REPRESENTATIONS OF ALGEBRAS AND RELATED TOPICS

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DLAB, V., and RINGEL, C.M.: Real subspaces of a quaternion vector space, Can. J. Math. 30(1978), 1228-1242.

DLAB, V., and RINGEL, C.M.: Normal forms of real matrices with respect to complex similarity, Linear Alg. and Appl. 17 (1977), 107-124.

DLAB, V. and RINGEL, C.M.: A remark on normal form of matrices, Linear Alg. and Appl., 30(1980), 109-114.

DLAB, V., and RINGEL, C.M.: A module theoretic interpretation of properties of the root systems, Proc. Conf. on Ring Theory (Antwerp 1978), Marcel Dekker (1979).

DLAB, V., and RINGEL, C.M.: Perfect elements in the free modular lattices, Math.Ann., 247(1980), 95-100.

DLAB, V., and RINGEL, C.M.: The preprojective algebra of a modulated graph, these Springer Lecture Notes.

DLAB, ~ and RINGEL, C.M.: Homogeneous representations of tame species, in preparation.

DONALD, J.D. and FLANIGAN, F.J.: Deformations of algebra modules, J. Algebra 31(1974), 245-256.

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ENRIGHT, T.J.: The representations of complex semisimple Lie groups, preprint.

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JAMES, G.D.: A characteristic-free approach to the representation theory of Sn, J. Algebra 46 (1977), 430-450.

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JANUSZ, G.: Generators for the Schur group of local and global number fields, Pacific J. Math. 56(1975), 525-546.

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KANBARA, H.: Note on Krull-Remak-Schmidt-Azumaya's theorem, Osaka J. Math. 9 (1972), 409-413.

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KUPISCH, H.: Basisalgebren symmetrischen Algebren und eine Vermutung von Gabriel, Math. Z., to appear.

KUPISCH, H. and SCHERZLER, E.: Symmetric algebras of finite representation type, these Springer Lecture Notes.

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LAM, T.Y. and REINER, I.: Reduction theorems for relative Grothendieck rings, Trans. Amer. Math. Soc. 142(1969), 421-435.

LAM, T.Y. and REINER, I.: Finite generation of Grothendieck rings relative to cyclic subgroups, Proc. Amer. Math. Soc. 23(1969), 481-489.

LAM, T.Y. and REINER, I.: Relative Grothendieck rings, Bull. Amer. Math. Soc. 75(1969), 469-498.

LAM, T.Y. and REINER, I.: Restriction maps on relative Grothendieck rings, J. Algebra 14(1970), 260-298.

LAM, T.Y. and REINER, I.: An excision therem for Grothendieck rings, Math. Z. 115(1970), 153-164.

LAM, T.Y., REINER, I., and WIGN~R, D.: Restrictions of representations over fields of characteristic p, Proc. Symposia Pure Math. 21(1971), 99-106.

LANDROCK, P.: Some remarks on Loewy lengths of projective modules, these Springer Lecture Notes.

LANDROCK, P. and MICHLER, G.O.: Block structure of the smallest Janko group, Math. Ann. 232(1978), 205-238.

LANDROCK, P. and MICHLER, G.O.: Principal 2-blocks of the simple groups of Ree type, preprint (Aarhus).

LEPOWSKY, J.: A generalisation of the Bernstein - Gelfand - Gelfand resolution, J. Algebra 49(1977), 496-511.

LESCZYNSKI, Z. and SIMSON, D.: On triangular matrix rings of finite representation type, preprint.

LEVY, L.S.: Almost diagonal matrices over Dedekind domains, Math. Z. 125(1972), 89-99.

LEVY, L.S.: Matrix equivalence and finite representation type, Comm. in Algebra 3(1975), 739-748.

LEVY, L.S.: Sometimes only square matrices can be diagonalized, Proc. Amer. Math. Soc. 52(1975), 739-748.

LEVY, L.S.: Decomposing a projective module and several submodules, Advances in Math. 20(1976), 30-42.

355

LEVY, L.S.: Artinian, non-noetherian rings, J. Algebra 47(1977), 276-304.

