a person in the record
Valdir Antonio Menegatto
Ph.D. University of Texas at Austin 1992
Wikidata names Elliott Ward Cheney, Jr. as doctoral advisor and lists 9 doctoral students. Linked to Wikidata, ORCID, and 2 other registers.
How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred
Advisors on Wikidata1
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
Students on Wikidata9
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
- stated by Wikidata
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The line above and below4 steps
The advisors of their advisors, four steps up at most, in the thesis records and on Wikidata, each kind marked; a person in both is listed once.
- 1 step up
stated by WikidataElliott Ward Cheney, Jr.
- 2 steps up
stated by WikidataRobert Schatten
- 3 steps up
stated by WikidataFrancis Joseph Murray
- 4 steps up
stated by WikidataBernard Koopman
Below them, within 3 steps, the record reaches 9 people: 9 stated by Wikidata.
Education and career1
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- undated
Papers in OpenAlex102
1986most in 2012: 122022
last at Universidade Federal de Juiz de Fora, Universidade de São Paulo
writes on Mathematical Analysis and Transform Methods, Mathematical functions and polynomials, Mathematical Approximation and Integration, Holomorphic and Operator Theory, Advanced Harmonic Analysis Research
- indexed by OpenAlexcited 112
A necessary and sufficient condition for strictly positive definite functions on spheres
2003 · Proceedings of the American Mathematical Society · 3 authors - indexed by OpenAlexcited 92
Eigenvalues of Integral Operators Defined by Smooth Positive Definite Kernels
2009 · Integral Equations and Operator Theory · 2 authors - indexed by OpenAlex1994 · Applicable Analysis · 1 authorcited 48
- indexed by OpenAlexcited 44
Strictly positive definite kernels on subsets of the complex plane
2006 · Computers & Mathematics with Applications · 3 authors - indexed by OpenAlexcited 33
An extension of a theorem of Schoenberg to products of spheres
2016 · Banach Journal of Mathematical Analysis · 3 authors - indexed by OpenAlexcited 32
Positive definiteness, reproducing kernel Hilbert spaces and beyond
2013 · Annals of Functional Analysis · 2 authors - indexed by OpenAlexcited 27
Eigenvalue decay of positive integral operators on the sphere
2012 · Mathematics of Computation · 2 authors - indexed by OpenAlexcited 26
Reproducing properties of differentiable Mercer‐like kernels
2012 · Mathematische Nachrichten · 2 authors - indexed by OpenAlexcited 24
Integral operators on the sphere generated by positive definite smooth kernels
2008 · Journal of Complexity · 3 authors - indexed by OpenAlex2008 · Positivity · 3 authorscited 23
the 25 most cited of 102
- indexed by OpenAlex1995 · Rocky Mountain Journal of Mathematics · 1 authorcited 22
- indexed by OpenAlex2016 · Positivity · 3 authorscited 21
- indexed by OpenAlexcited 21
Strictly positive definite kernels on compact two-point homogeneous spaces
2016 · Mathematical Inequalities & Applications · 2 authors - indexed by OpenAlex2015 · Journal of Mathematical Analysis and Applications · 2 authorscited 20
- indexed by OpenAlexcited 19
Sharp estimates for eigenvalues of integral operators generated by dot product kernels on the sphere
2013 · Journal of Approximation Theory · 2 authors - indexed by OpenAlex2001 · Journal of Mathematical Analysis and Applications · 2 authorscited 18
- indexed by OpenAlexcited 17
Strictly positive definite multivariate covariance functions on spheres
2018 · Journal of Multivariate Analysis · 3 authors - indexed by OpenAlexcited 17
Strict positive definiteness on products of compact two-point homogeneous spaces
2016 · Integral Transforms and Special Functions · 2 authors - indexed by OpenAlexcited 17
Strictly Positive Definite Kernels on a Product of Spheres II
2016 · Symmetry Integrability and Geometry Methods and Applications · 5 authors - indexed by OpenAlex1997 · Numerical Functional Analysis and Optimization · 1 authorcited 15
- indexed by OpenAlexcited 13
Weighted Fourier–Laplace transforms in reproducing kernel Hilbert spaces on the sphere
2013 · Journal of Mathematical Analysis and Applications · 2 authors - indexed by OpenAlexcited 13
Annihilating properties of convolution operators on complex spheres
2005 · Analysis Mathematica · 2 authors - indexed by OpenAlexcited 12
Positive definite functions on products of metric spaces via generalized Stieltjes functions
2020 · Proceedings of the American Mathematical Society · 1 author - indexed by OpenAlexcited 12
Schoenberg’s Theorem for Positive Definite Functions on Products: A Unifying Framework
2018 · Journal of Fourier Analysis and Applications · 2 authors - indexed by OpenAlexcited 12
Estimates for Fourier sums and eigenvalues of integral operators via multipliers on the sphere
2015 · Proceedings of the American Mathematical Society · 2 authors