Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2024 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Contents of Volume 148, Number 7
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The family of perfect ideals of codimension 3, of type 2 with 5 generators: Ela Celikbas, Jai Laxmi, Witold Kraśkiewicz and Jerzy Weyman; Proc. Amer. Math. Soc. 148 (2020), 2745-2755; DOI: https://doi.org/10.1090/proc/14646; Published electronically: March 30, 2020; PDF

On the structure of the Sally module and the second normal Hilbert coefficient: Shreedevi K. Masuti, Kazuho Ozeki, Maria Evelina Rossi and Hoang Le Truong; Proc. Amer. Math. Soc. 148 (2020), 2757-2771; DOI: https://doi.org/10.1090/proc/14839; Published electronically: April 14, 2020; PDF

Random Gromov’s monsters do not act non-elementarily on hyperbolic spaces: Dominik Gruber, Alessandro Sisto and Romain Tessera; Proc. Amer. Math. Soc. 148 (2020), 2773-2782; DOI: https://doi.org/10.1090/proc/14754; Published electronically: March 18, 2020; PDF

The action of a Coxeter element on an affine root system: Nathan Reading and Salvatore Stella; Proc. Amer. Math. Soc. 148 (2020), 2783-2798; DOI: https://doi.org/10.1090/proc/14769; Published electronically: April 16, 2020; PDF

Cubic forms having matrix factorizations by Hessian matrices: Yeongrak Kim; Proc. Amer. Math. Soc. 148 (2020), 2799-2809; DOI: https://doi.org/10.1090/proc/14993; Published electronically: March 25, 2020; PDF

Turán number of bipartite graphs with no $K_{t,t}$: Benny Sudakov and István Tomon; Proc. Amer. Math. Soc. 148 (2020), 2811-2818; DOI: https://doi.org/10.1090/proc/15042; Published electronically: April 9, 2020; PDF

A characterization of hereditary algebras via thick subcategories: Yuta Kimura; Proc. Amer. Math. Soc. 148 (2020), 2819-2822; DOI: https://doi.org/10.1090/proc/15036; Published electronically: April 9, 2020; PDF

On the order dimension of locally countable partial orderings: Kojiro Higuchi, Steffen Lempp, Dilip Raghavan and Frank Stephan; Proc. Amer. Math. Soc. 148 (2020), 2823-2833; DOI: https://doi.org/10.1090/proc/14946; Published electronically: February 26, 2020; PDF

Morphisms between two constructions of Witt vectors of non-commutative rings: Supriya Pisolkar; Proc. Amer. Math. Soc. 148 (2020), 2835-2842; DOI: https://doi.org/10.1090/proc/14992; Published electronically: March 30, 2020; PDF

A bound on the primes of bad reduction for CM curves of genus $3$: Pınar Kılıçer, Kristin Lauter, Elisa Lorenzo García, Rachel Newton, Ekin Ozman and Marco Streng; Proc. Amer. Math. Soc. 148 (2020), 2843-2861; DOI: https://doi.org/10.1090/proc/14975; Published electronically: March 30, 2020; PDF

The Lindelöf hypothesis for primes is equivalent to the Riemann hypothesis: Steven M. Gonek, Sidney W. Graham and Yoonbok Lee; Proc. Amer. Math. Soc. 148 (2020), 2863-2875; DOI: https://doi.org/10.1090/proc/14974; Published electronically: March 17, 2020; PDF

An estimate of the Hopf degree of fractional Sobolev mappings: Armin Schikorra and Jean Van Schaftingen; Proc. Amer. Math. Soc. 148 (2020), 2877-2891; DOI: https://doi.org/10.1090/proc/15026; Published electronically: March 25, 2020; PDF

Composition–differentiation operators on the Hardy space: Mahsa Fatehi and Christopher N. B. Hammond; Proc. Amer. Math. Soc. 148 (2020), 2893-2900; DOI: https://doi.org/10.1090/proc/14898; Published electronically: March 18, 2020; PDF