LEVY, L.S.: Modules over ZG, G" cyclic of prime order and over related Dedekind pullbacks, preprint.

LEVY, L.S.: Modules over pullbacks and subdirect sums, preprint.

LEVY, L.S. and ROBSON, J.C.: Matrices and pairs of modules, J. Algebra 29(1974), 427-454.

LINDSEY, J.H.: Complex linear groups of degree less than 4p/3, J. Algebra 23 (1972), 452-475.

LOUPIAS, M.: Representations ind~composables de dimension finie des alg~bres de Lie, Manuscripta Math. 6(1972), 365-379.

• • • J LOUPIAS, M.: Representatlons Indecomposables des ensembles ordonnes finis, Th~se 1975 (Tours).

LOUPIAS, M.: Indecomposable representations of finite ordered sets, Proc. ICRA 1974, Springer Lecture Notes No. 488(1975), 201-209.

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LUNA, D.: Sur les orbites fermees des groupes algebriques J r e d u c t l f s , I n v e n t . Math. 16 ( 1 9 7 2 ) , 1-5 .

LUNA, D.: Adherences d'orbite et invariants, Invent. Math. 29(1975), 231-238.

LUSZTIG, G.: On the finiteness of the number of unipotent classes, Invent. Math. 34(1976), 201-213.

MACDONALD, I.G.: On the degrees of the irreducible representations of symmetric groups, Bull. London Math. Soc. 2(1971), 189-193.

MARMARIDIS, N.: Darstellungen endlicher Ordnungen, Dissertation 1978 (Z~rich).

J • . ~ . MARMARIDIS, N.: Representatlons llnealres des ensembles ordonn~s, C.R. Acad. Sci. Paris 288 (1979).

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Reflection functors, these Springer Lecture

MARTINEAU, R.P.: On 2-modular representations of the Suzuki group. Amer. J. Math. 94(1972), 55-72.

356

MARTINET, J.: Modules sur l'alg~bre du groupe quaternion, Ann. Sci. Ecole Norm. Sup. 4(1971), 399-408.

MARTINEZ-VILLA, R.: Almost projective modules over Artin Algebras, Proc. Conf. on Ring Theory (Antwerp 1978), Marcel Dekker (1979).

MARTINEZ-VILLA, R.: Almost projective modules over hereditary algebras, preprint.

MARTINEZ-VILLA, R.: Almost projective modules and almost split sequences with indecomposable middle term, Comm. in Algebra, to appear.

MARTINEZ-VILLA, R.: Algebras stably equivalent to % - hereditary, these Springer Lecture Notes.

MAZZOLA, G.: Deformation von Algebren, Oberwolfach Conf. Report 61977), 76-81.

MAZZOLA, G.: Les composantes irreductlbles du sch~ima des alg~bres de dimension 5, C.R. Acad. Sc. Paris 286 (1978), 389-390.

MAZZOLA, G.: Generic finite schemes and Hochschild cocycles, Comm. Math. Helv. 55(1980], 267-293.

MAZZOLA, G.: The algebraic and geometric classification of associative algebras of dim6nsion five, Manuscripta Math., 27(!$79], 81-101

McCONNEL, J.C. and ROBSON, J.C.: Homomorphism and extensions of modules over certain differential polynomial rings, J. Algebra 26(1973), 319-342.

MICHLER, G.: Blocks and centers of group algebras (Mimeographed notes), Tulane Univ., 1970-71.

MICHLER, G. : The kernel of a block of a group algebra, Proc. Amer. Math. Soc. 37(1973), 47-49.

MICHLER, G. : The blocks of p-nilpotent groups over arbitrary fields, J. Algebra 24(1973), 303-315.

MICHLER, G.: Blocks and centers of group algebras, in Lectures on rings and modules, Springer Lecture Notes No. 246 (1972), 430-552.

357

MICHLER, G.: Green correspondence between blocks with cyclic defect groups I, J. Algebra 39(1976), 26-51.

