CONTENTS VOLUME 64, 1991 ALEXEEV, VALERY. Ample Weil divisors on K3 surfaces with Du Val singularities BANUELOS, RODRIGO, RICHARD F. Bass, AND KRZYSZTOF BURDzY. H6lder domains and the boundary Harnack principle. ..................... 195 Bass, RICHARD F., RODRIGO BANUELOS, AND KRZYSZTOF BuRDZy. Ho6lder domains and the boundary Harnack principle. ..................... BELL, STEVE. The Szeg6 projection and the classical objects of potential theory in the plane BURDZY, KRZYSZTOF, RODRIGO BANUELOS, AND RICHARD F. Bass. H6lder domains and the boundary Harnack principle. ..................... CANARY, RICHARD D. The Poincaré metric and a conformal version of a theorem of Thurston. CHANG, SUN-YUNG A. AND PauL C. YANG. A perturbation result in prescribing scalar curvature on S" CHAVEL, ISAAC AND EDGAR A. FELDMAN. Modified isoperimetric constants, and large time heat diffusion in Riemannian manifolds. CHRISTIAN, ULRICH. Erganzung zu “Uber die scatteringmatrix elliptischer Modulgruppen D’AGNOLO, ANDREA AND PIERRE SCHAPIRA. An inverse image theorem for sheaves with applications to the Cauchy problem. .................. 451 DERRIDJ, MAKHLOUF AND Davip S. TARTAKOFF. Local analyticity for the é-Neumann problem and{],—some model domains without maximal IY so ha Reb thas aiiekwcs bend ee eo ea hie beck ee 377 Diaz, Ricarpo L. Boundary regularity of a canonical solution of the 4, IIs 550k 65055 65s ay oN notin sO ee brea hai dndexeeeha 149 FELDMAN, EDGAR A. AND ISAAC CHAVEL. Modified isoperimetric constants, and large time heat diffusion in Riemannian manifolds. GLOBEVNIK, JOSIP AND EDGAR LeEE Stout. Boundary Morera theorems for holomorphic functions of several complex variables. GMIRA, ABDELILAH AND LAURENT VERON. Boundary singularities of solutions of some nonlinear elliptic equations. GREENLEAF, ALLAN AND GUNTHER UHLMANN. Composition of some singular Fourier integral operators and estimates for restricted X-ray transforms, Il. HERBST, IRA AND ERIK SKIBSTED. Time-dependent approach to radiation conditions. KHuRI, HALA HALIM. Heights on the moduli space of Riemann surfaces with circle boundaries. KRONHEIMER, P. B. Instanton invariants and flat connections on the SUN aire aed o's ache Nxes a Rs RS 229 Lal, K. F. On Arthur’s class expansion of the relative trace formula. LasZLo, Yves. Un théoréme de RRiemann pour les diviseurs théta sur les espaces de modules de fibrés stables sur une courbe. CONTENTS VOLUME 64, 1991 ALEXEEV, VALERY. Ample Weil divisors on K3 surfaces with Du Val singularities BANUELOS, RODRIGO, RICHARD F. Bass, AND KRZYSZTOF BURDzY. H6lder domains and the boundary Harnack principle. ..................... 195 Bass, RICHARD F., RODRIGO BANUELOS, AND KRZYSZTOF BuRDZy. Ho6lder domains and the boundary Harnack principle. ..................... BELL, STEVE. The Szeg6 projection and the classical objects of potential theory in the plane BURDZY, KRZYSZTOF, RODRIGO BANUELOS, AND RICHARD F. Bass. H6lder domains and the boundary Harnack principle. ..................... CANARY, RICHARD D. The Poincaré metric and a conformal version of a theorem of Thurston. CHANG, SUN-YUNG A. AND PauL C. YANG. A perturbation result in prescribing scalar curvature on S" CHAVEL, ISAAC AND EDGAR A. FELDMAN. Modified isoperimetric constants, and large time heat diffusion in Riemannian manifolds. CHRISTIAN, ULRICH. Erganzung zu “Uber die scatteringmatrix elliptischer Modulgruppen D’AGNOLO, ANDREA AND PIERRE SCHAPIRA. An inverse image theorem for sheaves with applications to the Cauchy problem. .................. 