## Contents of Volume 255

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- Twisted sums of sequence spaces and the three space problem
- N. J. Kalton and N. T. Peck PDF
- Trans. Amer. Math. Soc.
**255**(1979), 1-30

- Injectivity, projectivity, and the axiom of choice
- Andreas Blass PDF
- Trans. Amer. Math. Soc.
**255**(1979), 31-59

- Algebraic description of homogeneous cones
- Josef Dorfmeister PDF
- Trans. Amer. Math. Soc.
**255**(1979), 61-89

- On the asymptotic behavior of a fundamental set of solutions
- Charles Powder PDF
- Trans. Amer. Math. Soc.
**255**(1979), 91-110

- Structure mappings, coextensions and regular four-spiral semigroups
- John Meakin PDF
- Trans. Amer. Math. Soc.
**255**(1979), 111-134

- Ergodic behaviour of nonstationary regenerative processes
- David McDonald PDF
- Trans. Amer. Math. Soc.
**255**(1979), 135-152

- CR functions and tube manifolds
- M. Kazlow PDF
- Trans. Amer. Math. Soc.
**255**(1979), 153-171

- $\beta$-recursion theory
- Sy D. Friedman PDF
- Trans. Amer. Math. Soc.
**255**(1979), 173-200

- Moduli of punctured tori and the accessory parameter of Lamé’s equation
- L. Keen, H. E. Rauch and A. T. Vasquez PDF
- Trans. Amer. Math. Soc.
**255**(1979), 201-230

- Necessary conditions for the convergence of cardinal Hermite splines as their degree tends to infinity
- T. N. T. Goodman PDF
- Trans. Amer. Math. Soc.
**255**(1979), 231-241

- On a class of transformations which have unique absolutely continuous invariant measures
- Abraham Boyarsky and Manny Scarowsky PDF
- Trans. Amer. Math. Soc.
**255**(1979), 243-262

- Stability theory for functional-differential equations
- T. A. Burton PDF
- Trans. Amer. Math. Soc.
**255**(1979), 263-275

- The variety of modular lattices is not generated by its finite members
- Ralph Freese PDF
- Trans. Amer. Math. Soc.
**255**(1979), 277-300

- Spectral theory for subnormal operators
- R. G. Lautzenheiser PDF
- Trans. Amer. Math. Soc.
**255**(1979), 301-314

- Markov cell structures for expanding maps in dimension two
- F. T. Farrell and L. E. Jones PDF
- Trans. Amer. Math. Soc.
**255**(1979), 315-327

- Notes on square-integrable cohomology spaces on certain foliated manifolds
- Shinsuke Yorozu PDF
- Trans. Amer. Math. Soc.
**255**(1979), 329-341

- Results on weighted norm inequalities for multipliers
- Douglas S. Kurtz and Richard L. Wheeden PDF
- Trans. Amer. Math. Soc.
**255**(1979), 343-362

- Adding and subtracting jumps from Markov processes
- Richard F. Bass PDF
- Trans. Amer. Math. Soc.
**255**(1979), 363-376

- The classification of two-dimensional manifolds
- Edward M. Brown and Robert Messer PDF
- Trans. Amer. Math. Soc.
**255**(1979), 377-402

- Diffeomorphisms and volume-preserving embeddings of noncompact manifolds
- R. E. Greene and K. Shiohama PDF
- Trans. Amer. Math. Soc.
**255**(1979), 403-414