MICHLER, G.: Green correspondence between blocks with cyclic defect groups II, Proc. ICRA. 1974, Springer Lecture Notes No. 488, 210-235.

MITCHELL, B.: Rings with several objects, Advances in Math. 8(1972), 1-161.

MITCHELL, B.: Some applications of module theory to functor categories, Bull. Amer. Math. Soc.. 84(1978), 867-886.

MOODY, R.~: Euclidean Lie Algebras, Can. J. Math. 21(1969), 1432-1454.

MOODY, R.V.: Root systems of hyperbolic type, preprint.

MORITA, K. and TACHIKAWA, H.: QF3-rings, preprint. ~Q

MULLER, B.J.: The structure of quasi-Frobenius rings, Can. J. Math. 26(1974), 1141-1151.

M~LLER, W.: Unzerlegbare Moduln ~ber artinschen Ringen, Math. Z. 137(1974), 197-226.

MULLER, W.: Gruppenalgebren ~ber nicht-zyklischen p-Gruppen I, J. Reine Angew Math. 266(1974), 10-48.

MULLER, W.: Gruppenalgebren ~ber nicht-zyklischen p-Gruppen II, J. Reine Angew Math. 267(1974), 1-19.

M~LLER, W.: On artin rings of finite representation type. Proc. ICRA, 1974, Springer Lecture Notes No. 488, 233-243.

MULLER, W.: Radical und Sockel in gruppenalgebren uber lokalendlichen Gruppen. Arch. Math. 25(1974), 476-482.

NAZAROVA, L.A.: Representation of quivers of infinite type. Izv. Akad. Nauk SSSR, Ser. Mat. 37(1973), 752-791.

NAZAROVA, L.A.: Partially ordered sets with an infinite number of indecomposable representations. Proc. ICRA 1974, Springer Lecture Notes No. 488, 244-252.

NAZAROVA, L.A.: The representations of partially ordered sets of infinite type, Izv. Akad. Nauk. SSSR, Ser. Mat. 39(1975), 963-991.

358

NAZAROVA, L.A.: The representations of polyquivers of tame type, Zap. Nau~n. Sem. LOMI 71(1977), 181-206.

NAZAROVA, L.S.: Polyquivers of infinite type, Quadratic forms and polyquivers, Kiev 1977, 24-44.

NAZAROVA, L.A.: Polyquivers of infinite type, Trudy Mat. Inst. Steklov, 148(1978), 175-189.

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NAZAROVA, L.A. and ROJTER, A.V.: Representations of partially ordered sets., Zap. Nau~n. Sem. LOMI 28(1972), 5-31.

NAZARO~, L.A. and ROJTER, A.V.: On a problem of I.M. Gelfand, Funkcional Anal. i Prilo~en. 7(1973), 54-69.

NAZAROVA, L.A. and ROJTER, A.V.: Polyquivers and Dynkin diagrams, Funkcional Anal. i Prilo~en. 7(1973), 94-95.

NAZAROVA, L.A. and ROJTER, A.V.: Categorical matrix problems and the Bauer-Thrall conjecture, preprint, Inst. Math. Acad. Sci., Kiev 1973, translated in Mitt. Math. Sem. Giessen 115(1975).

NAZAROVA, L.A., OVSIENKO, S.A., and ROJTER, A.V.: Polyquivers of finite type, Quadratic forms and polyquivers, Kiev (1977), 17-23.

NAZAROVA, L.A., ROJTER, A.V., SERGEJCUK, V.V., and BONDARENKO, V.M.: Application of the theory of modules over

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OKOH, F.: Torsion-free modules over a non-commutative hereditary ring, Thesis 1975 (Queen's).

OKOH, F.: Systems that are purely simple and pure injective, Can. J. Math. 29(1977), 696-700.

OKOH, F.: A bound on the rank of purely simple systems, Trans. Amer. Math. Soc. 232 (1977), 169-186.

OKOH, F. : A splitting criterion for pairs of linear transformations, Illinois J. Math. 22(1978), 379-388.

359

OKOH, F.: Direct sums and direct products of pencils of matrices, Queen's Univ. preprint No. 1977-17.

