Stempak, Krzysztof Harmonic analysis associated with the Jacobi-Dunkl operator on \((-\pi, \pi)\): exotic cases. (English) Zbl 1512.42043 Complex Anal. Oper. Theory 17, No. 3, Paper No. 39, 33 p. (2023). MSC: 42C10 47B25 42C99 34L40 44A15 PDFBibTeX XMLCite \textit{K. Stempak}, Complex Anal. Oper. Theory 17, No. 3, Paper No. 39, 33 p. (2023; Zbl 1512.42043) Full Text: DOI
Nowak, Adam; Stempak, Krzysztof; Szarek, Tomasz Z. On harmonic analysis operators in Laguerre-Dunkl and Laguerre-symmetrized settings. (English) Zbl 1356.42028 SIGMA, Symmetry Integrability Geom. Methods Appl. 12, Paper 096, 39 p. (2016). Reviewer: Stefan Balint (Timişoara) MSC: 42C99 42C10 42C20 42B20 42B15 42B25 PDFBibTeX XMLCite \textit{A. Nowak} et al., SIGMA, Symmetry Integrability Geom. Methods Appl. 12, Paper 096, 39 p. (2016; Zbl 1356.42028) Full Text: DOI arXiv
Nowak, Adam; Stempak, Krzysztof Sharp estimates for potential operators associated with Laguerre and Dunkl-Laguerre expansions. (English) Zbl 1338.42038 Potential Anal. 44, No. 1, 109-136 (2016). Reviewer: Luz Roncal (Logroño) MSC: 42C10 47G40 31C15 26A33 PDFBibTeX XMLCite \textit{A. Nowak} and \textit{K. Stempak}, Potential Anal. 44, No. 1, 109--136 (2016; Zbl 1338.42038) Full Text: DOI arXiv
Nowak, Adam; Stempak, Krzysztof A symmetrized conjugacy scheme for orthogonal expansions. (English) Zbl 1275.42042 Proc. R. Soc. Edinb., Sect. A, Math. 143, No. 2, 427-443 (2013). MSC: 42C05 42B10 PDFBibTeX XMLCite \textit{A. Nowak} and \textit{K. Stempak}, Proc. R. Soc. Edinb., Sect. A, Math. 143, No. 2, 427--443 (2013; Zbl 1275.42042) Full Text: DOI arXiv
Stempak, Krzysztof; Wróbel, Błażej Dimension free \(L^P\) estimates for Riesz transforms associated with Laguerre function expansions of Hermite type. (English) Zbl 1285.42023 Taiwanese J. Math. 17, No. 1, 63-81 (2013). Reviewer: María-José Cantero (Zaragoza) MSC: 42C10 42B20 42B25 PDFBibTeX XMLCite \textit{K. Stempak} and \textit{B. Wróbel}, Taiwanese J. Math. 17, No. 1, 63--81 (2013; Zbl 1285.42023) Full Text: DOI Link
Nowak, Adam; Stempak, Krzysztof On \(L^{p}\)-contractivity of Laguerre semigroups. (English) Zbl 1279.47062 Ill. J. Math. 56, No. 2, 433-452 (2012). Reviewer: Yang Dachun (Beijing) MSC: 47D03 42C10 47G10 PDFBibTeX XMLCite \textit{A. Nowak} and \textit{K. Stempak}, Ill. J. Math. 56, No. 2, 433--452 (2012; Zbl 1279.47062) Full Text: arXiv Euclid
Nowak, Adam; Stempak, Krzysztof Negative powers of Laguerre operators. (English) Zbl 1244.47043 Can. J. Math. 64, No. 1, 183-216 (2012). Reviewer: Mihai Pascu (Bucureşti) MSC: 47G40 31C15 33C45 26A33 PDFBibTeX XMLCite \textit{A. Nowak} and \textit{K. Stempak}, Can. J. Math. 64, No. 1, 183--216 (2012; Zbl 1244.47043) Full Text: DOI arXiv Link
Nowak, Adam; Roncal, Luz; Stempak, Krzysztof Riesz transforms for the Dunkl Ornstein–Uhlenbeck operator. (English) Zbl 1194.42036 Colloq. Math. 118, No. 2, 669-684 (2010). Reviewer: István Mező (Debrecen) MSC: 42C10 42C20 PDFBibTeX XMLCite \textit{A. Nowak} et al., Colloq. Math. 118, No. 2, 669--684 (2010; Zbl 1194.42036) Full Text: DOI
