Operator-free sparse domination

AK Lerner, E Lorist, S Ombrosi - Forum of Mathematics, Sigma, 2022 - cambridge.org
… We obtain a sparse domination principle for an arbitrary family of functions 𝑓 (𝑥, 𝑄),
where … On the other hand, our sparse domination principle can be also applied to non-operator …

[HTML][HTML] Some remarks on convex body domination

TP Hytönen - Journal of Mathematical Analysis and Applications, 2024 - Elsevier
… is an important elaboration of the technique of sparse domination that has seen significant
… body domination results. To isolate the key point, we state it here in an operator-free version…

Quantitative weighted estimates for Harmonic analysis operators in the Bessel setting by using sparse domination

V Almeida, JJ Betancor, JC Fariña… - Analysis and …, 2022 - Springer
… In the proof of our results, those ones in [24] and [60] about sparse domination on spaces
of … with weighted inequalities for commutators by using sparse domination. After adapting [24, …

Gagliardo-Nirenberg inequality via a new pointwise estimate

K Lesnik, T Roskovec, F Soudsky - arXiv preprint arXiv:2403.07096, 2024 - arxiv.org
… as a kind of sparse domination technique, which after … sparse domination method involves
the replacement of the classical maximal operator by averaging operators (also called sparse

The Operator Norm of Paraproducts

S Shaabani - arXiv preprint arXiv:2402.13084, 2024 - arxiv.org
… Now, we describe the general sparse domination method introduced in [22]. Let {fQ}Q∈D
be a family of measurable functions defined on Rn, which we think of it as ‘localizations’ of a …

Bloom weighted bounds for sparse forms associated to commutators

AK Lerner, E Lorist, S Ombrosi - Mathematische Zeitschrift, 2024 - Springer
… 3 A sparse domination principle for commutators In this section we will prove a general sparse
domination principle for iterated commutators, following the line of research started in [20] …

[PDF][PDF] Short talks. Book of abstracts

T Achenef - icmat.es
… In this talk I will discuss a sparse domination principle for an arbitrary family of functions f(x, …
recent sparse domination results. In contrast to preceding results, our sparse domination

ContHutch++: Stochastic trace estimation for implicit integral operators

J Zvonek, A Horning, A Townsend - arXiv preprint arXiv:2311.07035, 2023 - arxiv.org
… Our approach to the operator-free trace estimator is based on a continuous analogue of the
… The relative error bound below is tight when a few eigenvalues dominate the trace of A, but …

Scalable and efficient algorithms for the propagation of uncertainty from data through inference to prediction for large-scale problems, with application to flow of the …

T Isaac, N Petra, G Stadler, O Ghattas - Journal of Computational Physics, 2015 - Elsevier
… , the observational data typically provide only sparse information on model parameters. This
… -vector product computations, and thus overwhelmingly dominate the run time (the cost of …

Transient dynamics and quantum phase diagram for the square lattice Rashba-Hubbard model at arbitrary hole doping

EW Hodt, JA Ouassou, J Linder - Physical Review B, 2023 - APS
… The introduction of the mean fields introduces operator-free terms in the Hamiltonian given
… Second, we note that M(t) is a sparse matrix, which means that the computational effort can …