OKOH, F.: Direct sums and direct products of canonical pencils of matrices, Linear Alg. and Appl. 25(1979) 1-26.

OKOH, F.: No system of uncountable rank is purely simple, to appear in Proc. Amer. Math. Soc.

OKOH, F.: Baer modules over finite-dimensional hereditary algebras of tame type, preprint.

OKOH, F.: On pure-projective modules over artin algebras, preprint.

OKOH, F.: Hereditary algebras that are not pure-hereditary, these Springer Lecture Notes.

OLSSON, J.B.: On 2-blocks with quaternion or quasidihedral defect groups, J. Algebra 36(1975), 212-241.

OLSSON, J.B.: McKay numbers and heights of characters, Math. Scand. 38 (1976), 25-42.

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OTRASEVSKAJA, V.~: On the representations of one-parameter partially ordered sets, Matrix problems, Kiev (1977), 144-149.

OVSIENKO, S.A.: The representations of quivers with relations, Matrix problems, Kiev (1977), 88-103.

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PASSMAN, D.S.: Infinite group rings, Dekker, New York, 1971.

PASSMAN, D.S.: Blocks and normal subgroups, J. Algebra 12(1969), 569-575.

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PEACOCK, R.M.: Blocks with a cyclic defect group, J. Algebra 34(1975), 232-259.

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PEEL, M.H.: Modular representations of symmetric groups, Univ. of Calgary research paper 292(1975).

PJASETSKIJ, V.: Linear Lie groups acting with finitely many orbits, Funkcional Anal. i Prilo~en. 9(1975), 351-353.

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PLESKEN, W.: On reducible and decomposable representations of orders, J. reine angew. Math. 297(1978), 188-210.

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361

PLESKEN, W.: Projective lattices over group orders as amalgamations of irreducible lattices, these Springer Lecture Notes.

PLOTKIN, B.J.: Varieties of group representations, Russian Mat. Surveys 32.5 (1977), 1-72.

POGUNTKE, W.: 47-65.

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Structure locale et caract~res, J. Algebra, to

PUTTASWAMAIAH, B.M.: Determination of Brauer characters, Can. J. Math. 26(1974), 746-752.

PUTTASWAMAIAH, B.M.: Brauer characters and Grothendieck rings, Can. J. Math. 27(1975), 1025-1028.

PUTTASWAMAIAH, B.M. and DIXON, J.D.: Modular representations of finite groups, Academic Press (1977).

REINER, I.: A survey of integral representation theory. Bull. Amer. Math. Soc. 76(1970), 159-227.

REINER, I.: Hereditary orders, Rend. Sem. Mat. Univ. Padova, 52 (1974), 219-225.

REINER, I.: Locally free class groups of orders, Proc ICRA 1974, Springer Lecture Notes No. 488, 253-281.

REINER, I.: Maximal orders, Academic Press, London, (1975).

REINER, I.: Projective class groups of symmetric and alternating groups, Linear and multilinear algebra 3(1975), 115-121.

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REINER, I.: Integral representations of cyclic groups of order p2, Proc. Amer. Math. Soc. 58(1976), 8-12.

REIN~R, I.: Class groups and Picard groups of integral group rings and orders, Regional Conference Math., Amer. Math. Soc. 26 (1976).

REINER, I.: Indecomposable integral representations of cyclic p-groups. Proc. Conf. on Representation Theory (Philadelphia 1976), Marcel Dekker (1978), 425-446.

REINER, I.: Integral representations of finite groups, Proc. Sem. Dubreil 1977, Springer Lecture Notes No. 647, 145-162.

REINER, I.: Invariants of integral representations, Pacific J. Math. 78(1978), 467-501.

REINER, I.: Integral representations: genus, K-theory, and class groups, Proc. Canberra Conf. 1978, Springer Lecture Notes No. 697 (1978), 52-69.

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REINER, I.: Topics in integral representation theory, Springer Lecture Notes No. 744 (1979), 1-143.

REINER, I.: On Diederichsen's formula for extension of lattices, J. Algebra 58(1979), 238-246.