Nowak, Adam; Stempak, Krzysztof Imaginary powers of the Dunkl harmonic oscillator. (English) Zbl 1162.42013 SIGMA, Symmetry Integrability Geom. Methods Appl. 5, Paper 016, 12 p. (2009). MSC: 42C10 42C20 PDFBibTeX XMLCite \textit{A. Nowak} and \textit{K. Stempak}, SIGMA, Symmetry Integrability Geom. Methods Appl. 5, Paper 016, 12 p. (2009; Zbl 1162.42013) Full Text: DOI arXiv EuDML
Stempak, Krzysztof Jacobi conjugate expansions. (English) Zbl 1127.42028 Stud. Sci. Math. Hung. 44, No. 1, 117-130 (2007). MSC: 42C15 42C05 PDFBibTeX XMLCite \textit{K. Stempak}, Stud. Sci. Math. Hung. 44, No. 1, 117--130 (2007; Zbl 1127.42028) Full Text: DOI
Nowak, Adam; Stempak, Krzysztof Riesz transforms for multi-dimensional Laguerre function expansions. (English) Zbl 1166.42016 Adv. Math. 215, No. 2, 642-678 (2007). Reviewer: Lizhong Peng (Beijing) MSC: 42C10 42B20 44A20 PDFBibTeX XMLCite \textit{A. Nowak} and \textit{K. Stempak}, Adv. Math. 215, No. 2, 642--678 (2007; Zbl 1166.42016) Full Text: DOI
Ciaurri, Óscar; Nowak, Adam; Stempak, Krzysztof Jacobi transplantation revisited. (English) Zbl 1162.42015 Math. Z. 257, No. 2, 355-380 (2007). Reviewer: Kun Soo Chang (Seoul) MSC: 42C20 44A20 42C10 PDFBibTeX XMLCite \textit{Ó. Ciaurri} et al., Math. Z. 257, No. 2, 355--380 (2007; Zbl 1162.42015) Full Text: DOI
Nowak, Adam; Stempak, Krzysztof Riesz transforms and conjugacy for Laguerre function expansions of Hermite type. (English) Zbl 1147.42005 J. Funct. Anal. 244, No. 2, 399-443 (2007). Reviewer: Giorgi Oniani (Kutaisi) MSC: 42B20 42C10 PDFBibTeX XMLCite \textit{A. Nowak} and \textit{K. Stempak}, J. Funct. Anal. 244, No. 2, 399--443 (2007; Zbl 1147.42005) Full Text: DOI
Ciaurri, Óscar; Stempak, Krzysztof Conjugacy for Fourier-Bessel expansions. (English) Zbl 1125.42013 Stud. Math. 176, No. 3, 215-247 (2006). Reviewer: Francisco Perez Acosta (La Laguna) MSC: 42C10 44A20 33C10 PDFBibTeX XMLCite \textit{Ó. Ciaurri} and \textit{K. Stempak}, Stud. Math. 176, No. 3, 215--247 (2006; Zbl 1125.42013) Full Text: DOI
Stempak, K.; Torrea, J. L. Higher Riesz transforms and imaginary powers associated to the harmonic oscillator. (English) Zbl 1111.42002 Acta Math. Hung. 111, No. 1-2, 43-64 (2006). Reviewer: Jörg Wenzel (Jena) MSC: 42C10 42B20 PDFBibTeX XMLCite \textit{K. Stempak} and \textit{J. L. Torrea}, Acta Math. Hung. 111, No. 1--2, 43--64 (2006; Zbl 1111.42002) Full Text: DOI
Nowak, Adam; Stempak, Krzysztof Weighted estimates for the Hankel transform transplantation operator. (English) Zbl 1213.42100 Tohoku Math. J. (2) 58, No. 2, 277-301 (2006). MSC: 42C10 44A20 PDFBibTeX XMLCite \textit{A. Nowak} and \textit{K. Stempak}, Tôhoku Math. J. (2) 58, No. 2, 277--301 (2006; Zbl 1213.42100) Full Text: DOI Link
