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Articles are published on the AMS website individually soon after proof is returned from authors and before appearing in an issue (most recently published article listed first).
Citing articles before they appear in a journal issue
All articles in this issue are freely accessible.
 Commentary: Three decades after Cathleen Synge Morawetz’s paper “The mathematical approach to the sonic barrier”

Irene M. Gamba.
Bull. Amer. Math. Soc.
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 Commentary on “Nonunique tangent maps at isolated singularities of harmonic maps” by Brian White

William P. Minicozzi II.
Bull. Amer. Math. Soc.
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 Afterword to the article “Arithmetic on curves”

B. Mazur.
Bull. Amer. Math. Soc.
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 Introductory comments for the 2018 Editors’ Choice issue

Susan Friedlander.
Bull. Amer. Math. Soc.
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 Commentary on “Differentiable dynamical systems” by Stephen Smale

Maciej Zworski.
Bull. Amer. Math. Soc.
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 Commentary on “Arithmetic on curves” by Barry Mazur

Burt Totaro.
Bull. Amer. Math. Soc.
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 Commentary on “Longest increasing subsequences: from patience sorting to the Baik–Deift–Johansson theorem” by David Aldous and Persi Diaconis

Ivan Corwin.
Bull. Amer. Math. Soc.
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 Commentary on “Ergodic theory of amenable group actions”: Old and new

Bryna Kra.
Bull. Amer. Math. Soc.
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 Afterword: Dynamical zeta functions for Axiom A flows

Semyon Dyatlov and Colin Guillarmou.
Bull. Amer. Math. Soc.
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 Commentary on “Numbers of solutions of equations in finite fields” by André Weil

Mark Goresky.
Bull. Amer. Math. Soc.
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 An introduction to univalent foundations for mathematicians

Daniel R. Grayson.
Bull. Amer. Math. Soc.
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 On the genesis of Robert P. Langlands’ conjectures and his letter to André Weil

Julia Mueller.
Bull. Amer. Math. Soc.
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 About the cover: Waring’s problems

Gerald L. Alexanderson and Leonard F. Klosinski.
Bull. Amer. Math. Soc.
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Mathematical Perspectives
 Selections Reprinted from "Mathematical Reviews"

Bull. Amer. Math. Soc.
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Book Reviews
Book reviews do not contain an abstract. You may download each review in this issue using the links below.
 The theory of $\mathcal{H}(b)$ spaces, Vol. 1, by Emmanuel Fricain and Javad Mashreghi.
 The theory of $\mathcal{H}(b)$ spaces, Vol. 2, by Emmanuel Fricain and Javad Mashreghi.

Reviewer: Brett D. Wick
Bull. Amer. Math. Soc.
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 Prime numbers and the Riemann hypothesis, by Barry Mazur and William Stein.

Reviewer: Peter Sarnak
Bull. Amer. Math. Soc.
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 Analytic combinatorics in several variables, by Robin Pemantle and Mark C. Wilson.

Reviewer: Robert Sedgewick
Bull. Amer. Math. Soc.
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 Phylogeny—discrete and random processes in evolution, by Mike Steel.

Reviewer: Sebastien Roch
Bull. Amer. Math. Soc.
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 Computer age statistical inference: Algorithms, evidence, and data science, by Bradley Efron and Trevor Hastie.

Reviewer: Robert B. Gramacy
Bull. Amer. Math. Soc.
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 Expansion in finite simple groups of Lie type, by Terence Tao.

Reviewer: Alexander Lubotzky
Bull. Amer. Math. Soc.
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 Teichmüller theory and applications to geometry, topology, and dynamics. Volume 1: Teichmüller theory, by J. H. Hubbard.
 Teichmüller theory and applications to geometry, topology, and dynamics. Volume 2: Surface homeomorphisms and rational functions, by J. H. Hubbard.

Reviewer: Athanase Papadopoulos
Bull. Amer. Math. Soc.
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 Metric geometry of locally compact groups, by Yves Cornulier and Pierre de la Harpe.

Reviewer: V. Nekrashevych
Bull. Amer. Math. Soc.
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 Handbook of enumerative combinatorics, edited by Miklós Bóna.

Reviewer: Robin Pemantle
Bull. Amer. Math. Soc.
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 The endoscopic classification of representations—orthogonal and symplectic groups, by James Arthur.

Reviewer: Freydoon Shahidi
Bull. Amer. Math. Soc.
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 Algorithms for data science, by Brian Steele, John Chandler and Swarna Reddy.

Reviewers: Richard D. De Veaux and Nicholas R. De Veaux
Bull. Amer. Math. Soc.
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 Functions with disconnected spectrum: Sampling, interpolation, translates, by Alexander M. Olevskii and Alexander Ulanovskii.

Reviewer: Mishko Mitkovski
Bull. Amer. Math. Soc.
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