REINER, I.: Lifting isomorphisms of modules, Can. J. Math. 31(1979), 808-811.

REINER, I.: Zeta functions of integral representations, Comm. Algebra, to appear.

REINER, I.: An overview of integral representation theory, Univ. of Oklahoma Algebra Conf., Springer Lecture Notes, to appear.

REINER, I. and ULLOM, S.: Class groups of integral group rings, Trans. Amer. Math. Soc. 170 (1972), 1-30.

REINER, I. and ULLOM, S.: Class groups of orders and a Mayer- Vietoris sequence, Springer Lecture Notes No. 353, 139-151.

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REINER, I. and ULLOM, S.: Remarks on class groups of integral group rings, Symp. Math. Inst. Naz. Alta Mat. 13(1974), 501-516.

REITEN, I.: Stable equivalence of dualizing R-varieties VI, Advances in Math. 17(1975), 196-211.

REITEN, I.: Stable equivalence for some categories with radical square zero, Trans. Amer. Math. Soc. 212 (1975), 333-345.

REITEN, I.: Stable equivalence of self-injective algebras, J. Algebra 40(1976), 63-74.

REITEN, I.: Correction to my paper on Nakayama R-varieties, Advances in Math. 23(1977), 211-212.

REITEN, I.: Almost split sequences for group algebras of finite representation type, Trans. Amer. Math. Soc. 223(1977), 125-136.

REITEN, I.: A note on stable equivalence and Nakayama algebras, Proc. Amer. Math. Soc. 71 (1978) 157-163.

REITEN, I.: Algebras stably equivalent to Nakayama algebras of Loewy length at most 4, J. Austral. Math. Soc. 27(1979), 37-50.

REITEN, I.: Almost split sequences, Proc. Conf. on Ring Theory (Antwerp 1978), Marcel Dekker (1979).

RENAUD, J.C.: The characters and structure of a class of modular representation algebras of cyclic p-groups, J. Austral. Math. Soc. (Series A) 20 (1978), 410-418.

RICHARDSON, R.W.: Deformation of Lie subgroups and the variation of isotropy subgroups, Acta. Math. 129 (1972), 35-73.

RICHARDSON, R.W.: Principal orbit types of algebraic transformation spaces in characteristic zero, Invent. Math. 16(1972) 6-14.

RICHEN, F.: Blocks of defect zero of split (B,N) pairs, J. Algebra 21(1972), 275-279.

RIEDT~NN, Chr: Algebren, die stabil ~quivalend sind zu einer selbstinjektiven Nakayama-Algebra, Dissertation 1978 (Zurich).

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RIEDT~NN, Chr: Algebren, Darstellungsk~cher, Ueberlagerungen und zur~ck, Comment. Math. Helv., 55[1980). 193-224

RIEDTMANN, Chr.: Representation-finite self-injective algebras of class A n these Springer Lecture Notes,

RIEDTMANN, Chr.: Representation-finite self-injective algebras of class E6,E 7 and E8, to appear.

RIEFFEL, M.A.: Induced representatons of rings, Can. J. Math., 27(1975), 261-270.

RINGEL, C.M.: Socle conditions for QF-I rings, Pacific J. Math. 41(1973), 309-366.

RINGEL, C.M.: QF-I rings of global dimension ~ 2, Can. J. Math. 25(1973), 345-352.

RINGEL, C.M.: Commutative QF-I rings, Proc. Amer. Math. Soc. 42(1974), 365-368.

RINGEL, C.M.: Unions of chains of indecomposable modules, Comm. Algebra 3(1975), 1121-1144.

RINGEL, C.M.: The indecomposable representations of the dihedral 2-groups, Math. Ann. 214(1975), 19-34.

RINGEL, C.M.: The representation type of local algebras Proc. ICRA 1974, Springer Lecture Notes No. 488, 282-305.

RINGEL, C.M.: Representations of K-species and bimodules, J. Algebra 41(1976), 269-302.

RINGEL, C.M.: Finite-dimensional hereditary algebras of wild representation type, Math. Z. 161 (1978), 235-255.

