## Contents of Volume 247

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- Symmetrized separable convex programming
- L. McLinden PDF
- Trans. Amer. Math. Soc.
**247**(1979), 1-44

- Distribution of eigenvalues of a two-parameter system of differential equations
- M. Faierman PDF
- Trans. Amer. Math. Soc.
**247**(1979), 45-86

- On the construction of branched coverings of low-dimensional manifolds
- Israel Berstein and Allan L. Edmonds PDF
- Trans. Amer. Math. Soc.
**247**(1979), 87-124

- Examples of noncatenary rings
- Raymond C. Heitmann PDF
- Trans. Amer. Math. Soc.
**247**(1979), 125-136

- Irrational connected sums and the topology of algebraic surfaces
- Richard Mandelbaum PDF
- Trans. Amer. Math. Soc.
**247**(1979), 137-156

- On the existence of good Markov strategies
- Theodore Preston Hill PDF
- Trans. Amer. Math. Soc.
**247**(1979), 157-176

- Thickenings of CW complexes of the form $S^{m}\cup _{\alpha }e^{n}$
- George Cooke PDF
- Trans. Amer. Math. Soc.
**247**(1979), 177-209

- A consistent consequence of AD
- E. L. Bull and E. M. Kleinberg PDF
- Trans. Amer. Math. Soc.
**247**(1979), 211-226

- Partitions and sums and products of integers
- Neil Hindman PDF
- Trans. Amer. Math. Soc.
**247**(1979), 227-245

- Differential algebraic Lie algebras
- Phyllis Joan Cassidy PDF
- Trans. Amer. Math. Soc.
**247**(1979), 247-273

- Frattini subgroups of $3$-manifold groups
- R. B. J. T. Allenby, J. Boler, B. Evans, L. E. Moser and C. Y. Tang PDF
- Trans. Amer. Math. Soc.
**247**(1979), 275-300

- Semi-algebraic groups and the local closure of an orbit in a homogeneous space
- Morikuni Goto PDF
- Trans. Amer. Math. Soc.
**247**(1979), 301-315

- Erratum to: “Generalized super-solutions of parabolic equations” (Trans. Amer. Math. Soc.
**220**(1976), 235–242) - Neil Eklund PDF
- Trans. Amer. Math. Soc.
**247**(1979), 317-318