# Proceedings of the International Conference on Algebra Dedicated to the Memory of A. I. Mal$’$cev, Part 3

### About this Title

**L. A. Bokut′**, **Yu. L. Ershov** and **A. I. Kostrikin**, Editors

Publication: Contemporary Mathematics

Publication Year
1992: Volume 131.3

ISBNs: 978-0-8218-5138-8 (print); 978-0-8218-7722-7 (online)

DOI: http://dx.doi.org/10.1090/conm/131.3

MathSciNet review: 1175869;
1175815;
1175757

### Table of Contents

**Front/Back Matter**

** Section 7—Universal Algebra, Categories, and Combinatorics **

- Gregory L. Cherlin – Combinatorial problems connected with finite homogeneity [MR 1175870]
- Stephen D. Comer – Lattices of conjugacy relations [MR 1175871]
- Manfred Droste and Rüdiger Göbel – A categorical theorem on universal objects and its application in abelian group theory and computer science [MR 1175872]
- David Easdown – Minimal faithful permutation and transformation representations of groups and semigroups [MR 1175873]
- Ralph Freese – Free and finitely presented lattices [MR 1175874]
- Kazimierz Głazek – On weak automorphisms of some finite algebras [MR 1175875]
- Piotr Grzeszczuk – The Goldie dimension of some extensions of modular lattices [MR 1175876]
- George Janelidze – A note on Barr-Diaconescu covering theory [MR 1175877]
- Jan Krempa and Olga Macedońska – On identities of cancellative semigroups [MR 1175878]
- J. Lambek – On the ubiquity of Mal′cev operations [MR 1175879]
- Stuart W. Margolis and John C. Meakin – Trees and inverse semigroups [MR 1175880]
- H. Machida and I. G. Rosenberg – A “large” essentially minimal clone over an infinite set [MR 1175881]
- Ralph McKenzie and Matthew A. Valeriote – A characterization of decidable locally finite varieties [MR 1175882]
- Don Pigozzi – A lattice-theoretic characterization of equivalent quasivarieties [MR 1175883]
- Alden F. Pixley – Functionally complete and affine complete algebras and associated varieties [MR 1175884]
- B. I. Plotkin – Some algebraic aspects of database theory [MR 1175885]
- Anna Romanowska – An introduction to the theory of modes and modals [MR 1175886]
- Mark V. Sapir – Locally residually finite and locally representable varieties of semigroups [MR 1175887]
- D. Schweigert – Hyperidentities and clone congruences [MR 1175888]
- M. V. Volkov – Semigroup varieties with commuting fully invariant congruences on free objects [MR 1175889]

- A. G. Aleksandrov and V. L. Kistlerov – Computer method in calculating $b$-functions of nonisolated singularities [MR 1175890]
- Victor V. Batyrev – The cone of effective divisors of threefolds [MR 1175891]
- Michel Brion – Parametrization and embeddings of a class of homogeneous spaces [MR 1175892]
- A. D. Bruno and A. Soleev – The local uniformization of branches of an algebraic curve [MR 1175893]
- Lou van den Dries – Analytic Ax-Kochen-Ersov theorems [MR 1175894]
- Hélène Esnault – Some examples of computation of a regulator map on singular varieties [MR 1175895]
- Federico Gaeta – An intrinsic elimination theory by means of forms associated to algebraic varieties [MR 1175896]
- Yujiro Kawamata – Boundedness of $\mathbf {Q}$-Fano threefolds [MR 1175897]
- B. È. Kunyavskiĭ and A. N. Skorobogatov – Weak approximation in algebraic groups and homogeneous spaces [MR 1175898]
- Nikita Yu. Netsvetaev – Diffeomorphism criteria for smooth manifolds and algebraic varieties [MR 1175899]
- M. Pohst – Some aspects of computational algebraic number theory [MR 1175900]
- V. Platonov – Local-global principles in algebra and number theory [MR 1175901]
- V. L. Popov and È. B. Vinberg – Some open problems in invariant theory [MR 1175902]
- Eckart Viehweg – Positivity of sheaves and geometric invariant theory [MR 1175903]
- Alexander A. Voronov – Complex divisors on algebraic curves and some applications to string theory [MR 1175904]
- B. I. Zil′ber – Algebraic geometry via model theory [MR 1175905]

- Steven Buechler – Vector spaces with a distinguished subgroup [MR 1175906]
- A. E. Hurd – A guided tour through nonstandard analysis [MR 1175907]
- V. A. Lyubetsky – Heyting-valued analysis: P. S. Novikov’s hypotheses [MR 1175908]
- Larisa Maksimova – Definability and interpolation in classical modal logics [MR 1175909]
- Hiroakira Ono – Algebraic aspect of logics without structural rules [MR 1175910]
- M. G. Peretyat′kin – Semantical significances of formulas in the classical predicate logic [MR 1175911]
- V. V. Rybakov – The universal theory of the free pseudo-Boolean algebra $F_\omega (H)$ in the signature extended by constants for free generators [MR 1175912]
- V. L. Selivanov – Computing degrees of definable classes of sentences [MR 1175913]