451 DERRIDJ, MAKHLOUF AND Davip S. TARTAKOFF. Local analyticity for the é-Neumann problem and{],—some model domains without maximal IY so ha Reb thas aiiekwcs bend ee eo ea hie beck ee 377 Diaz, Ricarpo L. Boundary regularity of a canonical solution of the 4, IIs 550k 65055 65s ay oN notin sO ee brea hai dndexeeeha 149 FELDMAN, EDGAR A. AND ISAAC CHAVEL. Modified isoperimetric constants, and large time heat diffusion in Riemannian manifolds. GLOBEVNIK, JOSIP AND EDGAR LeEE Stout. Boundary Morera theorems for holomorphic functions of several complex variables. GMIRA, ABDELILAH AND LAURENT VERON. Boundary singularities of solutions of some nonlinear elliptic equations. GREENLEAF, ALLAN AND GUNTHER UHLMANN. Composition of some singular Fourier integral operators and estimates for restricted X-ray transforms, Il. HERBST, IRA AND ERIK SKIBSTED. Time-dependent approach to radiation conditions. KHuRI, HALA HALIM. Heights on the moduli space of Riemann surfaces with circle boundaries. KRONHEIMER, P. B. Instanton invariants and flat connections on the SUN aire aed o's ache Nxes a Rs RS 229 Lal, K. F. On Arthur’s class expansion of the relative trace formula. LasZLo, Yves. Un théoréme de RRiemann pour les diviseurs théta sur les espaces de modules de fibrés stables sur une courbe. MoriwakI, ATSUSHI. A note on Bogomolov-Gieseker’s inequality in positive characteristic. Morris, LAWRENCE. Fundamental G-strata for classical groups. ......... 501 REINECK, JAMES F. Continuation to gradient flows. RUDNICK, ZEEV AND HENRIK SCHLICHTKRULL. Decay of eigenfunctions on semisimple symmetric spaces. Salto, SHUJI. Torsion zero-cycles and étale homology of singular schemes.. 71 SARNAK, PETER AND XIAOXI XUE. Bounds for multiplicities of automorphic SIE a 5cn0s + vas bist ne Hs eee 207 SCHAPIRA, PIERRE AND ANDREA D’AGNOLO. An inverse image theorem for sheaves with applications to the Cauchy problem. SCHLICHTKRULL, HENRIK AND ZEEV RUDNICK. Decay of eigenfunctions on semisimple symmetric spaces. SHIMADA, ICHIRO. On the cylinder homomorphism for a family of algebraic COUN. nn 5 on vineeigizaw ns siete tae ahys Mokenshed ee eee 201 SKIBSTED, ERIK AND IRA HERBST. Time-independent approach to radiation conditions. STouT, EDGAR LEE AND Josip GLOBEVNIK. Boundary Morera theoems for holomorphic functions of several complex variables. TARTAKOFF, DAVID S. AND MAKHLOUF DEDRRIDJ. Local analyticity for the é-Neumann problem and [],—some model domains without maximal estimates. UHLMANN, GUNTHER AND ALLAN GREENLEAF. Composition of some singular Fourier integral operators and estimates for restricted X-ray transforms, Il. VERON, LAURENT AND ABDELILAH GMIRA. Boundary singularities of solutions of some nonlinear elliptic equations. WISNIEWSKI, JAROSLAW A. On deformation of nef values. ............... 325 XUE, XIAOXI AND PETER SARNAK. Bounds for multiplicities of automorphic SUI sso 5k a ge ihe K pn ee a +s 207 XUE, XIAOXI. On the first Betti numbers of hyperbolic surfaces. .......... 85 YANG, PauL. C. AND SUN-YUNG A. CHANG. A perturbation result in prescribing scalar curvature on S” YE, ZHUAN. On Nevanlinna’s error terms. Zuo, KANG. The moduli spaces of some rank-2 stable vector bundles over algebraic K 3-surfaces.