Ciaurri, Óscar; Stempak, Krzysztof Transplantation and multiplier theorems for Fourier-Bessel expansions. (English) Zbl 1130.42029 Trans. Am. Math. Soc. 358, No. 10, 4441-4465 (2006). Reviewer: László Leindler (Szeged) MSC: 42C10 44A20 PDFBibTeX XMLCite \textit{Ó. Ciaurri} and \textit{K. Stempak}, Trans. Am. Math. Soc. 358, No. 10, 4441--4465 (2006; Zbl 1130.42029) Full Text: DOI
Ciaurri, Óscar; Stempak, Krzysztof; Varona, Juan L. Mean Cesáro-type summability of Fourier-Neumann series. (English) Zbl 1121.42019 Stud. Sci. Math. Hung. 42, No. 4, 413-430 (2005). MSC: 42C10 44A20 PDFBibTeX XMLCite \textit{Ó. Ciaurri} et al., Stud. Sci. Math. Hung. 42, No. 4, 413--430 (2005; Zbl 1121.42019) Full Text: DOI
Stempak, K.; Torrea, J. L. On g-functions for Hermite function expansions. (English) Zbl 1150.42326 Acta Math. Hung. 109, No. 1-2, 99-125 (2005). MSC: 42C10 42B20 PDFBibTeX XMLCite \textit{K. Stempak} and \textit{J. L. Torrea}, Acta Math. Hung. 109, No. 1--2, 99--125 (2005; Zbl 1150.42326) Full Text: DOI
Stempak, Krzysztof; Torrea, José Luis BMO results for operators associated to Hermite expansions. (English) Zbl 1094.42023 Ill. J. Math. 49, No. 4, 1111-1131 (2005). Reviewer: Yang Dachun (Kiel) MSC: 42B25 42B20 42C10 PDFBibTeX XMLCite \textit{K. Stempak} and \textit{J. L. Torrea}, Ill. J. Math. 49, No. 4, 1111--1131 (2005; Zbl 1094.42023)
Betancor, J. J.; Stempak, K. On Hankel conjugate functions. (English) Zbl 1069.42006 Stud. Sci. Math. Hung. 41, No. 1, 59-91 (2004). Reviewer: Jörg Wenzel (Kaiserslautern) MSC: 42A50 42C10 42B20 44A15 PDFBibTeX XMLCite \textit{J. J. Betancor} and \textit{K. Stempak}, Stud. Sci. Math. Hung. 41, No. 1, 59--91 (2004; Zbl 1069.42006) Full Text: DOI
Ciaurri, Óscar; Stempak, Krzysztof; Varona, Juan L. Uniform two-weight norm inequalities for Hankel transform Bochner-Riesz means of order one. (English) Zbl 1096.42010 Tohoku Math. J., II. Ser. 56, No. 3, 371-392 (2004). MSC: 42C10 44A15 44A20 PDFBibTeX XMLCite \textit{Ó. Ciaurri} et al., Tôhoku Math. J. (2) 56, No. 3, 371--392 (2004; Zbl 1096.42010) Full Text: DOI
Stempak, Krzysztof Uniform two-weight norm inequalities for Hankel transform partial sum operators. (English) Zbl 1096.42013 Houston J. Math. 29, No. 4, 1045-1063 (2003). MSC: 42C10 44A15 44A20 PDFBibTeX XMLCite \textit{K. Stempak}, Houston J. Math. 29, No. 4, 1045--1063 (2003; Zbl 1096.42013)
Betancor, Jorge J.; Stempak, Krzysztof A vector valued transference of Fourier-Bessel multipliers onto Hankel multipliers with applications. (English) Zbl 1072.42008 Rend. Circ. Mat. Palermo, II. Ser. 51, No. 1, 199-206 (2002). Reviewer: Elena E. Berdysheva (Stuttgart) MSC: 42B15 42C10 42B10 44A20 PDFBibTeX XMLCite \textit{J. J. Betancor} and \textit{K. Stempak}, Rend. Circ. Mat. Palermo (2) 51, No. 1, 199--206 (2002; Zbl 1072.42008) Full Text: DOI
