Inequalties for martingales, singular integrals
and related topics, a bibliography

Rodrigo Bañuelos and Prabhu Janakiraman


We make an attempt to compile an extensive list of references to literature on inequalities for martingales, singular integrals and related topics, particularly on results related to the Beurling--Ahlfors operator. Despite our efforts, we are absolutely certain that we have missed many references and would be happy to include them if you would inform us about them by sending us email to banuelos or janakiraman


[1] P. Janakiraman. Limiting weak-type behavior for the riesz transform and maximal operator when λ to infinity. Preprint.
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[2] P. Janakiraman. Limiting weak-type behavior for singular integral and maximal operators. {Submitted}.
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[3] F. W. Gehring. "open problems'' in proceedings of the romanian-finnish seminar on teichmuller spaces and quasiconformal mappings (brasov, romania). Acad. Soc. Rep. Romania, Bucharest (1969), 306.
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[4] O. Dragicevic and A. Volberg. Bellman functions, littlewood-paley estiamtes and asymptotics for the Ahlfors-Beurling operator in Lp, preprint.
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[5] O. Dragicevic and A. Volberg. Bellman functions and dimensionelss estimates of Riesz transforms, preprint.
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[6] A. J. Lindeman R. Bañuelos. The martingale structure of the Beurling-Ahlfors transform. unpublished paper.
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[7] A. N. Kolmogorov. Sur les fonctions harmoniques conjugees et les series de fourier. Fund. Math., 7:24-29, 1925.
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[8] Marcel Riesz. Sur les fonctions conjuguées. Math. Z., 27(1):218-244, 1928.
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[9] R. E. A. C. Paley. A remarkable series of orthogonal functions i. Proc. London Math. Soc., 34:241-264, 1932.
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[10] A. P. Calderon and A. Zygmund. On the existence of certain singular integrals. Acta Math., 88:85-139, 1952.
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[11] J. L. Doob. Stochastic processes. John Wiley & Sons Inc., New York, 1953.
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[12] B. V. Boyarski\i. Homeomorphic solutions of Beltrami systems. Dokl. Akad. Nauk SSSR (N.S.), 102:661-664, 1955.
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[13] A. P. Calderón and A. Zygmund. On singular integrals. Amer. J. Math., 78:289-309, 1956.
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[14] E. M. Stein and Guido Weiss. An extension of a theorem of Marcinkiewicz and some of its applications. J. Math. Mech., 8:263-284, 1959.
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[15] Benjamin Muckenhoupt. On certain singular integrals. Pacific J. Math., 10:239-261, 1960.
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[16] Lars Hörmander. Estimates for translation invariant operators in Lp spaces. Acta Math., 104:93-140, 1960.
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[17] F. John and L. Nirenberg. On functions of bounded mean oscillation. Comm. Pure Appl. Math., 14:415-426, 1961.
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[18] Olli Lehto. Remarks on the integrability of the derivatives of quasiconformal mappings. Ann. Acad. Sci. Fenn. Ser. A I No., 371:8, 1965.
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[19] F. W. Gehring and E. Reich. Area distortion under quasiconformal mappings. Ann. Acad. Sci. Fenn. Ser. A I No., 388:15, 1966.
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[20] D. L. Burkholder. Martingale transforms. Ann. Math. Statist., 37:1494-1504, 1966.
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[21] A. M. Olevski\i. Fourier series and Lebesgue functions. Uspehi Mat. Nauk, 22(3 (135)):237-239, 1967.
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[22] Hiroshi Kunita and Shinzo Watanabe. On square integrable martingales. Nagoya Math. J., 30:209-245, 1967.
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[23] Richard F. Gundy. The martingale version of a theorem of Marcinkiewicz and Zygmund. Ann. Math. Statist, 38:725-734, 1967.
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[24] A. Zygmund. Trigonometric series: Vols. I, II. Second edition, reprinted with corrections and some additions. Cambridge University Press, London, 1968.
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[25] Richard F. Gundy. A decomposition for L1-bounded martingales. Ann. Math. Statist., 39:134-138, 1968.
