Ioannis Parissis

Ikerbasque Research Associate, UPV/EHU

Ikerbasque research associate at the Department of Mathematics of the University of the Basque Country UPV/EHU.

Research line:

Harmonic Analysis.

Previous research experience at NTUA (Greece), Georgia Tech (USA), Fields Institute (Canada), KTH (Sweden), IST (Portugal), University of Helsinki (Finland), Aalto University (Finland).

PhD in Mathematics, 2007, University of Crete, Greece.

2024

Article / Singular integrals along variable codimension one subspaces

Singular integrals along variable codimension one subspaces

Odysseas Bakas, Francesco Di Plinio, Ioannis Parissis, Luz Roncal

Article / Endpoint estimates for higher order Marcinkiewicz multipliers

Odysseas Bakas, Valentina Ciccone, Ioannis Parissis, Marco Vitturi

2023

Article / Directional square functions

Anal. PDE

N. Accomazzo, F. Di Plinio, P. Hagelstein, I. Parissis, L. Roncal

Article / Pointwise localization and sharp weighted bounds for Rubio de Francia square functions

Francesco Di Plinio, Mikel Flórez-Amatriain, Ioannis Parissis, Luz Roncal

Article / DIRECTIONAL SQUARE FUNCTIONS

Analysis and PDE

Accomazzo, N.; Di Plinio, F.; Hagelstein, P.; Parissis, I.; Roncal, L.

2022

Article / Maximal subspace averages

Advances in Mathematics

Di Plinio, F.; Parissis, I.

Article / A metric approach to sparse domination

Annali di Matematica Pura ed Applicata

Conde-Alonso, J.M.; Di Plinio, F.; Parissis, I.; Vempati, M.N.

Article / Rotational smoothing

Journal of Differential Equations

Caro, P.; Meroño, C.J.; Parissis, I.

2021

Article / Singular integrals along lacunary directions in R^n

Adv. Math.

Natalia Accomazzo, Francesco Di Plinio, and Ioannis Parissis

Article / Maximal directional operators along algebraic varieties

American Journal of Mathematics

Di Plinio, F.; Parissis, I.

Article / Singular integrals along lacunary directions in R<sup>n</sup>

Advances in Mathematics

Accomazzo, N.; Di Plinio, F.; Parissis, I.

2020

Article / On the maximal directional hilbert transform in three dimensions

International Mathematics Research Notices

Di Plinio, F.; Parissis, I.

Article / Density bases associated with Nagel–Stein approach regions

Studia Mathematica

Hagelstein, P.; Parissis, I.

2018

Article / A sharp estimate for the Hilbert transform along finite order lacunary sets of directions

Israel Journal of Mathematics

Di Plinio, F.; Parissis, I.

Article / Asymptotically sharp reverse Hölder inequalities for flat muckenhoupt weights

Indiana University Mathematics Journal

Parissis, I.; Rela, E.

Article / Tauberian constants associated to centered translation invariant density bases

Fundamenta Mathematicae

Hagelstein, P.; Parissis, I.

Article / Weighted solyanik estimates for the strong maximal function

Publicacions Matematiques

Hagelstein, P.; Parissis, I.

Article / Sharp inequalities for one-sided Muckenhoupt weights

Collectanea Mathematica

Hagelstein, P.; Parissis, I.; Saari, O.

2017

Article / A note on local Hölder continuity of weighted Tauberian functions

Harmonic Analysis, Partial Differential Equations, Banach Spaces, and Operator Theory, Celebrating Cora Sadosky's Life

Paul Hagelstein and Ioannis Parissis

Article / Hölder continuity of tauberian constants associated with discrete and ergodic strong maximal operators

New York Journal of Mathematics

Hagelstein, P.A.; Parissis, I.

2016

Article / Solyanik estimates in ergodic theory

Colloquium Mathematicum

Hagelstein, P.; Parissis, I.

Topics in harmonic analysis related to Rubio de Francia square functions and directional singular integrals

BCAm & UPV/EHU

Mikel Flórez Amatriain - In preparation

Topics in Harmonic Analysis; commutators and directional singular integrals

University of the Basque Country (UPV/EHU)

Natalia Accomazzo Scotti - Finished

Weighted inequalities and multiparameter harmonic analysis

Universidad de Sevilla & IMUS

Teresa Elvira, Luque Martínez - Finished

2023

I was one of the main organizers for the "5th BCAM summer school on Harmonic Analysis and PDEs: sphere packing, June 19-23, 2023, Bilbao, Spain."

2022

I am one of the main organizers for the conference "Harmonic Analysis and related topics; Celebrating Michael Lacey's birthday, June 13-17, 2022, Centre de Recerca Matemàtica, Barcelona, Catalunya, Spain". https://www.crm.cat/harmonic-analysis-and-related-topics/

2020

I am one of the main organizers for the "3rd Bilbao meeting on Analysis and PDEs, June 2020, BCAM, Spain". https://sites.google.com/view/hapde2019/home

2019

I was one of the main organizers for the "4th BCAM summer school on Harmonic Analysis and Partial Differential Equations}, July 2019, BCAM, Spain". https://sites.google.com/view/hapde2019/home

I am one of the main organizers of the joint BCAM-UPV/EHU seminar in analysis and PDEs, and currently maintain the website of the group: https://sites.google.com/view/apdebilbao

2018

I was one of the main organizers for the "BCAM meeting on sampling, uncertainty principles, and combinatorial methods in harmonic analysis, January 2018, BCAM, Spain." https://sites.google.com/site/uncertainty2018/

2017

I was one of the main organizers for the "3d BCAM-summer school on Harmonic Analysis and PDEs, July 10-14, 2017, Bilbao, Spain." https://sites.google.com/site/hapde2017/

I was one of the main organizers for the "2nd Bilbao meeting on Analysis and PDEs, May 2017, BCAM, Spain, Spain." https://sites.google.com/site/bilbaoapde2017/

2016

I was one of the main organizers for the "2nd BCAM summer school on Harmonic Analysis and PDEs, July 4-8, 2016, Bilbao, Spain." http://www.bcamath.org/es/workshops/hapde2016/archives

I was one of the main organizers for the "Bilbao meeting on Analysis and PDEs, May 2016, BCAM, Spain, Spain." https://sites.google.com/site/bilbaoapde/home

2015

I was one of the main organizers for the "Workshop on harmonic analysis and partial differential equations, Aalto University, Finland; June 8-12, 2015." https://math.aalto.fi/en/research/analysis/HAPDE2015/

I was one of the main organizers for the "BCAM Workshop on Harmonic Analysis and PDEs, July 6-17, 2015, Bilbao, Spain." http://www.bcamath.org/en/workshops/harmonic-analysis-and-pdes

2023

Conference organization | 5th BCAM-UPV/EHU summer school on harmonic analysis and PDEs: Sphere packing

5th BCAM-UPV/EHU summer school on harmonic analysis and PDEs: Sphere packing - Conference organization

Jone Apraiz, Odysseas Bakas, Mateus Costa de Sousa, Aingeru Fernández Bertolin, Ioannis Parissis

2019

Conference organization | Fourth Summer School on Harmonic Analysis and Partial Differential Equations

P. Caro, M. Mourgoglou, I. Parissis and L. Roncal