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 149, Number 6
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Loose edges and factorization theorems: Janusz Gwoździewicz, Beata Gryszka and Bernd Schober; Proc. Amer. Math. Soc. 149 (2021), 2265-2278; DOI: https://doi.org/10.1090/proc/14720; Published electronically: March 23, 2021; PDF

Time analyticity of solutions to the heat equation on graphs: Fengwen Han, Bobo Hua and Lili Wang; Proc. Amer. Math. Soc. 149 (2021), 2279-2290; DOI: https://doi.org/10.1090/proc/15089; Published electronically: March 23, 2021; PDF

$q$-Deformation of the Kac-Sylvester tridiagonal matrix: J. F. van Diejen; Proc. Amer. Math. Soc. 149 (2021), 2291-2304; DOI: https://doi.org/10.1090/proc/15413; Published electronically: March 18, 2021; PDF

Non-split linear sharply 2-transitive groups: Yair Glasner and Dennis D. Gulko; Proc. Amer. Math. Soc. 149 (2021), 2305-2317; DOI: https://doi.org/10.1090/proc/15360; Published electronically: March 16, 2021; PDF

A symmetric function generalization of the Zeilberger–Bressoud $q$-Dyson theorem: Yue Zhou; Proc. Amer. Math. Soc. 149 (2021), 2319-2331; DOI: https://doi.org/10.1090/proc/15399; Published electronically: March 18, 2021; PDF

Positive solutions for large random linear systems: Pierre Bizeul and Jamal Najim; Proc. Amer. Math. Soc. 149 (2021), 2333-2348; DOI: https://doi.org/10.1090/proc/15383; Published electronically: March 25, 2021; PDF

The Farrell–Jones conjecture for normally poly-free groups: Benjamin Brück, Dawid Kielak and Xiaolei Wu; Proc. Amer. Math. Soc. 149 (2021), 2349-2356; DOI: https://doi.org/10.1090/proc/15357; Published electronically: March 23, 2021; PDF

Comparing the density of $D_4$ and $S_4$ quartic extensions of number fields: Matthew Friedrichsen and Daniel Keliher; Proc. Amer. Math. Soc. 149 (2021), 2357-2369; DOI: https://doi.org/10.1090/proc/15358; Published electronically: March 23, 2021; PDF

An improved lower bound on multicolor Ramsey numbers: Yuval Wigderson; Proc. Amer. Math. Soc. 149 (2021), 2371-2374; DOI: https://doi.org/10.1090/proc/15447; Published electronically: March 22, 2021; PDF

Four exponentials conjecture of Drinfeld modules: Mao-Sheng Li; Proc. Amer. Math. Soc. 149 (2021), 2375-2380; DOI: https://doi.org/10.1090/proc/15389; Published electronically: March 29, 2021; PDF

A conjecture of Watkins for quadratic twists: Jose A. Esparza-Lozano and Hector Pasten; Proc. Amer. Math. Soc. 149 (2021), 2381-2385; DOI: https://doi.org/10.1090/proc/15376; Published electronically: March 25, 2021; PDF

On the homology of the commutator subgroup of the pure braid group: Andrea Bianchi; Proc. Amer. Math. Soc. 149 (2021), 2387-2401; DOI: https://doi.org/10.1090/proc/15404; Published electronically: March 29, 2021; PDF

On the Northcott property and local degrees: S. Checcoli and A. Fehm; Proc. Amer. Math. Soc. 149 (2021), 2403-2414; DOI: https://doi.org/10.1090/proc/15411; Published electronically: March 26, 2021; PDF

Infinite-step stationarity of rotor walk and the wired spanning forest: Swee Hong Chan; Proc. Amer. Math. Soc. 149 (2021), 2415-2428; DOI: https://doi.org/10.1090/proc/15476; Published electronically: March 26, 2021; PDF

Cycles, cocycles, and duality on tropical manifolds: Andreas Gross and Farbod Shokrieh; Proc. Amer. Math. Soc. 149 (2021), 2429-2444; DOI: https://doi.org/10.1090/proc/15468; Published electronically: March 26, 2021; PDF

Crystallographic multiwavelets in $L^2(\mathbb {R}^d)$: Ursula Molter and Alejandro Quintero; Proc. Amer. Math. Soc. 149 (2021), 2445-2460; DOI: https://doi.org/10.1090/proc/13998; Published electronically: March 29, 2021; PDF

Instability of periodic orbits by Conley–Zehnder index theory: Yanxia Deng and Zhihong Xia; Proc. Amer. Math. Soc. 149 (2021), 2461-2472; DOI: https://doi.org/10.1090/proc/14253; Published electronically: March 16, 2021; PDF

Strict $2$-convexity of convex solutions to the quadratic Hessian equation: Connor Mooney; Proc. Amer. Math. Soc. 149 (2021), 2473-2477; DOI: https://doi.org/10.1090/proc/15454; Published electronically: March 25, 2021; PDF

Interior $C^2$ estimate for Monge-Ampère equation in dimension two: Jiakun Liu; Proc. Amer. Math. Soc. 149 (2021), 2479-2486; DOI: https://doi.org/10.1090/proc/15459; Published electronically: March 22, 2021; PDF

Shears for quasisymmetric maps: Dragomir Šarić; Proc. Amer. Math. Soc. 149 (2021), 2487-2499; DOI: https://doi.org/10.1090/proc/15437; Published electronically: March 29, 2021; PDF

