Search Results - "Alon, Noga"
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1
Explicit Expanders of Every Degree and Size
Published in Combinatorica (Budapest. 1981) (01-08-2021)“…An ( n, d , λ)-graph is a d regular graph on n vertices in which the absolute value of any nontrivial eigenvalue is at most λ. For any constant d ≥ 3, ϵ > 0…”
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Connectivity graph‐codes
Published in Random structures & algorithms (01-10-2024)“…The symmetric difference of two graphs G1,G2$$ {G}_1,{G}_2 $$ on the same set of vertices V$$ V $$ is the graph on V$$ V $$ whose set of edges are all edges…”
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3
Spanning trees with few non-leaves
Published in Israel journal of mathematics (01-09-2023)“…Let f ( n, k ) denote the smallest number so that every connected graph with n vertices and minimum degree at least k contains a spanning tree in which the…”
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4
Asymptotically optimal induced universal graphs
Published in Geometric and functional analysis (01-02-2017)“…We prove that the minimum number of vertices of a graph that contains every graph on k vertices as an induced subgraph is ( 1 + o ( 1 ) ) 2 ( k - 1 ) / 2 …”
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5
Hitting a Prime in 2.43 Dice Rolls (On Average)
Published in The American statistician (03-07-2023)“…What is the number of rolls of fair six-sided dice until the first time the total sum of all rolls is a prime? We compute the expectation and the variance of…”
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6
List-Decodable Zero-Rate Codes
Published in IEEE transactions on information theory (01-03-2019)“…We consider list decoding in the zero-rate regime for two cases-the binary alphabet and the spherical codes in Euclidean space. Specifically, we study the…”
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7
Divisible subdivisions
Published in Journal of graph theory (01-12-2021)“…We prove that for every graph H of maximum degree at most 3 and for every positive integer q there is a finite f = f ( H , q ) such that every K f‐minor…”
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8
Near-sunflowers and focal families
Published in Israel journal of mathematics (01-09-2023)“…We present some problems and results about variants of sunflowers in families of sets. In particular, we improve an upper bound of the first author, Körner and…”
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9
Logarithmically larger deletion codes of all distances
Published in IEEE transactions on information theory (01-01-2024)“…The deletion distance between two binary words u , v ∈ {0, 1} n is the smallest k such that u and v share a common subsequence of length n - k . A set C of…”
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10
Random subgraphs of properly edge-coloured complete graphs and long rainbow cycles
Published in Israel journal of mathematics (01-10-2017)“…A subgraph of an edge-coloured complete graph is called rainbow if all its edges have different colours. In 1980 Hahn conjectured that every properly…”
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11
Additive Approximation of Generalized Turán Questions
Published in Algorithmica (01-02-2022)“…For graphs G and T , and a family of graphs F let ex ( G , T , F ) denote the maximum possible number of copies of T in an F -free subgraph of G . We…”
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12
Complete minors and average degree: A short proof
Published in Journal of graph theory (01-07-2023)“…We provide a short and self‐contained proof of the classical result of Kostochka and of Thomason, ensuring that every graph of average degree d $d$ has a…”
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13
Testing Equality in Communication Graphs
Published in IEEE transactions on information theory (01-11-2017)“…Let G = (V, E) be a connected undirected graph with k vertices. Suppose that on each vertex of the graph there is a player having an n-bit string. Each player…”
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14
Biomolecular network motif counting and discovery by color coding
Published in Bioinformatics (01-07-2008)“…Protein–protein interaction (PPI) networks of many organisms share global topological features such as degree distribution, k-hop reachability, betweenness and…”
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15
Unbalancing Sets and An Almost Quadratic Lower Bound for Syntactically Multilinear Arithmetic Circuits
Published in Combinatorica (Budapest. 1981) (01-04-2020)“…We prove a lower bound of Ω ( n 2 /log 2 n ) on the size of any syntactically multilinear arithmetic circuit computing some explicit multilinear polynomial f (…”
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16
Clique coloring of dense random graphs
Published in Journal of graph theory (01-07-2018)“…The clique chromatic number of a graph G=(V,E) is the minimum number of colors in a vertex coloring so that no maximal (with respect to containment) clique is…”
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17
High-girth near-Ramanujan graphs with localized eigenvectors
Published in Israel journal of mathematics (01-12-2021)“…We show that for every prime d and α ∈ (0, 1/6), there is an infinite sequence of ( d + 1)-regular graphs G = ( V, E ) with high girth Ω(α log d (∣ V ∣),…”
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18
Biological Solution to a Fundamental Distributed Computing Problem
Published in Science (American Association for the Advancement of Science) (14-01-2011)“…Computational and biological systems are often distributed so that processors (cells) jointly solve a task, without any of them receiving all inputs or…”
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19
Duplication Distance to the Root for Binary Sequences
Published in IEEE transactions on information theory (01-12-2017)“…We study the tandem duplication distance between binary sequences and their roots. In other words, the quantity of interest is the number of tandem duplication…”
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20
Efficient Removal Lemmas for Matrices
Published in Order (Dordrecht) (01-04-2020)“…It was recently proved in Alon et al. ( 2017 ) that any hereditary property of two-dimensional matrices (where the row and column order is not ignored) over a…”
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