Results 101 to 110 of about 58,072 (195)

Advancing mathematics by guiding human intuition with AI. [PDF]

open access: yesNature, 2021
Davies A   +13 more
europepmc   +1 more source

Topics in extremal graph theory and probabilistic combinatorics

open access: yes, 2018
This thesis considers a variety of problems in Extremal Graph Theory and Probabilistic Combinatorics. Most of these problems are structural in nature, but some concern random reconstruction and parking problems. A matching in a bipartite graph G = (U, V, E) is a subset of the edges where no two edges meet, and each vertex from U is in an edge.
openaire   +2 more sources

EXTREMAL DEPENDENCE IN EXCHANGE RATE MARKETS [PDF]

open access: yes
Exchange rate markets exhibit correlation in the short run, but the issue is whether such correlation lingers over long periods of time, and under extreme events (i.e., either large appreciations or depreciations).
Viviana Fernandez
core  

Topics in metric geometry, combinatorial geometry, extremal combinatorics and additive combinatorics

open access: yes, 2018
In this thesis, we consider several combinatorial topics, belonging to the areas appearing in the thesis title. Given a non-empty complete metric space $(X,d)$, a family of $n$ continuous maps $f_1,f_2,\dots,f_n\colon X\to X$ is a \emph{contractive family} if there exists $\lambda<1$ such that for any $x,y\in X$ we have $d(f_i(x),f_i(y))\leq\lambda ...
openaire   +1 more source

The n-queens completion problem. [PDF]

open access: yesRes Math Sci, 2022
Glock S, Munhá Correia D, Sudakov B.
europepmc   +1 more source

An extremal problem for univalent functions [PDF]

open access: yes
Let S be the class of functions f(z)=z+a2z2 ,… f(0)=0, f′(0)=1 which are regular and univalent in the unit disk |z| x the equation φ′( x)=0 does not have real roots. Since S is a compact class, there exists x . This problem was first proposed by Petru T.
Miodrag IOVANOV
core  

The Seventh European Conference on Combinatorics, Graph Theory and Applications: EuroComb 2013

open access: yes, 2013
In the tradition of EuroComb'01 (Barcelona), Eurocomb'03 (Prague), EuroComb'05 (Berlin), Eurocomb'07 (Seville), Eurocomb'09 (Bordeaux), and Eurocomb'11 (Budapest), this volume covers recent advances in combinatorics and graph theory including ...
J Nesetril, M Pellegrini
core  

Combinatorial questions in optimal transport

open access: yes, 2020
Several problems in extremal combinatorics arise from a new generalization of the optimal coupling theorem to multiple random variables: Given a collection of random variables, it is possible to couple all of them so that any two differ with ...
Angel, Omer
core  

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