Local mixing on abelian covers of hyperbolic surfaces with cusps: Wenyu Pan; Proc. Amer. Math. Soc. 149 (2021), 2501-2514; DOI: https://doi.org/10.1090/proc/15340; Published electronically: March 22, 2021; PDF

Hardy’s inequalities in finite dimensional Hilbert spaces: Dimitar K. Dimitrov, Ivan Gadjev, Geno Nikolov and Rumen Uluchev; Proc. Amer. Math. Soc. 149 (2021), 2515-2529; DOI: https://doi.org/10.1090/proc/15467; Published electronically: March 26, 2021; PDF

Convexification of super weakly compact sets and measure of super weak noncompactness: Kun Tu; Proc. Amer. Math. Soc. 149 (2021), 2531-2538; DOI: https://doi.org/10.1090/proc/15393; Published electronically: March 22, 2021; PDF

Fiber Julia sets of polynomial skew products with super-saddle fixed points: Shizuo Nakane; Proc. Amer. Math. Soc. 149 (2021), 2539-2550; DOI: https://doi.org/10.1090/proc/15345; Published electronically: March 16, 2021; PDF

Residual finiteness for central pushouts: Alexandru Chirvasitu; Proc. Amer. Math. Soc. 149 (2021), 2551-2559; DOI: https://doi.org/10.1090/proc/15368; Published electronically: March 23, 2021; PDF

Fine’s function and partial theta function: Heng Huat Chan, Song Heng Chan, Kuo-Jye Chen and Sen-Shan Huang; Proc. Amer. Math. Soc. 149 (2021), 2561-2572; DOI: https://doi.org/10.1090/proc/15380; Published electronically: March 29, 2021; PDF

Uniform local amenability implies Property A: Gábor Elek; Proc. Amer. Math. Soc. 149 (2021), 2573-2577; DOI: https://doi.org/10.1090/proc/15387; Published electronically: March 18, 2021; PDF

The diametral strong diameter 2 property of Banach spaces is the same as the Daugavet property: Vladimir Kadets; Proc. Amer. Math. Soc. 149 (2021), 2579-2582; DOI: https://doi.org/10.1090/proc/15448; Published electronically: March 22, 2021; PDF

If not distinguished, is $C_{p}\left ( X\right )$ even close?: J. C. Ferrando and Stephen A. Saxon; Proc. Amer. Math. Soc. 149 (2021), 2583-2596; DOI: https://doi.org/10.1090/proc/15439; Published electronically: March 25, 2021; PDF

On the existence and uniqueness of weak solutions to time-fractional elliptic equations with time-dependent variable coefficients: Hoang The Tuan; Proc. Amer. Math. Soc. 149 (2021), 2597-2608; DOI: https://doi.org/10.1090/proc/15533; Published electronically: March 29, 2021; PDF

Geometric Newton inequalities: James M. Ni; Proc. Amer. Math. Soc. 149 (2021), 2609-2623; DOI: https://doi.org/10.1090/proc/15372; Published electronically: March 25, 2021; PDF

The conic geometry of rectangles inscribed in lines: Bruce Olberding and Elaine A. Walker; Proc. Amer. Math. Soc. 149 (2021), 2625-2638; DOI: https://doi.org/10.1090/proc/15374; Published electronically: March 18, 2021; PDF

On superstability in the class of flat modules and perfect rings: Marcos Mazari-Armida; Proc. Amer. Math. Soc. 149 (2021), 2639-2654; DOI: https://doi.org/10.1090/proc/15359; Published electronically: March 22, 2021; PDF

Discrete subsets in topological groups and countable extremally disconnected groups: Evgenii Reznichenko and Ol’ga Sipacheva; Proc. Amer. Math. Soc. 149 (2021), 2655-2668; DOI: https://doi.org/10.1090/proc/13992; Published electronically: March 16, 2021; PDF

On minimal manifolds: Jan P. Boroński and George Kozlowski; Proc. Amer. Math. Soc. 149 (2021), 2669-2672; DOI: https://doi.org/10.1090/proc/15186; Published electronically: March 16, 2021; PDF

Nonembeddability of persistence diagrams with $p>2$ Wasserstein metric: Alexander Wagner; Proc. Amer. Math. Soc. 149 (2021), 2673-2677; DOI: https://doi.org/10.1090/proc/15451; Published electronically: March 29, 2021; PDF

Free minimal actions of solvable Lie groups which are not affable: Fernando Alcalde Cuesta, Álvaro Lozano Rojo and Matilde Martínez; Proc. Amer. Math. Soc. 149 (2021), 2679-2691; DOI: https://doi.org/10.1090/proc/15365; Published electronically: March 18, 2021; PDF

The space of persistence diagrams on $n$ points coarsely embeds into Hilbert space: Atish Mitra and Žiga Virk; Proc. Amer. Math. Soc. 149 (2021), 2693-2703; DOI: https://doi.org/10.1090/proc/15363; Published electronically: March 22, 2021; PDF

Nonexistence of NNSC fill-ins with large mean curvature: Pengzi Miao; Proc. Amer. Math. Soc. 149 (2021), 2705-2709; DOI: https://doi.org/10.1090/proc/15400; Published electronically: March 29, 2021; PDF