Search Results - "Collares, Mauricio"
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1
Counting orientations of random graphs with no directed k‐cycles
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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2
The diameter of randomly twisted hypercubes
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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3
Maximum-size antichains in random set-systems
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
The Typical Structure of Sets With Small Sumset
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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5
A lower bound for set‐coloring Ramsey numbers
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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6
Counting restricted orientations of random graphs
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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7
The typical structure of graphs with no large cliques
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
Health-Related Quality of Life Outcomes in Head and Neck Cancer: Results From a Prospective, Real-World Data Study With Brazilian Patients Treated With Intensity Modulated Radiation Therapy, Conformal and Conventional Radiation Techniques
Published in International journal of radiation oncology, biology, physics (01-02-2021)“…To compare global health-related quality of life (HRQoL) and overall survival (OS) in patients with head and neck cancer treated with intensity modulated…”
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9
The sharp threshold for maximum-size sum-free subsets in even-order abelian groups
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
The evolution of the permutahedron
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
Long cycles in percolated expanders
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
Universal behaviour of majority bootstrap percolation on high-dimensional geometric graphs
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
Counting orientations of random graphs with no directed k-cycles
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…”
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14
The diameter of randomly twisted hypercubes
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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15
The threshold for the constrained Ramsey property
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
A lower bound for set-colouring Ramsey numbers
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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17
The Typical Structure of Sets with Small Sumset
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…”
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18
Counting restricted orientations of random graphs
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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19
Maximum-size antichains in random set-systems
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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20
The typical structure of graphs with no large cliques
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…”
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