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personal data approved: 2024. II. 10.
Personal data
Sándor Kristály
name Sándor Kristály
name of institution
doctoral school
ELTE Doctoral School of Mathematics (Academic staff member)
the share of work in the different doctoral schools. OE Doctoral School of Applied Informatics and Applied Mathematics 100%
accreditation statement submitted to: Universitas Budensis
Contact details
phone number +40 741 189-045
own web page
Academic title
scientific degree, title Ph.D.
year degree was obtained 2003
discipline to which degree belongs mathematics and computing
institution granting the degree Babes-Bolyai University
scientific degree, title Ph.D.
year degree was obtained 2005
discipline to which degree belongs mathematics and computing
institution granting the degree Lajos Kossuth University of Debrecen
scientific degree, title Ph.D.
year degree was obtained 2010
discipline to which degree belongs mathematics and computing
institution granting the degree Central European University
scientific degree, title Habilitation
year degree was obtained 2013
discipline to which degree belongs mathematics and computing
institution granting the degree Babes-Bolyai University
scientific degree, title Habilitation
year degree was obtained 2015
discipline to which degree belongs mathematics and computing
institution granting the degree Óbuda University
scientific degree, title DSc
year degree was obtained 2019
discipline to which degree belongs mathematics and computing
institution granting the degree HAS
Employment
2016 - Universitas Budensis
university professor or researcher
Thesis topic supervisor
number of doctoral students supervised until now 4
number of students who fulfilled course requirements 2
students who obtained their degrees:
Ágnes Mester PhD 2023  DSAIAM
Orsolya Vas PhD 2021  
Csaba Farkas PhD 2018  DSAIAM
Szilárd Nagy PhD 2015  

present PhD students:
(50%) Boróka Olteán-Péter (PhD) (2025/08)  DSAIAM
Károly Szilák (PhD) (2024/08)  DSAIAM
  Thesis topic proposals
Research
research area Nonlinear analysis; Riemann-Finsler geometry; Heisenberg groups
research field in which current research is conducted mathematics and computing
Publications
2022

Balogh Zoltán M., Kristály Alexandru: Sharp isoperimetric and Sobolev inequalities in spaces with nonnegative Ricci curvature, MATHEMATISCHE ANNALEN
type of document: Journal paper/Article
number of independent citations: 4
language: English
URL 
2022

Kristály Alexandru: Lord Rayleigh’s Conjecture for Vibrating Clamped Plates in Positively Curved Spaces, GEOMETRIC AND FUNCTIONAL ANALYSIS
type of document: Journal paper/Article
language: English
URL 
2021

Balogh Zoltán M., Gutiérrez Cristian E., Kristály Alexandru: Sobolev inequalities with jointly concave weights on convex cones, PROCEEDINGS OF THE LONDON MATHEMATICAL SOCIETY 122: (4) pp. 537-568.
type of document: Journal paper/Article
number of independent citations: 1
language: English
URL 
2021

Farkas Csaba, Kristály Alexandru, Mester Ágnes: Compact Sobolev embeddings on non-compact manifolds via orbit expansions of isometry groups, CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS 60: (4) 128
type of document: Journal paper/Article
language: English
URL 
2020

Kristály Alexandru: Fundamental tones of clamped plates in nonpositively curved spaces, ADVANCES IN MATHEMATICS 367: 107113
type of document: Journal paper/Article
number of independent citations: 1
language: English
URL 
2020

Huang Libing, Kristály Alexandru, Zhao Wei: Sharp uncertainty principles on general Finsler manifolds, TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY 373: (11) pp. 8127-8161.
type of document: Journal paper/Article
number of independent citations: 3
language: English
URL 
2019

Kristály Alexandru: New geometric aspects of Moser–Trudinger inequalities on Riemannian manifolds: the non-compact case, JOURNAL OF FUNCTIONAL ANALYSIS 276: (8) pp. 2359-2396.
type of document: Journal paper/Article
number of independent citations: 6
language: English
URL 
2019

Kristály A, Szakál A: Interpolation between Brezis–Vázquez and Poincaré inequalities on nonnegatively curved spaces: sharpness and rigidities, JOURNAL OF DIFFERENTIAL EQUATIONS 266: (10) pp. 6621-6646.
type of document: Journal paper/Article
number of independent citations: 5
language: English
URL 
2018

Balogh M Zoltán, Kristály Alexandru, Sipos Kinga: Geometric inequalities on Heisenberg groups, CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS 57: (2) 61
type of document: Journal paper/Article
number of independent citations: 12
language: English
URL 
2018

Kristály A: Sharp uncertainty principles on Riemannian manifolds: the influence of curvature, JOURNAL DE MATHEMATIQUES PURES ET APPLIQUEES 119: pp. 326-346.
type of document: Journal paper/Article
number of independent citations: 12
language: English
URL 
Number of independent citations to these publications:44 
Scientometric data
list of publications and citations
number of scientific publications that meet accreditation criteria:
50
number of scientific publications:
128
monographs and professional books:
0
monographs/books in which chapters/sections were contributed:
1 
number of independent citations to scientific publications and creative works:
1132

 
All rights reserved © 2007, Hungarian Doctoral Council. Doctoral Council registration number at commissioner for data protection: 02003/0001. Program version: 2.2358 ( 2017. X. 31. )