RINGEL, C.M.: Infinite dimensional representations of finite dimensional hereditary algebras, Symposia Math. Ins. Naz. Alta. Mat. 23 Acad, Press (1979), 321-412,

RINGEL, C.M.: The spectrum of a finite dimensional algebra, Proc. Conf. on Ring Theory (Antwerp 1978), Marcel Dekker (1979).

RINGEL, C.M.: Reflection functors for hereditary algebras, J. London Mat. Soc., to appear.

RINGEL, C.M.: The rational invariants of tame quivers, Invent. Math., to appear.

365

RINGEL, C.M.: Report on the Brauer-Thrall conjectectures: Rojter's theorem and the theorem of Nazarova and Rojter (On algorithms for solving vector space problems I) these Springer Lecture Notes.

RINGEL C°M.: Tame algebras (On algorithms for solving vector space problems II.), these Springer Lecture Notes.

RINGEL, C.M. and ROGGENKAMP, K.W.: Indecomposable represemtations of orders and Dynkin diagrams, C.R. Math. Acad. Sci. Canada 1 (1979), 91-94.

RINGEL, C.M. and ROGGENKAMP, K.W.: Diagrammatic method~ in the representation theory of orders, J. Algebra, 60(1979), 11-42

RINGEL, C.M. and ROGGENKAMP, K.W.: Socle determined categories of representations of artinian hereditary tensor algebras, J. Algebra, to appear.

RINGEL, C.M. and TACHIKAWA, H.: Math. 272(1975), 49-72.

QF3-Rings, J. reine angew.

ROCHA-CARIDI, A.: Splitting criteria for g-modules induced from a parabolic and the Bernstein-Gelfand-Gelfand resolution of a finite dimensional, irreducible g-module, Trans. Amer. Math. Soc., to appear.

ROGANOV, Ju. V.; The dimension of a tensor algebra of a projective bimodule, Mat. Zametki 6(1976).

ROGGENKAMP, K.W.: Lattices over orders II, Springer Lecture Notes No. 142 (1970).

ROGGENKAMP, K.W.: Some necessary conditions for orders to be of finite lattice type II, J. Reine Angew. Math 257(1972), 12-15.

ROGGENKAMP, K.W.: Relation modules of finite groups and related topics, Algebra i Logica 12(1973), 351-359.

ROGGENKAMP, K.W.: The augmentation ideal of a finite group, an interesting module, Proc. ICRA 1974, Springer Lecture Notes No. 488 (1975), 306-315.

ROGGENKAMP, K.W.: The construction of almost split sequences for integral group rings and orders, Comm. Algebra 5(1975), 1363-1373.

ROGGENKAMP, K.W.: Almost split sequences for group rings, Mitt. Math. Sem. Giessen 21(1976), 1-25.

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ROGGENKAMP, K.W.: Some examples of orders of global dimension two, Math. Z. 154 (1977), 225-238.

ROGGENKAMP, K.W.: An exceptional decomposition of the augmentation ideal of PSL(2,7), Bol. Soc. Bras. Mat. (1977), 73-78.

ROGGENKAMP, K.W.: Orders of global dimension two, Math. Zeit. 160(1978), 63-67.

ROGGENKAMP, K.W.: Indecomposable representations of orders of global dimension two, J. Algebra, to appear.

ROGGENKAMP, K.W.: Auslander-Reiten sequence for "nice" torsion theories of artinian algebras, Bull. Can. Math. Soc., to appear.

ROGGENKAMP, K.W.: Integral representations and structure of finite f . , I . • . group rings,Semznazre de Mathematzques Superzeures, 1979,

Presses de l'Univ, de Montreal (1980).

ROGGENKAMP, K.W.: Representation theory of blocks of defect i, these Springer Lecture Notes.

ROJTER, A.~ and KLEINER, M.M.: Representations of differential graded categories, Proc. ICRA 1974, Lecture Notes No. 488, 316-339.

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ROJTER, A.~: The roots of integral quadratic forms, Quadratic Forms and Polyquivers, Kiev 1977, 3-16.

