Results 41 to 50 of about 147,491 (227)
Teaching Combinatorial Principles Using Relations through the Placemat Method
Mathematics, 2021 The presented paper is devoted to an innovative way of teaching mathematics, specifically the subject combinatorics in high schools. This is because combinatorics is closely connected with the beginnings of informatics and several other scientific ...
Viliam Ďuriš +3 more
doaj +1 more source
Combinatorics of embeddings [PDF]
, 2011 We offer the following explanation of the statement of the Kuratowski graph planarity criterion and of 6/7 of the statement of the Robertson-Seymour-Thomas intrinsic linking criterion.
Melikhov, Sergey A.
core
Incidence combinatorics of resolutions
, 2000 We introduce notions of combinatorial blowups, building sets, and nested sets for arbitrary meet-semilattices. This gives a common abstract framework for the incidence combinatorics occurring in the context of De Concini-Procesi models of subspace ...
Dmitry, Eva-maria Feichtner, N. Kozlov
core +4 more sources
Simple 3‐Designs of PSL ( 2 , 2 n ) With Block Size 13
Journal of Combinatorial Designs, EarlyView.ABSTRACT This paper focuses on the investigation of simple 3‐ ( 2 n + 1 , 13 , λ ) designs admitting PSL ( 2 , 2 n ) as an automorphism group. Such designs arise from the orbits of 13‐element subsets under the action of PSL ( 2 , 2 n ) on the projective line X = GF ( 2 n ) ∪ { ∞ }, and any union of these orbits also forms a 3‐design.
Takara Kondo, Yuto Nogata
wiley +1 more source
On the Rainbow Vertex-Connection
Discussiones Mathematicae Graph Theory, 2013 A vertex-colored graph is rainbow vertex-connected if any two vertices are connected by a path whose internal vertices have distinct colors. The rainbow vertex-connection of a connected graph G, denoted by rvc(G), is the smallest number of colors that ...
Li Xueliang, Shi Yongtang
doaj +1 more source
CPT: Pharmacometrics &Systems Pharmacology, EarlyView.ABSTRACT Binding in cis‐configuration to the PD‐1 receptor (PD‐1) and IL‐2βγ$$ \beta \gamma $$ receptor (IL‐2Rβγ$$ \beta \gamma $$) has been shown to lead to differentiation of CD8 T cells to better effectors, which is anticipated to drive efficacy of the immune‐targeted cytokine eciskafusp alfa, or PD1‐IL2v.
Lucy G. Hutchinson +6 more
wiley +1 more source
Compatible cycles and CHY integrals
Journal of High Energy Physics, 2019 The CHY construction naturally associates a vector in ℝ(n−3)! to every 2- regular graph with n vertices. Partial amplitudes in the biadjoint scalar theory are given by the inner product of vectors associated with a pair of cycles.
Freddy Cachazo +2 more
doaj +1 more source
Combinatorics of Chord Progressions [PDF]
, 2012 Color poster with text and diagrams.This study explored an overlap between combinatorics and music. The goal was to show chord progressions that are common to a specific collection of music, composer, or era.University of Wisconsin--Eau Claire Office of
Kiefer, Peter
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Combinatorics of Toric Arrangements
, 2018 In this paper we build an Orlik-Solomon model for the canonical gradation of the cohomology algebra with integer coefficients of the complement of a toric arrangement.
Pagaria, Roberto
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Combinatorial optimization approach for the efficient reuse of RC components
Structural Concrete, EarlyView.Abstract The reuse of reinforced concrete (RC) components from deconstructed buildings offers a promising approach to reduce the environmental impact of new constructions. However, it represents a complex combinatorial optimization problem to efficiently place the available modules, which vary in geometry and load‐bearing capacity, into new structures ...
Jannis Rose +4 more
wiley +1 more source