Stempak, Krzysztof On connections between Hankel, Laguerre and Jacobi transplantations. (English) Zbl 1040.42022 Tohoku Math. J., II. Ser. 54, No. 4, 471-493 (2002). Reviewer: Laszlo Leindler (Szeged) MSC: 42C10 44A20 PDFBibTeX XMLCite \textit{K. Stempak}, Tôhoku Math. J. (2) 54, No. 4, 471--493 (2002; Zbl 1040.42022) Full Text: DOI
Stempak, Krzysztof On convergence and divergence of Fourier-Bessel series. (English) Zbl 1042.42024 ETNA, Electron. Trans. Numer. Anal. 14, 223-235 (2002). Reviewer: Doron S. Lubinsky (Atlanta) MSC: 42C10 33F99 PDFBibTeX XMLCite \textit{K. Stempak}, ETNA, Electron. Trans. Numer. Anal. 14, 223--235 (2002; Zbl 1042.42024) Full Text: EuDML EMIS
Betancor, Jorge J.; Stempak, Krzysztof Relating multipliers and transplantation for Fourier-Bessel expansions and Hankel transform. (English) Zbl 0992.42009 Tohoku Math. J., II. Ser. 53, No. 1, 109-129 (2001). Reviewer: Laszlo Leindler (Szeged) MSC: 42C10 44A20 PDFBibTeX XMLCite \textit{J. J. Betancor} and \textit{K. Stempak}, Tôhoku Math. J. (2) 53, No. 1, 109--129 (2001; Zbl 0992.42009) Full Text: DOI
Stempak, Krzysztof Divergent Laguerre series. (English) Zbl 0983.42019 Proc. Am. Math. Soc. 129, No. 4, 1123-1126 (2001). Reviewer: Michael Cowling (Sydney) MSC: 42C10 33C45 PDFBibTeX XMLCite \textit{K. Stempak}, Proc. Am. Math. Soc. 129, No. 4, 1123--1126 (2001; Zbl 0983.42019) Full Text: DOI
Stempak, Krysztof A transplantation theorem for Fourier-Bessel coefficients. (English) Zbl 0932.42007 Anal. Math. 24, No. 4, 311-318 (1998). Reviewer: László Leindler (Szeged) MSC: 42A16 33C45 42C10 PDFBibTeX XMLCite \textit{K. Stempak}, Anal. Math. 24, No. 4, 311--318 (1998; Zbl 0932.42007) Full Text: DOI
Stempak, Krzysztof; Trebels, Walter Hankel multipliers and transplantation operators. (English) Zbl 1030.42009 Stud. Math. 126, No. 1, 51-66 (1997). MSC: 42B15 42C10 44A20 44A15 47B38 PDFBibTeX XMLCite \textit{K. Stempak} and \textit{W. Trebels}, Stud. Math. 126, No. 1, 51--66 (1997; Zbl 1030.42009) Full Text: arXiv EuDML
Ismail, Mourad E. H.; Stempak, Krzystztof Fourier transform of \(h_ n(x+p)h_ n(x-p)\). (English) Zbl 0878.33005 Int. J. Math. Math. Sci. 20, No. 3, 613-615 (1997). MSC: 33C45 42A38 PDFBibTeX XMLCite \textit{M. E. H. Ismail} and \textit{K. Stempak}, Int. J. Math. Math. Sci. 20, No. 3, 613--615 (1997; Zbl 0878.33005) Full Text: DOI EuDML
Stempak, Krzysztof Transplanting maximal inequalities between Laguerre and Hankel multipliers. (English) Zbl 0866.42006 Monatsh. Math. 122, No. 2, 187-197 (1996). Reviewer: M.Cowling (Sydney) MSC: 42A45 33C55 42C10 PDFBibTeX XMLCite \textit{K. Stempak}, Monatsh. Math. 122, No. 2, 187--197 (1996; Zbl 0866.42006) Full Text: DOI EuDML
Stempak, Krzysztof Equiconvergence for Laguerre function series. (English) Zbl 0973.42016 Stud. Math. 118, No. 3, 285-300 (1996). MSC: 42C10 PDFBibTeX XMLCite \textit{K. Stempak}, Stud. Math. 118, No. 3, 285--300 (1996; Zbl 0973.42016) Full Text: DOI EuDML
