Transactions of the AMS. Year 1944. Volume 055. Number 00.


Approximation theories for measure preserving transformations
Paul R. Halmos
1-18


Some results in the theory of quasigroups
Richard H. Bruck
19-52


Interpolation and approximation by functions analytic and bounded in a given region
E. N. Nilson; J. L. Walsh
53-67


Some properties of ideals in rings of power series
Claude Chevalley
68-84


Positive temperatures on an infinite rod
D. V. Widder
85-95


Quasi-analyticity and analytic continuation---a general principle
S. Mandelbrojt
96-131


The identity of weak and strong extensions of differential operators
K. O. Friedrichs
132-151


On the extension of linear transformations
Andrew Sobczyk
153-169


On certain integrals
A. Zygmund
170-204


A theory of covering and differentiation
Anthony P. Morse
205-235


The $\phi$ rectifiable subsets of the plane
A. P. Morse; John F. Randolph
236-305


Tensor theory of invariants for the projective differential geometry of a curved surface
Thomas C. Doyle
306-348


On a problem of Walsh concerning the Hadamard three circles theorem
Maurice H. Heins
349-372


Contributions to the analytic theory of $J$-fractions
H. S. Wall; Marion Wetzel
373-392


Postulate-sets for Boolean rings
B. A. Bernstein
393-400


Quasigroups. II
A. A. Albert
401-419


Surface area. I
Herbert Federer
420-437


Surface area. II
Herbert Federer
438-456


A new criterion for completely monotonic functions
Harry Pollard
457-464


Metric foundations of geometry. I
Garrett Birkhoff
465-492


Galois connexions
Oystein Ore
493-513


Closure operators and Galois theory in lattices
C. J. Everett
514-525