Sum of irreducible operators in von Neumann factors: Junhao Shen and Rui Shi; Proc. Amer. Math. Soc. 148 (2020), 2901-2908; DOI: https://doi.org/10.1090/proc/14910; Published electronically: February 4, 2020; PDF

On the anti-Wick symbol as a Gelfand-Shilov generalized function: L. Amour, N. Lerner and J. Nourrigat; Proc. Amer. Math. Soc. 148 (2020), 2909-2914; DOI: https://doi.org/10.1090/proc/14933; Published electronically: February 26, 2020; PDF

Subgaussianity is hereditarily determined: Pandelis Dodos and Konstantinos Tyros; Proc. Amer. Math. Soc. 148 (2020), 2915-2930; DOI: https://doi.org/10.1090/proc/14947; Published electronically: February 18, 2020; PDF

Regularity of $R(X)$ does not pass to finite unions: J. F. Feinstein; Proc. Amer. Math. Soc. 148 (2020), 2931-2936; DOI: https://doi.org/10.1090/proc/14944; Published electronically: March 18, 2020; PDF

The Lane-Emden equation with variable double-phase and multiple regime: Claudianor O. Alves and Vicenţiu D. Rădulescu; Proc. Amer. Math. Soc. 148 (2020), 2937-2952; DOI: https://doi.org/10.1090/proc/15050; Published electronically: April 9, 2020; PDF

Evolution of the radius of spatial analyticity for the periodic BBM equation: A. Alexandrou Himonas and Gerson Petronilho; Proc. Amer. Math. Soc. 148 (2020), 2953-2967; DOI: https://doi.org/10.1090/proc/14942; Published electronically: February 26, 2020; PDF

On the Helicity conservation for the incompressible Euler equations: Luigi De Rosa; Proc. Amer. Math. Soc. 148 (2020), 2969-2979; DOI: https://doi.org/10.1090/proc/14952; Published electronically: February 26, 2020; PDF

Global smoothness for a 1D supercritical transport model with nonlocal velocity: Lucas C. F. Ferreira and Valter V. C. Moitinho; Proc. Amer. Math. Soc. 148 (2020), 2981-2995; DOI: https://doi.org/10.1090/proc/14984; Published electronically: March 17, 2020; PDF

Entire solutions and a Liouville theorem for a class of parabolic equations on the real line: P. Poláčik; Proc. Amer. Math. Soc. 148 (2020), 2997-3008; DOI: https://doi.org/10.1090/proc/14978; Published electronically: March 2, 2020; PDF

$L^p$ regularity of least gradient functions: Wojciech Górny; Proc. Amer. Math. Soc. 148 (2020), 3009-3019; DOI: https://doi.org/10.1090/proc/15031; Published electronically: April 9, 2020; PDF

CR regular embeddings of $S^{4n-1}$ in $\mathbb {C}^{2n+1}$: Naohiko Kasuya; Proc. Amer. Math. Soc. 148 (2020), 3021-3024; DOI: https://doi.org/10.1090/proc/14962; Published electronically: March 17, 2020; PDF

Dynamics of a parabolic-ODE competition system in heterogeneous environments: Yuan Lou and Rachidi B. Salako; Proc. Amer. Math. Soc. 148 (2020), 3025-3038; DOI: https://doi.org/10.1090/proc/14972; Published electronically: March 17, 2020; PDF

Harmonic symmetries for Hermitian manifolds: Scott O. Wilson; Proc. Amer. Math. Soc. 148 (2020), 3039-3045; DOI: https://doi.org/10.1090/proc/14997; Published electronically: March 18, 2020; PDF

Crystallization for Coulomb and Riesz interactions as a consequence of the Cohn-Kumar conjecture: Mircea Petrache and Sylvia Serfaty; Proc. Amer. Math. Soc. 148 (2020), 3047-3057; DOI: https://doi.org/10.1090/proc/15003; Published electronically: March 23, 2020; PDF

