## Contents of Volume 233

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- Horocycle flows on certain surfaces without conjugate points
- Patrick Eberlein PDF
- Trans. Amer. Math. Soc.
**233**(1977), 1-36

- On analytically invariant subspaces and spectra
- Domingo A. Herrero PDF
- Trans. Amer. Math. Soc.
**233**(1977), 37-44

- On the spectra of the restrictions of an operator
- Domingo A. Herrero PDF
- Trans. Amer. Math. Soc.
**233**(1977), 45-58

- The Mackey Borel structure on the spectrum of an approximately finite-dimensional separable $C^*$-algebra
- George A. Elliott PDF
- Trans. Amer. Math. Soc.
**233**(1977), 59-68

- Topological irreducibility of nonunitary representations of group extensions
- Floyd L. Williams PDF
- Trans. Amer. Math. Soc.
**233**(1977), 69-84

- Embedding of closed categories into monoidal closed categories
- Miguel L. Laplaza PDF
- Trans. Amer. Math. Soc.
**233**(1977), 85-91

- Plugging flows
- Peter B. Percell and F. Wesley Wilson PDF
- Trans. Amer. Math. Soc.
**233**(1977), 93-103

- Quasi-multipliers
- Kelly McKennon PDF
- Trans. Amer. Math. Soc.
**233**(1977), 105-123

- Almost split sequences for group algebras of finite representation type
- Idun Reiten PDF
- Trans. Amer. Math. Soc.
**233**(1977), 125-136

- Knotting a $k$-connected closed $\textrm {PL}$ $m$-manifold in $E^{2m-k}$
- Jože Vrabec PDF
- Trans. Amer. Math. Soc.
**233**(1977), 137-165

- Packing and covering constants for certain families of trees. II
- A. Meir and J. W. Moon PDF
- Trans. Amer. Math. Soc.
**233**(1977), 167-178

- Weak $L_{1}$ characterizations of Poisson integrals, Green potentials and $H^{p}$ spaces
- Peter Sjögren PDF
- Trans. Amer. Math. Soc.
**233**(1977), 179-196

- A superposition theorem for unbounded continuous functions
- Raouf Doss PDF
- Trans. Amer. Math. Soc.
**233**(1977), 197-203

- The closed leaf index of foliated manifolds
- Lawrence Conlon and Sue Goodman PDF
- Trans. Amer. Math. Soc.
**233**(1977), 205-221

- The diameter of orbits of compact groups of isometries; Newman’s theorem for noncompact manifolds
- David Hoffman PDF
- Trans. Amer. Math. Soc.
**233**(1977), 223-233

- Some properties of families of convex cones
- Meir Katchalski PDF
- Trans. Amer. Math. Soc.
**233**(1977), 235-240

- On the asymptotic distribution of closed geodesics on compact Riemann surfaces
- Burton Randol PDF
- Trans. Amer. Math. Soc.
**233**(1977), 241-247

- Disintegration of measures on compact transformation groups
- Russell A. Johnson PDF
- Trans. Amer. Math. Soc.
**233**(1977), 249-264

- On characterizing the standard quantum logics
- W. John Wilbur PDF
- Trans. Amer. Math. Soc.
**233**(1977), 265-282

- Restrictions of convex subsets of $C(X)$
- Per Hag PDF
- Trans. Amer. Math. Soc.
**233**(1977), 283-294

- Ideals of coadjoint orbits of nilpotent Lie algebras
- Colin Godfrey PDF
- Trans. Amer. Math. Soc.
**233**(1977), 295-307

- On curves on formal groups
- Robert A. Morris and Bodo Pareigis PDF
- Trans. Amer. Math. Soc.
**233**(1977), 309-319

- The $p$-adic log gamma function and $p$-adic Euler constants
- Jack Diamond PDF
- Trans. Amer. Math. Soc.
**233**(1977), 321-337

- Matrix representation of simple halfrings
- H. E. Stone PDF
- Trans. Amer. Math. Soc.
**233**(1977), 339-353

- Deformations of Lie subgroups
- Don Coppersmith PDF
- Trans. Amer. Math. Soc.
**233**(1977), 355-366

- Addendum to: “Knots with infinitely many spanning surfaces” (Trans. Amer. Math. Soc.
**229**(1977), 329–349) - Julian R. Eisner PDF
- Trans. Amer. Math. Soc.
**233**(1977), 367-369