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[26] Richard F. Gundy. On a class of martingale series. In Orthogonal Expansions and their Continuous Analogues (Proc. Conf., Edwardsville, Ill., 1967), pages 99-102. Southern Illinois Univ. Press, Carbondale, Ill., 1968.
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[27] Richard F. Gundy. On the class L logL, martingales, and singular integrals. Studia Math., 33:109-118, 1969.
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[28] Elias M. Stein. Singular integrals and differentiability properties of functions. Princeton Mathematical Series, No. 30. Princeton University Press, Princeton, N.J., 1970.
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[29] D. L. Burkholder and R. F. Gundy. Extrapolation and interpolation of quasi-linear operators on martingales. Acta Math., 124:249-304, 1970.
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[30] Elias M. Stein and Guido Weiss. Introduction to Fourier analysis on Euclidean spaces. Princeton University Press, Princeton, N.J., 1971.
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[31] D. L. Burkholder, R. F. Gundy, and M. L. Silverstein. A maximal function characterization of the class Hp. Trans. Amer. Math. Soc., 157:137-153, 1971.
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[32] S. K. Pichorides. On the best values of the constants in the theorems of M. Riesz, Zygmund and Kolmogorov. Studia Math., 44:165-179. (errata insert), 1972.
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[33] D. L. Burkholder, B. J. Davis, and R. F. Gundy. Integral inequalities for convex functions of operators on martingales. In Proceedings of the Sixth Berkeley Symposium on Mathematical Statistics and Probability (Univ. California, Berkeley, Calif., 1970/1971), Vol. II: Probability theory, pages 223-240, Berkeley, Calif., 1972. Univ. California Press.
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[34] O. Lehto and K. I. Virtanen. Quasiconformal mappings in the plane. Springer-Verlag, New York, 1973.
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[35] F. W. Gehring. The Lp-integrability of the partial derivatives of a quasiconformal mapping. Acta Math., 130:265-277, 1973.
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[36] Burgess Davis. On the distributions of conjugate functions of nonnegative measures. Duke Math. J., 40:695-700, 1973.
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[37] D. L. Burkholder and R. F. Gundy. Boundary behaviour of harmonic functions in a half-space and Brownian motion. Ann. Inst. Fourier (Grenoble), 23(4):195-212, 1973.
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[38] D. L. Burkholder. Distribution function inequalities for martingales. Ann. Probability, 1:19-42, 1973.
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[39] H. M. Reimann. Functions of bounded mean oscillation and quasiconformal mappings. Comment. Math. Helv., 49:260-276, 1974.
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[40] Burgess Davis. On the weak type (1,1) inequality for conjugate functions. Proc. Amer. Math. Soc., 44:307-311, 1974.
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[41] Bogdan Bojarski and T. Iwaniec. Quasiconformal mappings and non-linear elliptic equations in two variables. I, II. Bull. Acad. Polon. Sci. Sér. Sci. Math. Astronom. Phys., 22:473-478; ibid. 22 (1974), 479-484, 1974.
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[42] B. Maurey. Système de Haar. In Séminaire Maurey-Schwartz 1974-1975: Espaces Lp, applications radonifiantes et géométrie des espaces Banach, Exp. Nos. I et II pages 26 pp. (erratum, p. 1). Centre Math., École Polytech., Paris, 1975.
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[43] Charles Fefferman. Recent progress in classical Fourier analysis. In Proceedings of the International Congress of Mathematicians (Vancouver, B.C., 1974), Vol. 1, pages 95-118. Canad. Math. Congress, Montreal, Que., 1975.
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[44] Olli Lehto. Quasiconformal mappings and singular integrals. In Symposia Mathematica, Vol. XVIII (Convegno sulle Transformazioni Quasiconformi e Questioni Connesse, INDAM, Rome, 1974), pages 429-453. Academic Press, London, 1976.
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[45] R. F. Gundy and N. Th. Varopoulos. A martingale that occurs in harmonic analysis. Ark. Mat., 14(2):179-187, 1976.
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[46] Burgess Davis. On the Lp norms of stochastic integrals and other martingales. Duke Math. J., 43(4):697-704, 1976.