ROJTER, A.V.: Matrix problems and the representations of bisystems, Zap. Nau~n. Sem. LOMI 28(1972), 130-143.

ROJTER, A.~: The roots of integral quadratic forms, Trudy Mat. Inst. Steklov. 148(1978), 201-210.

ROMANOVSKIJ, ~ Ju. and SKABARA, A.S.: The representations of diagrams with one relation, preprint (Kiev 1976).

ROUSSEAU, G.: Immeubles sph~riques et th~orie des invariants, C.R. Acad. Sci. Paris 286(1978), A 247-250.

RUMP, W.: Ganzzahlige Darstellungen eudlicher Halbordnungen und gerichteter Graphen, Diplomarbeit 1977(Stuttgart).

SAUER, G., SEIBERT, W. and WILLE, R.: On free modular lattices over partial lattices with four generators, Proc. Conf. on Lattice Theory (Houston 1973), 332-382.

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SATO, M., and KIMURA, T.: A classification of irreducible prehomogeneous vector spaces and their relative invariants, Nagoya Math. J. 65(1977).

SCHACHER, M.: Non-uniqueness in crossed products, Proc. Proc. Conf. on Representations of Algebras (Philadelphia 1976), Marcel Dekker (1978), 447-450.

SCHARLAU, W.: Automorphisms and involutions of incidence algebras, Proc. ICRA 1974, Springer Lecture Notes No. 488, 340-350.

SCHERZLER, E. and WASCHBUSCH, J.: A class of self-injective algebras of finite representation type, these Springer Lecture Notes.

SCHWARZ, G.W.: Representations of simple Lie groups with a free module of covariants, Invent. Math. 50 (1978), 1-12.

SCHWARZ, G.W.: Representations of simple Lie groups with regular ring of invariants, Invent. Math. 49(1978) 167-191.

SCOTT, L.: Modular permutation representations, Trans. Amer. Math. Soc. 175 (1973), 101-121.

SCOTT, L.: The modular theory of permutation representations, Proc. Symp. Pure Mat 21 (Amer. Math. Soc., 1971), 137-144.

SEKIYAMA, H.: Trivial extension of a ring with balanced condition, preprint.

SERGEJCUK, V.V.: On the classification of metabelian groups, Matrix problems, Kiev 1977, 150-161.

SERVEDIO, F.J.: Prehomogeneous vector spaces and varieties, Trans. Amer. Math. Soc. 176(1973).

SERVEDIO, F.J.: The GL(V) - module structure of st(st(v)), symmetric tensors of degree ~ on symmetric tensors of degree J ~- on V, these Springer Lecture Notes.

SHAHZAMANIAN, M.: The Auslander-Reiten3graph for the maps between abelian groups of exponent p , preprint.

SIMSON, D.: A Remark on Projective dimension of flat modules Math.Ann. 209, (1974) 181-182.

SIMSON, D.: Pure semisimple categories and rings of finite representation type, J. Algebra 48(1977), 290-296.

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SIMSON, D.: On pure semi-simple Grothendieck categories I, Fund. Math. 100 (1978) 191-202.

SIMSON, D.: Categories of representations of species, J. Pure Appl° Algebra, to appear.

SIMSON, D.: Right pure semisimple hereditary rings, these Springer Lecture Notes.

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Commutative quivers of tame type I, preprint

Quivers with relations and DGC, preprint (Kiev

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SKORNJAKOV, L.A.: Decomposability of modules into a direct sum of ideals, Mat. Zametki 20(1976), 187-193. English translation: Math. Notes 20(1976), 665-668.

SKOWRONSKI, A.: On the structure of indecomposable modules over artin algebras, preprint (1979).

SKOWRONSKI, A.: A note on 3/2-indecomposable modules, preprint (1979).

SMALl, S.O.: Global dimension of special endomorphism rings over artin algebras, Illinois J. Math., 22(1978), 414-427.

SMALl, S.O.: The structure of special endomorphism rings over artin algebras, Illinois J. Math. 22 (1978), 428-442.

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