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Dive into the research topics where Hossein Nassajian Mojarrad is active.

Publication


Featured researches published by Hossein Nassajian Mojarrad.


Discrete and Computational Geometry | 2016

An Improved Upper Bound for the Erdős---Szekeres Conjecture

Hossein Nassajian Mojarrad; Georgios Vlachos

Let ES(n) denote the minimum natural number such that every set of ES(n) points in general position in the plane contains n points in convex position. In 1935, Erdős and Szekeres proved that ES


Discrete and Computational Geometry | 2018

On Sets Defining Few Ordinary Circles

Aaron Lin; Mehdi Makhul; Hossein Nassajian Mojarrad; Josef Schicho; Konrad J. Swanepoel; Frank de Zeeuw


Computational Geometry: Theory and Applications | 2017

On the existence of ordinary triangles

Radoslav Fulek; Hossein Nassajian Mojarrad; Márton Naszódi; József Solymosi; Sebastian U. Stich; May Szedlák

(n) \le {2n-4 \atopwithdelims ()n-2}+1


arXiv: Combinatorics | 2018

Schwartz-Zippel bounds for two-dimensional products

Hossein Nassajian Mojarrad; Thang Pham; Claudiu Valculescu; Frank de Zeeuw


arXiv: Combinatorics | 2016

An Improved Upper Bound for the Erd˝ os-Szekeres Conjecture

Hossein Nassajian Mojarrad; Georgios Vlachos

(n)≤2n-4n-2+1. In 1961, they obtained the lower bound


arXiv: Combinatorics | 2014

On the number of ordinary circles

Hossein Nassajian Mojarrad; Frank de Zeeuw


arXiv: Combinatorics | 2018

Four-variable expanders over the prime fields

Doowon Koh; Hossein Nassajian Mojarrad; Thang Pham; Claudiu Valculescu

2^{n-2}+1 \le \mathrm{ES}(n)


arXiv: Combinatorics | 2017

Expanders and applications over the prime fields

Doowon Koh; Hossein Nassajian Mojarrad; Thang Pham; Claudiu Valculescu


Archive | 2017

Two extensions of the Erdős-Szekeres problem

Andreas F. Holmsen; Hossein Nassajian Mojarrad; János Pach; Gábor Tardos

2n-2+1≤ES(n), which they conjectured to be optimal. In this paper, we prove that


Archive | 2017

Two extensions of the Erd\H{o}s-Szekeres problem

Andreas F. Holmsen; Hossein Nassajian Mojarrad; János Pach; Gábor Tardos

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Thang Pham

École Polytechnique Fédérale de Lausanne

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Claudiu Valculescu

École Polytechnique Fédérale de Lausanne

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Frank de Zeeuw

École Polytechnique Fédérale de Lausanne

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Georgios Vlachos

Massachusetts Institute of Technology

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János Pach

École Polytechnique Fédérale de Lausanne

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Doowon Koh

Chungbuk National University

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Radoslav Fulek

Charles University in Prague

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Aaron Lin

London School of Economics and Political Science

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