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[47] D. L. Burkholder. Harmonic analysis and probability. In Studies in harmonic analysis (Proc. Conf., DePaul Univ., Chicago, Ill., 1974), pages 136-149. MAA Stud. Math., Vol. 13. Math. Assoc. Amer., Washington, D.C., 1976.
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[48] Bogdan Bojarski. Quasiconformal mappings and general structural properties of systems of non linear equations elliptic in the sense of Lavrent ev. In Symposia Mathematica, Vol. XVIII (Convegno sulle Transformazioni Quasiconformi e Questioni Connesse, INDAM, Rome, 1974), pages 485-499. Academic Press, London, 1976.
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[49] D. L. Burkholder. Exit times of Brownian motion, harmonic majorization, and Hardy spaces. Advances in Math., 26(2):182-205, 1977.
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[50] N. Th. Varopoulos. A remark on functions of bounded mean oscillation and bounded harmonic functions. Addendum to: ``BMO functions and the -equation'' (Pacific J. Math. 71 (1977), no. 1, 221-273). Pacific J. Math., 74(1):257-259, 1978.
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[51] Albert Baernstein, II. Some sharp inequalities for conjugate functions. Indiana Univ. Math. J., 27(5):833-852, 1978.
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[52] N. Th. Varopoulos. B.M.O. functions in complex analysis. In Harmonic analysis in Euclidean spaces (Proc. Sympos. Pure Math., Williams Coll., Williamstown, Mass., 1978), Part 2, Proc. Sympos. Pure Math., XXXV, Part, pages 43-61. Amer. Math. Soc., Providence, R.I., 1979.
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[53] Richard F. Gundy and Nicolas Th. and Varopoulos. Les transformations de Riesz et les intégrales stochastiques. C. R. Acad. Sci. Paris Sér. A-B, 289(1):A13-A16, 1979.
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[54] Burgess Davis. Brownian motion and analytic functions. Ann. Probab., 7(6):913-932, 1979.
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[55] Burgess Davis. Applications of the conformal invariance of Brownian motion. In Harmonic analysis in Euclidean spaces (Proc. Sympos. Pure Math., Williams Coll., Williamstown, Mass., 1978), Part 2, Proc. Sympos. Pure Math., XXXV, Part, pages 303-310. Amer. Math. Soc., Providence, R.I., 1979.
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[56] Nicolas Th. and Varopoulos. Aspects of probabilistic Littlewood-Paley theory. J. Funct. Anal., 38(1):25-60, 1980.
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[57] Peter W. and Jones. Extension theorems for BMO. Indiana Univ. Math. J., 29(1):41-66, 1980.
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[58] R. F. Gundy. Maximal function characterization of Hp for the bidisc. In Harmonic analysis, Iraklion 1978 (Proc. Conf., Univ. Crete, Iraklion, 1978), volume 781 of Lecture Notes in Math., pages 51-58. Springer, Berlin, 1980.
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[59] R. F. Gundy. Inégalités pour martingales à un et deux indices: l'espace Hp. In Eighth Saint Flour Probability Summer School-1978 (Saint Flour, 1978), volume 774 of Lecture Notes in Math., pages 251-334. Springer, Berlin, 1980.
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[60] Burgess Davis. Hardy spaces and rearrangements. Trans. Amer. Math. Soc., 261(1):211-233, 1980.
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[61] Nicolas Th. Varopoulos. A theorem on weak type estimates for Riesz transforms and martingale transforms. Ann. Inst. Fourier (Grenoble), 31(1):viii, 257-264, 1981.
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[62] Nicholas Th. Varopoulos. Probabilistic approach to some problems in complex analysis. Bull. Sci. Math. (2), 105(2):181-224, 1981.
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[63] Elias M. Stein, Mitchell H. Taibleson, and Guido Weiss. Weak type estimates for maximal operators on certain Hp classes. Rend. Circ. Mat. Palermo (2), (suppl. 1):81-97, 1981.
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[64] D. L. Burkholder. A geometrical characterization of Banach spaces in which martingale difference sequences are unconditional. Ann. Probab., 9(6):997-1011, 1981.
