Contents of Volume 109, Number 1
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- Matrix generation of Pythagorean $n$-tuples
- Daniel Cass and Pasquale J. Arpaia PDF
- Proc. Amer. Math. Soc. 109 (1990), 1-7
- Filtrations of rational representations of reductive groups of semisimple rank $1$
- Stephen Doty PDF
- Proc. Amer. Math. Soc. 109 (1990), 9-22
- On the number of self-dual bases of $\textrm {GF}(q^ m)$ over $\textrm {GF}(q)$
- Dieter Jungnickel, Alfred J. Menezes and Scott A. Vanstone PDF
- Proc. Amer. Math. Soc. 109 (1990), 23-29
- On the smoothed Toeplitz extensions and $K$-theory
- Ronghui Ji PDF
- Proc. Amer. Math. Soc. 109 (1990), 31-38
- PI semigroup algebras of linear semigroups
- Jan Okniński and Mohan S. Putcha PDF
- Proc. Amer. Math. Soc. 109 (1990), 39-46
- Commuting and centralizing mappings in prime rings
- J. Vukman PDF
- Proc. Amer. Math. Soc. 109 (1990), 47-52
- Rationality of some genus $0$ extensions of $K(X)$
- James K. Deveney and Joe Yanik PDF
- Proc. Amer. Math. Soc. 109 (1990), 53-58
- Notes on the Baumslag-Solitar non-residually finite examples
- Robert I. Campbell PDF
- Proc. Amer. Math. Soc. 109 (1990), 59-62
- Betti numbers for modules of finite length
- Hara Charalambous, E. Graham Evans and Matthew Miller PDF
- Proc. Amer. Math. Soc. 109 (1990), 63-70
- $\mathcal {C}_1$ is uniformly Kadec-Klee
- Chris Lennard PDF
- Proc. Amer. Math. Soc. 109 (1990), 71-77
- A linearization of the circular maximal operator
- Daniel M. Oberlin PDF
- Proc. Amer. Math. Soc. 109 (1990), 79-84
- Hardy inequalities
- Andreas Wannebo PDF
- Proc. Amer. Math. Soc. 109 (1990), 85-95
- Stable unit balls in Orlicz spaces
- Antonio Suárez Granero PDF
- Proc. Amer. Math. Soc. 109 (1990), 97-104
- The existence of absolutely continuous invariant measures for $C^ {1+\epsilon }$ Jablonski transformation in $\textbf {R}^ n$
- You-Shi Lou PDF
- Proc. Amer. Math. Soc. 109 (1990), 105-112
- Properties on the unit circle of polynomials with unimodular coefficients
- Donald J. Newman and André Giroux PDF
- Proc. Amer. Math. Soc. 109 (1990), 113-116
- On the characterization of $H^ p(\textbf {R}^ n)$ in terms of Fourier multipliers
- Akihito Uchiyama PDF
- Proc. Amer. Math. Soc. 109 (1990), 117-123
- Copies of $l_ \infty$ in $L^ p(\mu ;X)$
- José Mendoza PDF
- Proc. Amer. Math. Soc. 109 (1990), 125-127
- Convolution in the harmonic Hardy class $h^ p$ with $0<p<1$
- Miroslav Pavlović PDF
- Proc. Amer. Math. Soc. 109 (1990), 129-134
- Norms of positive operators on $L^ p$-spaces
- Ralph Howard and Anton R. Schep PDF
- Proc. Amer. Math. Soc. 109 (1990), 135-146
- Principal eigenvalues for problems with indefinite weight function on $\textbf {R}^ n$
- K. J. Brown, C. Cosner and J. Fleckinger PDF
- Proc. Amer. Math. Soc. 109 (1990), 147-155
- On the equation $\textrm {div} (\vert \nabla u\vert ^ {p-2}\nabla u)+\lambda \vert u\vert ^ {p-2}u=0$
- Peter Lindqvist PDF
- Proc. Amer. Math. Soc. 109 (1990), 157-164
- On the theorem of Frullani
- Juan Arias-de-Reyna PDF
- Proc. Amer. Math. Soc. 109 (1990), 165-175
- On eigenvalue problems of $p$-Laplacian with Neumann boundary conditions
- Yin Xi Huang PDF
- Proc. Amer. Math. Soc. 109 (1990), 177-184
- A note on exponential integrability and pointwise estimates of Littlewood-Paley functions
- Mark Leckband PDF
- Proc. Amer. Math. Soc. 109 (1990), 185-194
- Locally efficient monotone operators
- Andrei Verona and Maria Elena Verona PDF
- Proc. Amer. Math. Soc. 109 (1990), 195-204
- On closed twisted curves
- Sueli I. Rodrigues Costa PDF
- Proc. Amer. Math. Soc. 109 (1990), 205-214
- On the sectional curvature of compact hypersurfaces
- Leslie Coghlan and Yoe Itokawa PDF
- Proc. Amer. Math. Soc. 109 (1990), 215-221
- Maps between orbifolds
- Masayuki Yamasaki PDF
- Proc. Amer. Math. Soc. 109 (1990), 223-232
- Restrictions of open mappings of continua
- Witold D. Bula and E. D. Tymchatyn PDF
- Proc. Amer. Math. Soc. 109 (1990), 233-235
- First countability and local simple connectivity of one point unions
- Katsuya Eda PDF
- Proc. Amer. Math. Soc. 109 (1990), 237-241
- Rotation sets of toral flows
- John Franks and Michał Misiurewicz PDF
- Proc. Amer. Math. Soc. 109 (1990), 243-249
- Decreasing chains without lower bounds in the Rudin-Frolík order
- Eva Butkovičová PDF
- Proc. Amer. Math. Soc. 109 (1990), 251-259
- Three cardinal functions similar to net weight
- Roy A. Johnson, Eliza Wajch and Władysław Wilczyński PDF
- Proc. Amer. Math. Soc. 109 (1990), 261-268
- On Rhoades’ open questions
- Shih-sen Chang and Qi Chun Zhong PDF
- Proc. Amer. Math. Soc. 109 (1990), 269-274
- Large compact separable spaces may all contain $\beta \textbf {N}$
- Alan Dow PDF
- Proc. Amer. Math. Soc. 109 (1990), 275-279
- A partition theorem for $[0,1]$
- H. J. Prömel and B. Voigt PDF
- Proc. Amer. Math. Soc. 109 (1990), 281-285