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Subjects
16-XX Associative rings and algebras
16Sxx Rings and algebras arising under various constructions
16S50 Endomorphism rings; matrix rings

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Displaying 1 – 15 of 15

Tame triangular matrix algebras

Zbigniew Leszczyński, Andrzej Skowroński (2000)

Colloquium Mathematicae

We describe all finite-dimensional algebras A over an algebraically closed field for which the algebra $T_{2} (A)$ of 2×2 upper triangular matrices over A is of tame representation type. Moreover, the algebras A for which $T_{2} (A)$ is of polynomial growth (respectively, domestic, of finite representation type) are also characterized.

The category of abelian Hopf algebras

Andrzej Skowroński (1980)

Fundamenta Mathematicae

The construction of $A$ -solvable Abelian groups

Ulrich F. Albrecht (1994)

Czechoslovak Mathematical Journal

The converse of Schur's Lemma in group rings

M. Alaoui, A. Haily (2006)

Publicacions Matemàtiques

In this paper, we study the structure of group rings by means of endomorphism rings of their modules. The main tools used here, are the subrings fixed by automorphisms and the converse of Schur's lemma. Some results are obtained on fixed subrings and on primary decomposition of group rings.

The Endomorphism Ring Theorem for Frobenius Extensions.

Kitty Morita (1967)

Mathematische Zeitschrift

The homological dimension of a torsion-free abelian group of finite rank as a module over its ring of endomorphisms

H. W. K. Angad-Gaur (1977)

Rendiconti del Seminario Matematico della Università di Padova

The image of multilinear polynomials evaluated on $3 \times 3$ upper triangular matrices

Thiago Castilho de Mello (2021)

Communications in Mathematics

We describe the images of multilinear polynomials of arbitrary degree evaluated on the $3 \times 3$ upper triangular matrix algebra over an infinite field.

The intersection of distinct Galois subrings is not necessarily Galois

Yousif Al-Khamees (1980)

Compositio Mathematica

The Jacobson radical of edomorphism rings of totally projective groups of finite type.

Jutta Hausen (1977)

Journal für die reine und angewandte Mathematik

The Maximal Ring of Quotients of a Triangular Matrix Ring.

Bo Stenström (1974)

Mathematica Scandinavica

The modular representation theory of q-Schur algebras. II.

Jie Du (1991)

Mathematische Zeitschrift

The normal elements of an algebra of general matrices are central.

И.В. Львов, В.К. Харченко (1982)

Sibirskij matematiceskij zurnal

The p. p. ring and the Pierce sheaf representation of non-commutative rings

George Szeto, T. O. To (1980)

Mathematica Slovaca

Tree-like matrix rings

Vlastimil Dlab (1971)

Fundamenta Mathematicae

Two-sided essential nilpotence.

Eslami, Esfandiar, Stewart, Patrick (1992)

International Journal of Mathematics and Mathematical Sciences

Currently displaying 1 – 15 of 15

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