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[65] T. Iwaniec. Extremal inequalities in Sobolev spaces and quasiconformal mappings. Z. Anal. Anwendungen, 1(6):1-16, 1982.
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[66] Richard F. Gundy and Martin L. Silverstein. On a probabilistic interpretation for the Riesz transforms. In Functional analysis in Markov processes (Katata/Kyoto, 1981), volume 923 of Lecture Notes in Math., pages 199-203. Springer, Berlin, 1982.
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[67] Claude Dellacherie and Paul-André Meyer. Probabilities and potential. B, volume 72 of North-Holland Mathematics Studies. North-Holland Publishing Co., Amsterdam, 1982.
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[68] D. L. Burkholder. A nonlinear partial differential equation and the unconditional constant of the Haar system in Lp. Bull. Amer. Math. Soc. (N.S.), 7(3):591-595, 1982.
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[69] E. M. Stein and J.-O. Strömberg. Behavior of maximal functions in Rn for large n. Ark. Mat., 21(2):259-269, 1983.
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[70] E. M. Stein. Some results in harmonic analysis in Rn, for n-> . Bull. Amer. Math. Soc. (N.S.), 9(1):71-73, 1983.
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[71] D. L. Burkholder. A geometric condition that implies the existence of certain singular integrals of Banach-space-valued functions. In Conference on harmonic analysis in honor of Antoni Zygmund, Vol. I, II (Chicago, Ill., 1981), Wadsworth Math. Ser., pages 270-286. Wadsworth, Belmont, CA, 1983.
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[72] J. Bourgain. Some remarks on Banach spaces in which martingale difference sequences are unconditional. Ark. Mat., 21(2):163-168, 1983.
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[73] Albert Baernstein, II and Juan J. Manfredi. Topics in quasiconformal mapping. In Topics in modern harmonic analysis, Vol. I, II (Turin/Milan, 1982), pages 819-862. Ist. Naz. Alta Mat. Francesco Severi, Rome, 1983.
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[74] I.E. Verbitsky. An estimate of the norm of a function in hardy space in terms of the norm of its real and imaginary parts. Amer. Math. Soc. Transl, 124:11-15, 1984.
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[75] Terry R. McConnell. On Fourier multiplier transformations of Banach-valued functions. Trans. Amer. Math. Soc., 285(2):739-757, 1984.
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[76] T. Figiel, T. Iwaniec, and A. Pelczynski. Computing norms and critical exponents of some operators in L p-spaces. Studia Math., 79(3):227-274, 1984.
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[77] Richard Durrett. Brownian motion and martingales in analysis. Wadsworth Mathematics Series. Wadsworth International Group, Belmont, CA, 1984.
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[78] D. L. Burkholder. Boundary value problems and sharp inequalities for martingale transforms. Ann. Probab., 12(3):647-702, 1984.
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[79] Boguslaw Tomaszewski. Some sharp weak-type inequalities for holomorphic functions on the unit ball of C n. Proc. Amer. Math. Soc., 95(2):271-274, 1985.
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[80] A. Pelczynski. Norms of classical operators in function spaces. Astérisque, (131):137-162, 1985.
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[81] R. F. Gundy and M. L. Silverstein. The density of the area integral in R n+1 +. Ann. Inst. Fourier (Grenoble), 35(1):215-229, 1985.
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[82] José García-Cuerva and José L. Rubio de Francia. Weighted norm inequalities and related topics, volume 116 of North-Holland Mathematics Studies. North-Holland Publishing Co., Amsterdam, 1985.
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[83] Javier Duoandikoetxea and José L. Rubio de Francia. Estimations indépendantes de la dimension pour les transformées de Riesz. C. R. Acad. Sci. Paris Sér. I Math., 300(7):193-196, 1985.
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[84] D. L. Burkholder. An elementary proof of an inequality of R. E. A. C. Paley. Bull. London Math. Soc., 17(5):474-478, 1985.
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[85] T. Iwaniec. The best constant in a BMO-inequality for the Beurling-Ahlfors transform. Michigan Math. J., 33(3):387-394, 1986.
