On k‐point configuration sets with nonempty interior

A Greenleaf, A Iosevich, K Taylor - Mathematika, 2022 - Wiley Online Library
We give conditions for k‐point configuration sets of thin sets to have nonempty interior,
applicable to a wide variety of configurations. This is a continuation of our earlier work (J …

Nonempty interior of configuration sets via microlocal partition optimization

A Greenleaf, A Iosevich, K Taylor - Mathematische Zeitschrift, 2024 - Springer
We prove new results of Mattila–Sjölin type, giving lower bounds on Hausdorff dimensions
of thin sets E⊂ R d ensuring that various k-point configuration sets, generated by elements …

A Mattila–Sjölin theorem for simplices in low dimensions

EA Palsson, F Romero Acosta - Mathematische Annalen, 2024 - Springer
In this paper we show that if a compact set E⊂ R d, d≥ 3, has Hausdorff dimension greater
than (4 k-1) 4 kd+ 1 4 when 3≤ d< k (k+ 3)(k-1) or d-1 k-1 when k (k+ 3)(k-1)≤ d, then the …

On restricted Falconer distance sets

J Gaitan, A Greenleaf, EA Palsson… - Canadian Journal of …, 2024 - cambridge.org
We introduce a class of Falconer distance problems, which we call of restricted type, lying
between the classical version and its pinned variant. Prototypical restricted distance sets are …

A pinned Mattila-Sj\"{o} lin type theorem for product sets

Z Boone, EA Palsson - arXiv preprint arXiv:2210.00675, 2022 - arxiv.org
We generalize a result of McDonald and Taylor which concerns the size of the tuples of
edge lengths in the set $ C_1\times C_2 $ utilizing the notion of thickness. Specifically, we …

Mattila–Sjölin type functions: a finite field model

D Cheong, D Koh, T Pham, CY Shen - Vietnam Journal of Mathematics, 2021 - Springer
Abstract Let ϕ (x, y): ℝ d× ℝ d→ ℝ ϕ(x,y):R^d*R^d→R be a function. We say ϕ is a Mattila–
Sjölin type function of index γ if γ is the smallest number satisfying the property that for any …

Distribution of distances in five dimensions and related problems

F Clément, T Pham - SIAM Journal on Discrete Mathematics, 2022 - SIAM
In this paper, we study the Erdös--Falconer distance problem in five dimensions for sets of
Cartesian product structures. More precisely, we show that for A⊂F_p with |A|≫p^1322 …

Falconer type functions in three variables

D Koh, T Pham, CY Shen - Journal of Functional Analysis, 2024 - Elsevier
Let f∈ R [x, y, z] be a quadratic polynomial that depends on each variable and that does not
have the form g (h (x)+ k (y)+ l (z)). Let A, B, C be compact sets in R. Suppose that dim …

The Mattila-Sjölin Problem for Triangles

JF Romero Acosta - 2023 - vtechworks.lib.vt.edu
This dissertation contains work from the author's papers [35] and [36] with coauthor Eyvindur
Palsson. The classic Mattila-Sjolin theorem shows that if a compact subset of mathbbRd has …

Construction of a Mattila--Sj\\\{o} lin type function over a finite field

정대웅, 김진범 - 대한수학회지, 2023 - dbpia.co.kr
Construction of a Mattila--Sj\\\{o}lin type function over a finite field - 대한수학회지 - 대한수학회
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