Gasper, George; Stempak, Krzysztof; Trebels, Walter Fractional integration for Laguerre expansions. (English) Zbl 0837.42014 Methods Appl. Anal. 2, No. 1, 67-75 (1995). Reviewer: V.Totik (Szeged) MSC: 42C10 42A45 PDFBibTeX XMLCite \textit{G. Gasper} et al., Methods Appl. Anal. 2, No. 1, 67--75 (1995; Zbl 0837.42014) Full Text: DOI arXiv
Stempak, Krzysztof; Trebels, Walter On weighted transplantation and multipliers for Laguerre expansions. (English) Zbl 0814.42015 Math. Ann. 300, No. 2, 203-219 (1994). Reviewer: V.Totik (Szeged) MSC: 42C10 42A45 42B15 PDFBibTeX XMLCite \textit{K. Stempak} and \textit{W. Trebels}, Math. Ann. 300, No. 2, 203--219 (1994; Zbl 0814.42015) Full Text: DOI arXiv EuDML
Stempak, Krzysztof Addendum: Conjugate expansions for ultraspherical functions. (English) Zbl 0806.42014 Tôhoku Math. J., II. Ser. 46, No. 2, 293-294 (1994). MSC: 42C05 42C15 PDFBibTeX XMLCite \textit{K. Stempak}, Tôhoku Math. J. (2) 46, No. 2, 293--294 (1994; Zbl 0806.42014) Full Text: DOI
Gosselin, J.; Stempak, K. Conjugate expansions for Hermite functions. (English) Zbl 0796.33007 Ill. J. Math. 38, No. 2, 177-197 (1994). MSC: 33C45 42C15 42B25 35K05 44A15 PDFBibTeX XMLCite \textit{J. Gosselin} and \textit{K. Stempak}, Ill. J. Math. 38, No. 2, 177--197 (1994; Zbl 0796.33007)
Stempak, Krzysztof Heat-diffusion and Poisson integrals for Laguerre expansions. (English) Zbl 0793.42019 Tôhoku Math. J., II. Ser. 46, No. 1, 83-104 (1994). Reviewer: K.Stempak MSC: 42C15 42C05 42B25 PDFBibTeX XMLCite \textit{K. Stempak}, Tôhoku Math. J. (2) 46, No. 1, 83--104 (1994; Zbl 0793.42019) Full Text: DOI
Stempak, Krzysztof Conjugate expansions for ultraspherical functions. (English) Zbl 0789.42017 Tôhoku Math. J., II. Ser. 45, No. 4, 461-469 (1993). Reviewer: K.Stempak (Wrocław) MSC: 42C05 42C15 PDFBibTeX XMLCite \textit{K. Stempak}, Tôhoku Math. J. (2) 45, No. 4, 461--469 (1993; Zbl 0789.42017) Full Text: DOI
Stempak, K. Almost everywhere summability of Laguerre series. II. (English) Zbl 0808.42016 Stud. Math. 103, No. 3, 317-327 (1992). MSC: 42C15 42C10 43A55 PDFBibTeX XMLCite \textit{K. Stempak}, Stud. Math. 103, No. 3, 317--327 (1992; Zbl 0808.42016) Full Text: DOI EuDML
Stempak, Krzysztof Almost everywhere summability of Laguerre series. (English) Zbl 0731.42027 Stud. Math. 100, No. 2, 129-147 (1991). MSC: 42C15 42C10 43A55 PDFBibTeX XMLCite \textit{K. Stempak}, Stud. Math. 100, No. 2, 129--147 (1991; Zbl 0731.42027) Full Text: DOI EuDML
Stempak, Krzysztof Mean summability methods for Laguerre series. (English) Zbl 0713.42024 Trans. Am. Math. Soc. 322, No. 2, 671-690 (1990). Reviewer: V.Totik MSC: 42C10 42C15 43A55 PDFBibTeX XMLCite \textit{K. Stempak}, Trans. Am. Math. Soc. 322, No. 2, 671--690 (1990; Zbl 0713.42024) Full Text: DOI
Stempak, Krzysztof A new proof of a Watson’s formula. (English) Zbl 0672.33008 Can. Math. Bull. 31, No. 4, 414-418 (1988). Reviewer: E.J.Akutowicz MSC: 33C45 PDFBibTeX XMLCite \textit{K. Stempak}, Can. Math. Bull. 31, No. 4, 414--418 (1988; Zbl 0672.33008) Full Text: DOI