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[86] Richard F. Gundy. Sur les transformations de Riesz pour le semi-groupe d'Ornstein-Uhlenbeck. C. R. Acad. Sci. Paris Sér. I Math., 303(19):967-970, 1986.
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[87] Donald L. Burkholder. Martingales and Fourier analysis in Banach spaces. In Probability and analysis (Varenna, 1985), volume 1206 of Lecture Notes in Math., pages 61-108. Springer, Berlin, 1986.
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[88] J. Bourgain and W. J. and Davis. Martingale transforms and complex uniform convexity. Trans. Amer. Math. Soc., 294(2):501-515, 1986.
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[89] Jean Bourgain. Vector-valued singular integrals and the H 1-BMO duality. In Probability theory and harmonic analysis (Cleveland, Ohio, 1983), volume 98 of Monogr. Textbooks Pure Appl. Math., pages 1-19. Dekker, New York, 1986.
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[90] Rodrigo Bañuelos. Martingale transforms and related singular integrals. Trans. Amer. Math. Soc., 293(2):547-563, 1986.
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[91] E. M. Stein. Problems in harmonic analysis related to curvature and oscillatory integrals. In Proceedings of the International Congress of Mathematicians, Vol. 1, 2 (Berkeley, Calif., 1986), pages 196-221, Providence, RI, 1987. Amer. Math. Soc.
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[92] Tadeusz Iwaniec. Hilbert transform in the complex plane and area inequalities for certain quadratic differentials. Michigan Math. J., 34(3):407-434, 1987.
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[93] F. W. Gehring. Topics in quasiconformal mappings. In Proceedings of the International Congress of Mathematicians, Vol. 1, 2 (Berkeley, Calif., 1986), pages 62-80, Providence, RI, 1987. Amer. Math. Soc.
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[94] D. L. Burkholder. A sharp and strict L p-inequality for stochastic integrals. Ann. Probab., 15(1):268-273, 1987.
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[95] Rodrigo Bañuelos. A note on martingale transforms and A p-weights. Studia Math., 85(2):125-135, 1987.
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[96] Gilles Pisier. Riesz transforms: a simpler analytic proof of P.-A. Meyer's inequality. In Séminaire de Probabilités, XXII, volume 1321 of Lecture Notes in Math., pages 485-501. Springer, Berlin, 1988.
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[97] Donald L. Burkholder. Sharp inequalities for martingales and stochastic integrals. Astérisque, (157-158):75-94, 1988.
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[98] Rodrigo Bañuelos and Andrew G. Bennett. Paraproducts and commutators of martingale transforms. Proc. Amer. Math. Soc., 103(4):1226-1234, 1988.
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[99] Rodrigo Bañuelos. A sharp good-λ inequality with an application to Riesz transforms. Michigan Math. J., 35(1):117-125, 1988.
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[100] R. F. Gundy. Some martingale inequalities with applications to harmonic analysis. J. Funct. Anal., 87(1):212-230, 1989.
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[101] Richard F. Gundy. Some topics in probability and analysis, volume 70 of CBMS Regional Conference Series in Mathematics. Published for the Conference Board of the Mathematical Sciences, Washington, DC, 1989.
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[102] S. K. Donaldson and D. P. Sullivan. Quasiconformal 4-manifolds. Acta Math., 163(3-4):181-252, 1989.
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[103] Bernard Dacorogna. Direct methods in the calculus of variations, volume 78 of Applied Mathematical Sciences. Springer-Verlag, Berlin, 1989.
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[104] Donald L. Burkholder. Differential subordination of harmonic functions and martingales. In Harmonic analysis and partial differential equations (El Escorial, 1987), volume 1384 of Lecture Notes in Math., pages 1-23. Springer, Berlin, 1989.
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[105] Donald L. Burkholder. On the number of escapes of a martingale and its geometrical significance. In Almost everywhere convergence (Columbus, OH, 1988), pages 159-178. Academic Press, Boston, MA, 1989.
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[106] Vladimír Sverák. Examples of rank-one convex functions. Proc. Roy. Soc. Edinburgh Sect. A, 114(3-4):237-242, 1990.
