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Pozitív definit függvények, extremális problémák és alkalmazásaik
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Ezen az oldalon az NKFI Elektronikus Pályázatkezelő Rendszerében nyilvánosságra hozott projektjeit tekintheti meg.
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Böröczky, K., Jr.: The stability of the Rogers-Shephard inequality., Adv. Math., 190 (2005), 47-76., 2005 | Sz. Revesz: On some extremal problems of Landau, Serdica Math. J., 33 (2007), 125-162., 2007 | M. Kolountzakis, Sz. Revesz: On pointwise estimates of positive definite functions with given support, Canad. J. Math. 58 (2), 401-418., 2006 | B. Farkas, Sz. Revesz: Tiles with no spectra in dimension 4, Mathematica Scandinavica, 98, no. 1, 44-52., 2006 | M. Matolcsi, J. Réffy, F. Szöllősi: Constructions of Complex Hadamard matrices via tiling Abelian groups, Open Systems & Information Dynamics, 14, (2007) 247-263., 2007 | M. Kolountzakis, M. Matolcsi: Tiles with no spectra, Forum Math., 18 (2006), 519-528., 2006 | V. Anagnostopoulos, Sz. Revesz: Polarization constants for products of linear functionals over R2 and C2 and Chebyshev constants, Publ. Math. Debrecen, 68 (2006)/1-2, 63-75., 2006 | M. Matolcsi: A geometric estimate on the norm of product of functionals, Linear Algebra Appl. 405, (2005), 304-310, 2005 | Böröczky, K., Jr.: Finite coverings in the hyperbolic plane, Discrete and Computational Geometry, 33 (2005), 165--180, 2005 | A. Halmschlager, M. Matolcsi: Minimal positive realizations for a class of transfer functions,, IEEE Trans. Circ. Syst. II, 52, vol. 4, 177-180., 2005 | A. Horváth: Weighted Hermite-Fejér Interpolation on the Real Line, Acta Math. Hung., 115(1-2)(2007), 101-131., 2007 | A. Iosevich, M. N. Kolountzakis, M. Matolcsi: Covering the plane by rotations of a lattice arrangement of disks, Complex and Harmonic Analysis, Proc. of the Conference, Thessaloniki, May 25-27, 2006, Destech Publ. Inc., 2007 (eds:A. Carbery, P. Duren, D. Khavison, A. G. Siskakis), 2007 | K. Böröczky, T. Réti, G. Wintsche: On the combinatorial characterization of quasicrystals, J. Geometry and Physics 57, 39-52., 2006 | K. Böröczky, K. Böröczky (Jr.), G. Wintsche: Typical faces of extremal polytopes with respect to a thin three-dimensional shell, Periodica Math. Hung. 53 no. 1-2, 83-102., 2006 | K. Böröczky (Jr.), J. Pach, G. Tóth: Planar crossing numbers of graphs embeddable in another surface, Int. J. Found. Comput. Sci. 17, 1005-1017., 2006 | W. Czaja, P. Jaming, M. Matolcsi: An efficient algorithm for positive realizations, Systems & Control Letters, 57 (2008), no. 5, 436-441., 2008 | A Horváth, K. Kazarian: The Dirichlet problem in weighted norm, Prerint of the A. Rényi Institute of Math., # 9/2006, 2006 | K. J. Böröczky, R. Schneider: Stable determination of convex bodies from sections, Studia Math. Sci. Hung., közlésre elfogadva, 2007 | K. J. Böröczky, R. Schneider: Circumscribed simpleces of minimal mean width, Beit. Alg. Geom. 48 (2007), 217-224., 2007 | K. J. Böröczky, I. Z. Ruzsa: Note on an inequality of Wegner, Disc. Comp. Geom. 37 (2007), 245-249., 2007 | K. Böröczky, K. J. Böroczky: Polytopes of minimal volume with respect to a shell - another characterization ..., Disc. Comp. Geom. 38 (2007), 231-241., 2007 | K. Böröczky, K. J. Böroczky: A stability property of the octahedron and the icosahedron, Publ. Math. Debrecen 71(2007), 449-466., 2007 | Sz. Révész, N. N. Reyes, G. A. M. Velasco: Oscillation of Fourier transforms and Markov-Bernstein inequalities, J. Approx. Theeory 145 (2007), 100.110., 2007 | B. Farkas, Sz. Révész: Decomposition as the sum of invariant functions with respect to commuting transformations, Aequationes Math. 73 (2007), 233-248., 2007 | B. Farkas, V. Harangi, T. Keleti, Sz. Révész: Invariant decomposition of functions with respect to commuting invertible transformations, Proc. Amer. Math. Soc., 136 (2008) No. 4, 1325-1336, 2008 | A. Bonami, Sz. Révész: Integral concentration of idempotent trigonometric polynomials,, J. Amer. Math. Soc, közlésre elfogadva, 2009 | A. Bonami, Sz. Gy. Révész: Failure of Wiener's property for positive definite periodic functions, Comptes Rendus Acad. Sci. Paris, Vol. 346, Issues 1-2, 2008, 39-44., 2007 | P. Jaming, M. Matolcsi, Sz. Revesz: On the extremal rays of the cone of positive, positive definite functions, J. Fourier Anal. Appl., közlésre elfogadva, 2008 | G. A. Munoz-Fernandez, Sz. Gy. Révész, J. B. Seoane-Sepúlveda: Geometry of homogeneous polynomials on non symmetric convex bodies, Math. Scand. 104 (2008), 1-14., 2008 | Sz. Gy. Révész, A. San-Antolín: Equivalence of A-approximate continuity for self-adjoint expansive linear maps, Lin. Alg. Appl. 429 Issue 7 (2008), 1504-0521., 2008 | B. Farkas, Sz. Gy. Révész: Positive bases in spaces of polynomials, Positivity 12 # 4 (2008), 691-709., 2008 | D. Burns, N. Levenberg, S. Ma'u, Sz. Révész: Monge-Ampére measures for convex bodies and Bernstein-Markov type inequalities, Trans. Amer. Math. Soc., közlésre elfogadva, 2009 | A. Horváth: Biorthonormal Systems in Freud-type Weighted Spaces with infinitely Many Zeros - an Interpolation Problem,, preprint, arXiv:0811.0289v1 [math.CA], 2007 | K.J. Böröczky; F. Fodor: Approximating 3-dimensional convex bodies by polytopes with a restricted number of edges, Beit. Alg. Geom, 49 (2008), 177-193., 2008 | K.J. Böröczky; L.M. Hoffmann; D. Hug: Expectation of mean projections of random polytopes, Periodica Math. Hungarica, 57 (2008), 143-164., 2008 | K. Böröczky; K.J. Böröczky; C. Schütt; G. Wintsche: Convex bodies of minimal volume, surface area and mean width with respect to thin shells, Canadian Journal of Mathematics, 60 (2008), 3-32., 2008 | K.J. Böröczky; Salvador S. Gomez; P. Tick: Volume approximation of smooth convex bodies by three-polytopes of restricted number of edges, Monats. Math., 153 (2008), 23-48, 2008 | M. N. Kolountzakis, M. Matolcsi: Algorithms for translational tiling, (közlésre elküldve), 2008 | A. Bonami, Sz. Révész: Concentration of the integral norm of idempotents, Fractals and Related Fields, Proc. Conf. in Honor of J. Peyriére, Birkhauser, 2009 | B. Farkas, Sz. Revesz: Rendezvous numbers in normed spaces, Bull. Austr. Math. Soc., 72 (2005), 423--440., 2005 | B. Farkas, M. Matolcsi, P. Móra: On Fuglede’s conjecture and the existence of universal spectra, J. Fourier Anal. Appl., Volume 12, Number 5, (2006), 483-494., 2006 | B. Farkas, Sz. Révész: Rendezvous numbers of metric spaces - a potential theoretic approach, Archiv der Mathematik, 86, 268-281., 2006 | B. Farkas, Sz. Révész: Potential theoretic approach to rendezvous numbers, Monatshefte für Mathematik, 148, 309-331., 2006 | M. Kolountzakis, Sz. Revesz: Turán's extremal problem for positive definite functions on groups, J. London Math. Soc. 74, 475-496., 2006 | M. Kolountzakis, M. Matolcsi: Complex Hadamard matrices and the spectral set conjecture, Collectanea Mathematica, (2006), Vol. Extra, 281-291., 2006 | M. Matolcsi, G. Munoz: On the real polarization problem,, Math. Ineq. Appl., vol. 9/3, (2006) 485-494., 2006 | A. Horváth: Abel summation in Hermite type weighted spaces with singularities, East J. Approx. 13(2007), 357-385., 2007 | K. Gyarmati, M. Matolcsi, I. Z. Ruzsa: A superadditivity and submultiplicativity property for cardinalities of sumsets, Combinatorica, (közlésre elfogadva), 2008 | K.J. Böröczky; R. Schneider: A characterization of the duality mapping for convex bodies, Geom. Func. Analysis (GAFA), 18 (2008), 657-667., 2008 |
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