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Proceedings of the American Mathematical Society

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

Contents of Volume 26, Number 4

All articles in this issue are freely accessible.

Products of Abelian subgroups
Bernhard Amberg and W. R. Scott.
Proc. Amer. Math. Soc. 26 (1970), 541-547
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MathSciNet review: 0267001
Reducing the rank of $(A-𝜆B)$
Gerald L. Thompson and Roman L. Weil.
Proc. Amer. Math. Soc. 26 (1970), 548-554
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MathSciNet review: 0266418
Complete ideals and monoidal transforms
Arthur Mattuck.
Proc. Amer. Math. Soc. 26 (1970), 555-560
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MathSciNet review: 0265362
Absolutely pure modules
Charles Megibben.
Proc. Amer. Math. Soc. 26 (1970), 561-566
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MathSciNet review: 0294409
The cohomology ring of a finite group scheme
Gustave Efroymson.
Proc. Amer. Math. Soc. 26 (1970), 567-570
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MathSciNet review: 0266928
Uniqueness of generators of principal ideals in rings of continuous functions
M. J. Canfell.
Proc. Amer. Math. Soc. 26 (1970), 571-573
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MathSciNet review: 0288109
A combinatorial problem and congruences for the Rayleigh function
F. T. Howard.
Proc. Amer. Math. Soc. 26 (1970), 574-578
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MathSciNet review: 0266853
A root of unity occurring in partition theory
Peter Hagis.
Proc. Amer. Math. Soc. 26 (1970), 579-582
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MathSciNet review: 0265308
A special class of Moufang loops
Hala Orlik-Pflugfelder.
Proc. Amer. Math. Soc. 26 (1970), 583-586
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MathSciNet review: 0265498
$K_{1}$ of projective $r$-spaces
Leslie G. Roberts.
Proc. Amer. Math. Soc. 26 (1970), 587-592
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MathSciNet review: 0280501
The spectral radius of a direct integral of operators
T. R. Chow.
Proc. Amer. Math. Soc. 26 (1970), 593-597
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MathSciNet review: 0283603
A variation-of-parameters inequality
David Lowell Lovelady.
Proc. Amer. Math. Soc. 26 (1970), 598-602
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MathSciNet review: 0435526
On the operational calculus for groups of operators
Shmuel Kantorovitz.
Proc. Amer. Math. Soc. 26 (1970), 603-608
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MathSciNet review: 0271768
Pseudo-uniform convexity of $H^{1}$ in several variables
Laurence D. Hoffmann.
Proc. Amer. Math. Soc. 26 (1970), 609-614
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MathSciNet review: 0268656
Fixed point theorems for mappings with a contractive iterate at a point
L. F. Guseman.
Proc. Amer. Math. Soc. 26 (1970), 615-618
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MathSciNet review: 0266010
On the convexity of lemniscates
Dorothy Browne Shaffer.
Proc. Amer. Math. Soc. 26 (1970), 619-620
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MathSciNet review: 0271313
On the ideal structure of the algebra of radial functions
Alan Schwartz.
Proc. Amer. Math. Soc. 26 (1970), 621-624
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MathSciNet review: 0265865
An approximation theorem for $\overline∂$-closed forms of type $(n,n-1)$
Barnet M. Weinstock.
Proc. Amer. Math. Soc. 26 (1970), 625-628
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MathSciNet review: 0265638
A comparision theorem for Hamiltonian vector fields
Alan Weinstein and Jerrold Marsden.
Proc. Amer. Math. Soc. 26 (1970), 629-631
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MathSciNet review: 0273648
Completeness of Hamiltonian vector fields
David G. Ebin.
Proc. Amer. Math. Soc. 26 (1970), 632-634
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MathSciNet review: 0278340
Square integrable solutions of $Ly=f(t,y)$
Anton Zettl.
Proc. Amer. Math. Soc. 26 (1970), 635-639
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MathSciNet review: 0267213
A brief derivation of the Heisenberg commutation relations
Reese T. Prosser.
Proc. Amer. Math. Soc. 26 (1970), 640-641
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MathSciNet review: 0290673
A short proof of Berger’s curvature tensor estimates
Hermann Karcher.
Proc. Amer. Math. Soc. 26 (1970), 642-644
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MathSciNet review: 0270304
The solvability of the word problem for certain semigroups
Ann Yasuhara.
Proc. Amer. Math. Soc. 26 (1970), 645-650
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MathSciNet review: 0268257
An equivalent form of Lévy’s axiom schema
Murray Jorgensen.
Proc. Amer. Math. Soc. 26 (1970), 651-654
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MathSciNet review: 0269498
Some results on expansive mappings
Richard K. Williams.
Proc. Amer. Math. Soc. 26 (1970), 655-663
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MathSciNet review: 0266186
Higher homotopy commutativity and extension of maps
F. D. Williams.
Proc. Amer. Math. Soc. 26 (1970), 664-670
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MathSciNet review: 0273613
Imbedding free cyclic group actions in circle group actions
Jeffrey L. Tollefson.
Proc. Amer. Math. Soc. 26 (1970), 671-673
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MathSciNet review: 0267580
A $2$-sphere of vetical order $5$ bounds a $3$-cell
L. D. Loveland.
Proc. Amer. Math. Soc. 26 (1970), 674-678
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MathSciNet review: 0268871
A characterization of $N$-compact spaces
Kim-peu Chew.
Proc. Amer. Math. Soc. 26 (1970), 679-682
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MathSciNet review: 0267534
A note on stable homotopy modules
Donald W. Kahn.
Proc. Amer. Math. Soc. 26 (1970), 683-686
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MathSciNet review: 0270368
Span of lens spaces
Kôichi Iwata.
Proc. Amer. Math. Soc. 26 (1970), 687-688
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MathSciNet review: 0267600
$H$-spaces and the suspension homomorphism
H. B. Haslam.
Proc. Amer. Math. Soc. 26 (1970), 689-694
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MathSciNet review: 0273609
Regular-closed, Urysohn-closed and completely Hausdorff-closed spaces.
H. Herrlich.
Proc. Amer. Math. Soc. 26 (1970), 695-698
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MathSciNet review: 0268838
The Künneth formula and abelian monoids
Jean-Pierre Meyer.
Proc. Amer. Math. Soc. 26 (1970), 699-700
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MathSciNet review: 0271929
Errata: “Products of Hermitian matrices and symmetries”
Heydar Radjavi.
Proc. Amer. Math. Soc. 26 (1970), 701
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MathSciNet review: 0265379