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[107] B. Dacorogna, J. Douchet, W. Gangbo, and J. Rappaz. Some examples of rank one convex functions in dimension two. Proc. Roy. Soc. Edinburgh Sect. A, 114(1-2):135-150, 1990.
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[108] Gang and Wang. Sharp square-function inequalities for conditionally symmetric martingales. Trans. Amer. Math. Soc., 328(1):393-419, 1991.
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[109] Gang and Wang. Sharp maximal inequalities for conditionally symmetric martingales and Brownian motion. Proc. Amer. Math. Soc., 112(2):579-586, 1991.
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[110] Gang and Wang. Sharp inequalities for the conditional square function of a martingale. Ann. Probab., 19(4):1679-1688, 1991.
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[111] Donald L. Burkholder. Explorations in martingale theory and its applications. In École d'Été de Probabilités de Saint-Flour XIX-1989, volume 1464 of Lecture Notes in Math., pages 1-66. Springer, Berlin, 1991.
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[112] Vladimír Sverák. New examples of quasiconvex functions. Arch. Rational Mech. Anal., 119(4):293-300, 1992.
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[113] Vladimír Sverák. Rank-one convexity does not imply quasiconvexity. Proc. Roy. Soc. Edinburgh Sect. A, 120(1-2):185-189, 1992.
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[114] Tadeusz Iwaniec. L p-theory of quasiregular mappings. In Quasiconformal space mappings, volume 1508 of Lecture Notes in Math., pages 39-64. Springer, Berlin, 1992.
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[115] Sheldon Axler, Paul Bourdon, and Wade Ramey. Harmonic function theory, volume 137 of Graduate Texts in Mathematics. Springer-Verlag, New York, 1992.
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[116] Elias M. Stein. Harmonic analysis: real-variable methods, orthogonality, and oscillatory integrals, volume 43 of Princeton Mathematical Series. Princeton University Press, Princeton, NJ, 1993.
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[117] Tadeusz Iwaniec and Gaven Martin. Quasiregular mappings in even dimensions. Acta Math., 170(1):29-81, 1993.
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[118] Tadeusz Iwaniec and Adam Lutoborski. Integral estimates for null Lagrangians. Arch. Rational Mech. Anal., 125(1):25-79, 1993.
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[119] E. B. Fabes. Gaussian upper bounds on fundamental solutions of parabolic equations; the method of Nash. In Dirichlet forms (Varenna, 1992), volume 1563 of Lecture Notes in Math., pages 1-20. Springer, Berlin, 1993.
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[120] Stephen M. Buckley. Estimates for operator norms on weighted spaces and reverse Jensen inequalities. Trans. Amer. Math. Soc., 340(1):253-272, 1993.
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[121] K. Astala, J. L. Fernández, , and S. and Rohde. Quasilines and the Hayman-Wu theorem. Indiana Univ. Math. J., 42(4):1077-1100, 1993.
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[122] Kari Astala. Distortion of area and dimension under quasiconformal mappings in the plane. Proc. Nat. Acad. Sci. U.S.A., 90(24):11958-11959, 1993.
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[123] N.Ya. Krupnik and I.E. Vertisky. The norm of the riesz projection. In Linear and Complex Analysis Problems Book 3, Part I. Lecture Notes in Mathemtics 1543. Edited by V.P. Havin and N.K. Nokolski. Springer, 1994.
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[124] T. Iwaniec, L. Migliaccio, L. Nania, and C. Sbordone. Integrability and removability results for quasiregular mappings in high dimensions. Math. Scand., 75(2):263-279, 1994.
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[125] Cristian E. Gutiérrez. On the Riesz transforms for Gaussian measures. J. Funct. Anal., 120(1):107-134, 1994.
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[126] Eugene B. Fabes, Cristian E. Gutiérrez, and Roberto Scotto. Weak-type estimates for the Riesz transforms associated with the Gaussian measure. Rev. Mat. Iberoamericana, 10(2):229-281, 1994.
