Search Results - "Collares, Mauricio"

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  1. 1

    Counting orientations of random graphs with no directed k‐cycles by Campos, Marcelo, Collares, Maurício, Mota, Guilherme Oliveira

    Published in Random structures & algorithms (01-05-2024)
    “…For every k⩾3$$ k\geqslant 3 $$, we determine the order of growth, up to polylogarithmic factors, of the number of orientations of the binomial random graph…”
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    Journal Article
  2. 2

    The diameter of randomly twisted hypercubes by Aragão, Lucas, Collares, Maurício, Dahia, Gabriel, Marciano, João Pedro

    Published in European journal of combinatorics (01-02-2025)
    “…The n-dimensional random twisted hypercube Gn is constructed recursively by taking two instances of Gn−1, with any joint distribution, and adding a random…”
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    Journal Article
  3. 3

    Maximum-size antichains in random set-systems by Collares, Maurício, Morris, Robert

    Published in Random structures & algorithms (01-09-2016)
    “…We show that, for pn→∞, the largest set in a p‐random sub‐family of the power set of {1,…,n} containing no k‐chain has size (k−1+o(1))p(nn/2) with high…”
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  4. 4

    The Typical Structure of Sets With Small Sumset by Campos, Marcelo, Collares, Maurício, Morris, Robert, Morrison, Natasha, Souza, Victor

    Published in International mathematics research notices (13-07-2022)
    “…Abstract In this paper we determine the number and typical structure of sets of integers with bounded doubling. In particular, improving recent results of…”
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    Journal Article
  5. 5

    A lower bound for set‐coloring Ramsey numbers by Aragão, Lucas, Collares, Maurício, Marciano, João Pedro, Martins, Taísa, Morris, Robert

    Published in Random structures & algorithms (01-03-2024)
    “…The set‐coloring Ramsey number Rr,s(k)$$ {R}_{r,s}(k) $$ is defined to be the minimum n$$ n $$ such that if each edge of the complete graph Kn$$ {K}_n $$ is…”
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    Journal Article
  6. 6

    Counting restricted orientations of random graphs by Collares, Maurício, Kohayakawa, Yoshiharu, Morris, Robert, Mota, Guilherme O.

    Published in Random structures & algorithms (01-07-2020)
    “…We count orientations of G(n,p) avoiding certain classes of oriented graphs. In particular, we study Tr(n,p), the number of orientations of the binomial random…”
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    Journal Article
  7. 7

    The typical structure of graphs with no large cliques by Balogh, József, Bushaw, Neal, Collares, Maurício, Liu, Hong, Morris, Robert, Sharifzadeh, Maryam

    Published in Combinatorica (Budapest. 1981) (01-08-2017)
    “…In 1987, Kolaitis, Prömel and Rothschild proved that, for every fixed r ∈ℕ, almost every n -vertex K r +1 -free graph is r -partite. In this paper we extend…”
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  8. 8
  9. 9

    The sharp threshold for maximum-size sum-free subsets in even-order abelian groups by Bushaw, Neal, Neto, Maurício Collares, Morris, Robert, Smith, Paul

    Published 18-07-2014
    “…Combinator. Probab. Comp. 24 (2015) 609-640 We study sum-free sets in sparse random subsets of even order abelian groups. In particular, we determine the sharp…”
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  10. 10

    The evolution of the permutahedron by Collares, Maurício, Doolittle, Joseph, Erde, Joshua

    Published 26-04-2024
    “…In their seminal paper introducing the theory of random graphs, Erd\H{o}s and R\'{e}nyi considered the evolution of the structure of a random subgraph of $K_n$…”
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  11. 11

    Long cycles in percolated expanders by Collares, Maurício, Diskin, Sahar, Erde, Joshua, Krivelevich, Michael

    Published 16-07-2024
    “…Given a graph $G$ and probability $p$, we form the random subgraph $G_p$ by retaining each edge of $G$ independently with probability $p$. Given…”
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  12. 12

    Universal behaviour of majority bootstrap percolation on high-dimensional geometric graphs by Collares, Maurício, Erde, Joshua, Geisler, Anna, Kang, Mihyun

    Published 25-06-2024
    “…Majority bootstrap percolation is a monotone cellular automata that can be thought of as a model of infection spreading in networks. Starting with an initially…”
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  13. 13

    Counting orientations of random graphs with no directed k-cycles by Campos, Marcelo, Collares, Maurício, Mota, Guilherme Oliveira

    Published 08-11-2023
    “…For every $k \geq 3$, we determine the order of growth, up to polylogarithmic factors, of the number of orientations of the binomial random graph containing no…”
    Get full text
    Journal Article
  14. 14

    The diameter of randomly twisted hypercubes by Aragão, Lucas, Collares, Maurício, Dahia, Gabriel, Marciano, João Pedro

    Published 10-10-2024
    “…European J. Combin. 124 (2025) 104078 The $n$-dimensional random twisted hypercube $\mathbf{G}_n$ is constructed recursively by taking two instances of…”
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    Journal Article
  15. 15

    The threshold for the constrained Ramsey property by Collares, Maurício, Kohayakawa, Yoshiharu, Moreira, Carlos Gustavo, Mota, Guilherme Oliveira

    Published 11-07-2022
    “…Given graphs $G$, $H_1$, and $H_2$, let $G\xrightarrow{\text{mr}}(H_1,H_2)$ denote the property that in every edge colouring of $G$ there is a monochromatic…”
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  16. 16

    A lower bound for set-colouring Ramsey numbers by Aragão, Lucas, Collares, Maurício, Marciano, João Pedro, Martins, Taísa, Morris, Robert

    Published 13-12-2022
    “…The set-colouring Ramsey number $R_{r,s}(k)$ is defined to be the minimum $n$ such that if each edge of the complete graph $K_n$ is assigned a set of $s$…”
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    Journal Article
  17. 17

    The Typical Structure of Sets with Small Sumset by Campos, Marcelo, Collares, Maurício, Morris, Robert, Morrison, Natasha, Souza, Victor

    Published 24-10-2019
    “…In this paper we determine the number and typical structure of sets of integers with bounded doubling. In particular, improving recent results of Green and…”
    Get full text
    Journal Article
  18. 18

    Counting restricted orientations of random graphs by Collares, Maurício, Kohayakawa, Yoshiharu, Morris, Robert, Mota, Guilherme Oliveira

    Published 07-11-2018
    “…We count orientations of $G(n,p)$ avoiding certain classes of oriented graphs. In particular, we study $T_r(n,p)$, the number of orientations of the binomial…”
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    Journal Article
  19. 19

    Maximum-size antichains in random set-systems by Neto, Maurício Collares, Morris, Robert

    Published 21-04-2014
    “…We show that, for $pn \to \infty$, the largest set in a $p$-random sub-family of the power set of $\{1, \ldots, n\}$ containing no $k$-chain has size $( k - 1…”
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    Journal Article
  20. 20

    The typical structure of graphs with no large cliques by Balogh, József, Bushaw, Neal, Neto, Maurício Collares, Liu, Hong, Morris, Robert, Sharifzadeh, Maryam

    Published 26-06-2014
    “…In 1987, Kolaitis, Pr\"omel and Rothschild proved that, for every fixed $r \in \mathbb{N}$, almost every $n$-vertex $K_{r+1}$-free graph is $r$-partite. In…”
    Get full text
    Journal Article