the target of greedy embedding algorithms are frequently modeled as unit disk graphs, graphs in which each node is represented as a unit disk andeach edge corresponds to a pair of disks with nonempty intersection.
Streinu and Theran generalize the sparsity conditions defining pseudoforests: they define a graph as being(k,l)-sparse if every nonempty subgraph with n vertices has at most kn- l edges, and(k, l)-tight if it is(k, l)-sparse and has exactly kn- l edges.
For each circular interval L in Λ we add a new vertex vL that joins to zero or more of the vertices in L. Finally, for each pair{L, M} of intervals in Λ, we may add an edge joining vL to vM provided that L andM have nonempty intersection.
An ear decomposition of a matroid is defined to be a sequence of circuits of the matroid, with two properties:each circuit in the sequence has a nonempty intersection with the previous circuits, and each circuit in the sequence remains a circuit even if all previous circuits in the sequence are contracted.
For each finite subgraph F of G, let XF be the subset of X consisting of assignments of colors that validly color F. Then the system of sets XF is a family of closed sets with the finite intersection property,so by compactness it has a nonempty intersection.
Second, since D must be nonempty, each i∈ I is adjacent to a vertex in D. Conversely, let D be a dominating set for G. Then it is possible to construct another dominating set X such that|X|≤|D| and X⊆ I: simply replace each u∈ D∩ U by a neighbour i∈ I of u.
We will consider regions in R d{\displaystyle{\mathbb{R}}^{d}} that are well-behaved,in the sense that a region is a nonempty compact subset that is the closure of its interior.
An affine plane geometry is a nonempty set X(whose elements are called"points"), along with a nonempty collection L of subsets of X(whose elements are called"lines"), such that: For every two distinct points, there is exactly one line that contains both points.
In particular, in median graphs, the convex subgraphs have the Helly property: if a family of convex subgraphs has the property that allpairwise intersections are nonempty, then the whole family has a nonempty intersection.
The sparsification lemma is proven by repeatedly finding large sets of clauses that have a nonempty common intersection in a given formula, and replacing the formula by two simpler formulas, one of which has each of these clauses replaced by their common intersection and the other of which has the intersection removed from each clause.
For instance, the open intervals of the real line satisfy the Helly property for finite subcollections, but not for infinite subcollections: the intervals(0,1/i)(for i 0, 1, 2,…)have pairwise nonempty intersections, but have an empty overall intersection.
The family of chordal graphs may be defined inductively as the graphs whose vertices can be divided into three nonempty subsets A, S, and B, such that A∪ S and S∪ B both form chordal induced subgraphs, S is a clique, and there are no edges from A to B. That is, they are the graphs that have a recursive decomposition by clique separators into smaller subgraphs.
For instance, the property of having a Hamiltonian cycle may be expressed in MSO2 by describing the cycle as a set of edges that includes exactly two edges incident to each vertex, such that every nonempty proper subset of vertices has an edge in the cycle with exactly one endpoint in the subset.