Uniqueness of minimal surfaces, Jacobi fields,and flat structures: Hojoo Lee; Proc. Amer. Math. Soc. 148 (2020), 3059-3071; DOI: https://doi.org/10.1090/proc/14941; Published electronically: March 18, 2020; PDF

A note on compact $\kappa$-solutions of Kähler-Ricci flow: Yuxing Deng and Xiaohua Zhu; Proc. Amer. Math. Soc. 148 (2020), 3073-3078; DOI: https://doi.org/10.1090/proc/14931; Published electronically: February 18, 2020; PDF

Angle sums of random simplices in dimensions $3$ and $4$: Zakhar Kabluchko; Proc. Amer. Math. Soc. 148 (2020), 3079-3086; DOI: https://doi.org/10.1090/proc/14934; Published electronically: February 26, 2020; PDF

Positive Ricci curvature on simply-connected manifolds with cohomogeneity-two torus actions: Diego Corro and Fernando Galaz-García; Proc. Amer. Math. Soc. 148 (2020), 3087-3097; DOI: https://doi.org/10.1090/proc/14961; Published electronically: March 31, 2020; PDF

Hindman-like theorems with uncountably many colours and finite monochromatic sets: David Fernández-Bretón and Sung Hyup Lee; Proc. Amer. Math. Soc. 148 (2020), 3099-3112; DOI: https://doi.org/10.1090/proc/14649; Published electronically: March 16, 2020; PDF

A structure of punctual dimension two: Alexander Melnikov and Keng Meng Ng; Proc. Amer. Math. Soc. 148 (2020), 3113-3128; DOI: https://doi.org/10.1090/proc/15020; Published electronically: April 14, 2020; PDF

A note on the normal filters extension property: Yair Hayut; Proc. Amer. Math. Soc. 148 (2020), 3129-3133; DOI: https://doi.org/10.1090/proc/14939; Published electronically: March 18, 2020; PDF

Biquandle module invariants of oriented surface-links: Yewon Joung and Sam Nelson; Proc. Amer. Math. Soc. 148 (2020), 3135-3148; DOI: https://doi.org/10.1090/proc/14826; Published electronically: April 14, 2020; PDF

Bottleneck stability for generalized persistence diagrams: Alex McCleary and Amit Patel; Proc. Amer. Math. Soc. 148 (2020), 3149-3161; DOI: https://doi.org/10.1090/proc/14929; Published electronically: March 30, 2020; PDF

Strong multiplicity one theorems for locally homogeneous spaces of compact-type: Emilio A. Lauret and Roberto J. Miatello; Proc. Amer. Math. Soc. 148 (2020), 3163-3173; DOI: https://doi.org/10.1090/proc/14980; Published electronically: March 2, 2020; PDF

Classification of exterior and proper fibrations: J. M. García-Calcines, P. R. García-Díaz and A. Murillo; Proc. Amer. Math. Soc. 148 (2020), 3175-3185; DOI: https://doi.org/10.1090/proc/14956; Published electronically: February 26, 2020; PDF

Roots of unity in $K(n)$-local rings: Sanath Devalapurkar; Proc. Amer. Math. Soc. 148 (2020), 3187-3194; DOI: https://doi.org/10.1090/proc/14960; Published electronically: February 26, 2020; PDF

Erratum to “Second main theorems for meromorphic mappings and moving hyperplanes with truncated counting functions”: Si Duc Quang; Proc. Amer. Math. Soc. 148 (2020), 3195-3197; DOI: https://doi.org/10.1090/proc/14955; Published electronically: April 15, 2020; PDF

Erratum to “The ergodicity of weak Hilbert spaces”: Razvan Anisca; Proc. Amer. Math. Soc. 148 (2020), 3199-3201; DOI: https://doi.org/10.1090/proc/14912; Published electronically: April 15, 2020; PDF