VOLUME 51

ISSUE 1
Title: Obstructing four-torsion in the classical knot concordance group
Authors: C. Livingston and S. Naik
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Title: On a linearity problem for proper holomorphic maps between balls in complex spaces of different dimensions
Authors: X. Huang
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Title: Weil-Peterson convexity of the energy functional on classical and universal Teichmuller spaces
Authors: S. Yamada
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Title: The Weyl upper bound on the discrete spectrum of locally symmetric spaces
Authors: L. Ji
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Title: Instanton Floer homology for knotx via 3-orbifolds
Authors: O. Collin and B. Steer
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ISSUE 2
Title: GR => SW From pseudo-holomorphic curves to Seiberg-Witten solutions.
Authors: C.H. Taubes
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Title: Collapsed manifolds with pinched positive sectional curvature
Authors: X. Rong
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Title: Critical sets of solutions to elliptic equations
Authors: R. Hardt, M. Hoffmann-Ostenhof, T. Hoffmann-Ostenhof, and N. Nadirashvili
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Title: An analytic compactification of symplectic group
Authors: H. L. He
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ISSUE 3
Title: Equivalent holomorphic Morse inequalities II: Torus and non-Abelian group actions
Authors: S. Wu
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Title: Equations of the moduli of pointed curves in the infinite Grassmannian
Authors: J.M. Munoz and F. J. Plaza
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Title: Hausdorff dimension and conformal dynamics I: Strong convergence of Kleinian groups
Authors: C.T. McMullen
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Title: The moduli space of hyperbolic cone structures
Authors: Q. Zhou
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Title: Harmonic maps on hyperbolic spaces with singular boundary value
Authors: Y. Shi, L.-F. Tam, and T. Y.-H. Wan,
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