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[127] Bernard Dacorogna. Some recent results on polyconvex, quasiconvex and rank one convex functions. In Calculus of variations, homogenization and continuum mechanics (Marseille, 1993), volume 18 of Ser. Adv. Math. Appl. Sci., pages 169-176. World Sci. Publishing, River Edge, NJ, 1994.
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[128] Donald L. Burkholder. Strong differential subordination and stochastic integration. Ann. Probab., 22(2):995-1025, 1994.
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[129] K. Astala and M. Zinsmeister. Holomorphic families of quasi-Fuchsian groups. Ergodic Theory Dynam. Systems, 14(2):207-212, 1994.
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[130] Kari Astala. Area distortion of quasiconformal mappings. Acta Math., 173(1):37-60, 1994.
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[131] Gang and Wang. Differential subordination and strong differential subordination for continuous-time martingales and related sharp inequalities. Ann. Probab., 23(2):522-551, 1995.
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[132] Richard Rochberg. Size estimates for eigenvalues of singular integral operators and Schrödinger operators and for derivatives of quasiconformal mappings. Amer. J. Math., 117(3):711-771, 1995.
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[133] A. Erëmenko and D. H. Hamilton. On the area distortion by quasiconformal mappings. Proc. Amer. Math. Soc., 123(9):2793-2797, 1995.
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[134] Richard F. Bass. Probabilistic techniques in analysis. Probability and its Applications (New York). Springer-Verlag, New York, 1995.
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[135] Rodrigo Bañuelos and Gang and Wang. Sharp inequalities for martingales with applications to the Beurling-Ahlfors and Riesz transforms. Duke Math. J., 80(3):575-600, 1995.
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[136] K. Astala and M. Zinsmeister. Abelian coverings, Poincaré exponent of convergence and holomorphic deformations. Ann. Acad. Sci. Fenn. Ser. A I Math., 20(1):81-86, 1995.
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[137] Kari Astala and Michel Zinsmeister. Rectifiability in Teichmüller theory. In Topics in complex analysis (Warsaw, 1992), volume 31 of Banach Center Publ., pages 45-52. Polish Acad. Sci., Warsaw, 1995.
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[138] Kari Astala. The many faces of mathematics. Arkhimedes, 47(4):308-319, 1995.
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[139] V. Nesi. Quasiconformal mappings as a tool to study certain two-dimensional G-closure problems. Arch. Rational Mech. Anal., 134(1):17-51, 1996.
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[140] Tadeusz Iwaniec and Gaven Martin. Riesz transforms and related singular integrals. J. Reine Angew. Math., 473:25-57, 1996.
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[141] Cristian E. Gutiérrez, Carlos Segovia, and José Luis and Torrea. On higher Riesz transforms for Gaussian measures. J. Fourier Anal. Appl., 2(6):583-596, 1996.
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[178] Liliana Forzani, Roberto Scotto, and Wilfredo Urbina. A simple proof of the L p continuity of the higher order Riesz transforms with respect to the Gaussian measure γ d. In Séminaire de Probabilités, XXXV, volume 1755 of Lecture Notes in Math., pages 162-166. Springer, Berlin, 2001.
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[181] K. Astala and G. J. Martin. Holomorphic motions. In Papers on analysis, volume 83 of Rep. Univ. Jyväskylä Dep. Math. Stat., pages 27-40. Univ. Jyväskylä, Jyväskylä, 2001.
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[183] S. Petermichl and J. and Wittwer. A sharp estimate for the weighted Hilbert transform via Bellman functions. Michigan Math. J., 50(1):71-87, 2002.
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[190] Loukas Grafakos and Rodolfo H. Torres. On multilinear singular integrals of Calderón-Zygmund type. Publ. Mat., (Vol. Extra):57-91, 2002.
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[191] Loukas Grafakos and Rodolfo H. Torres. Maximal operator and weighted norm inequalities for multilinear singular integrals. Indiana Univ. Math. J., 51(5):1261-1276, 2002.
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[206] Kari Astala and Vincenzo Nesi. Composites and quasiconformal mappings: new optimal bounds in two dimensions. Calc. Var. Partial Differential Equations, 18(4):335-355, 2003.
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