
L. van Wyk, “Maximal left ideals in structural matrix rings”,Communications in Algebra 16 (1988), 399419. MR0929125

L. van Wyk, “Special radicals in structural matrix rings”, Communications in Algebra 16 (1988), 421435. MR0929126

L. van Wyk, “Prime and special ideals in structural matrix rings over a ring without unity”, Journal of the Australian Mathematical Society (Series A) 45 (1988), 220226. MR0951581

A.P.J. van der Walt and L. van Wyk, “The \(J_2\)radical in structural matrix nearrings”, Journal of Algebra 123 (1989), 248261. MR1000487

B.W. Green and L. van Wyk, “On the small and essential ideals in certain classes of rings”, Journal of the Australian Mathematical Society (Series A) 46 (1989), 262271. MR0973319

Y. Fong and L. van Wyk, “A note on semihomomorphisms of rings”, Bulletin of the Australian Mathematical Society 40 (1989), 481486. MR1037645

L. van Wyk, “On structural quasiideals and their idealizers in structural matrix rings”, Quaestiones Mathematicae 12 (1989), 187200. MR0998748

C.J. Maxson and L. van Wyk, “Nearrings of invariants”, Results in Mathematics 18 (1990), 286297. MR1078425

L. van Wyk, “The 2primitive ideals of structural matrix nearrings”, Proceedings of the Edinburgh Mathematical Society 34 (1991), 229–239. MR111564

C.J. Maxson and L. van Wyk, “The lattice of ideals of M_R(R^2), R a commutative PIR”, Journal of the Australian Mathematical Society (Series A) 52 (1992), 368382. MR115129

L. van Wyk, “Idealizers in structural matrix rings”, Mathematica Japonica 37 (1992), 449456. MR1162453

Y. Fong and L. van Wyk, “Semihomomorphisms of nearrings”, Mathematica Pannonica 3 (1992), 317. MR1170534

K.C. Smith and L. van Wyk, “Semiendomorphisms of simple nearrings”, Proceedings of the American Mathematical Society 115 (1992), 613627. MR1081701

L. van Wyk, “The J_2radical in structural matrix nearrings, II”, Proceedings of the Royal Society of Edinburgh Series A (Mathematics) 122 (1992), 5361. MR1190230

P.R. Fuchs and L. van Wyk, “On subrings of simple artinian rings”, Results in Mathematics 24 (1993), 4965. MR1229058

N.J. Groenewald and L. van Wyk, “Polynomial regularities in structural matrix rings”, Communications in Algebra 22 (1994), 21012123. MR1268546

K.C. Smith and L. van Wyk, “An internal characterisation of structural matrix rings”, Communications in Algebra 22 (1994), 55995622. MR1298737

S. Dascalescu and L. van Wyk, “A note on intermediate normalising extensions”, Bulletin of the Australian Mathematical Society 50 (1994), 313–316. MR1296758

N.J. Groenewald and L. van Wyk, “A link between two characterizations of complete matrix rings”, Bulletin of the Australian Mathematical Society 51 (1995), 511–515. MR1331445

L. van Wyk, “Matrix rings of invariant subspaces”, Quaestiones Mathematicae 18 (1995), 501515. MR1354126

L. van Wyk, “The comatched nearring determined by a commutative principal ideal ring”, Proceedings of the Royal Irish Academy 95A (1995), 117135. MR1660372

S. Dascalescu and L. van Wyk, “Do isomorphic structural matrix rings have isomorphic graphs?”, Proceedings of the American Mathematical Society 124 (1996), 13851391. MR1307508

L. van Wyk, “Matrix rings satisfying column sum conditions versus structural matrix rings”, Linear Algebra and its Applications 249 (1996), 15–28. MR147406

J.H. Meyer and L. van Wyk, “Matrix rings of invariant subspaces, II”, Chinese Journal of Mathematics 24 (1996), 251264. MR1408787

L. van Wyk, “On a characterization of complete matrix rings”, Periodica Mathematica Hungarica 32 (1996), 237239. MR1407925

K.C. Smith and L. van Wyk, “When is a centralizer nearring isomorphic to a matrix nearring?”, Communications in Algebra 24 (1996), 45494562. MR1421204

K.C. Smith and L. van Wyk, “On finite abelian centralizer nearrings and the matrix rings associated with them”, Proceedings of the Royal Irish Academy 97A (1997), 175192. MR1645299

L. van Wyk, “Good ideals in blocked triangular matrix rings over division rings”, Annales Universitatis Scientiarum Budapestinensis de Rolando Eötvös Nominatae (Sectio Mathematica) 40 (1997), 7583. MR1632809

K.C. Smith and L. van Wyk, “Generalized blocked triangular matrix rings associated with finite abelian centralizer nearrings”, Proceedings of the Edinburgh Mathematical Society 41 (1998), 177195. MR1604329

K.C. Smith and L. van Wyk, “Solution of the J_2radical problem in structural matrix nearrings”, Proceedings of the Royal Society of Edinburgh 128A (1998), 137–145. MR1606361

S. Dascalescu and L. van Wyk, “Complete blocked triangular matrix rings over a Noetherian ring”, Journal of Pure and Applied Algebra 133 (1998), 65–68. MR1653696

A.V. Kelarev, A.B. van der Merwe and L. van Wyk, “The minimum number of idempotent generators of an upper triangular matrix algebra”, Journal of Algebra 205 (1998), 605–616. MR1632761

L. van Wyk, “A link between a centralizer and the smallest essential ideal in structural matrix rings”, Communications in Algebra 27 (1999), 36753683. MR1699641

N.J. Groenewald and L. van Wyk, “Good ideals in matrix rings over commutative PIR’s”, Quaestiones Mathematicae 22 (1999), 391403. MR1775498

A.B. van der Merwe and L. van Wyk, The minimum number of idempotent generators of a complete blocked triangular matrix algebra”, Journal of Algebra 222 (1999), 190203. MR1728162

K.C. Smith and L. van Wyk, “Matrix nearrings over centralizer nearrings”, Algebra Colloquium 7 (2000), 516. MR1810591

S. Dascalescu and L. van Wyk, “The recovery of the nondiagonal tile in a tiled triangular matrix ring”, Indian Journal of Mathematics 42 (2000), 167173. MR1859053

A. Oswald, K.C. Smith and L. van Wyk, “When is a centralizer nearring isomorphic to a matrix nearring? Part 2”, in Y.Fong et al (eds.), NearRings and NearFields, Kluwer Academic Publishers, 2001, (Proceedings of the International Conference on Nearrings and Nearfields, Stellenbosch, July 1997), 138150. MR1905613

S. Dascalescu, A. V. Kelarev, and L. van Wyk, “Semigroup gradings of full matrix rings”, Communications in Algebra 29 (2001), 50235031. MR1856928

R. Khazal, S. Dascalescu and L. van Wyk, “Isomorphism of generalized triangular matrix rings and recovery of tiles”, International Journal of Mathematics and Mathematical Sciences 2003 (2003), 533538. MR1968340

C. Patterson, K.C. Smith and L. van Wyk, “Faktorringe van die Gaussheelgetalle”, S.A. Tydskrif vir Natuurwetenskap en Tegnologie 23 (2004), 114125.

K.C. Smith and L. van Wyk, “A concrete matrix field description of some Galois fields”, Linear Algebra and its Applications 403 (2005), 159164. MR2140278

K.C. Smith and L. van Wyk, “Centralizer nearrings, matrix nearrings and cyclic pgroups”, Algebra Colloquium 12 (2005), 567584. MR2183506

J. Szigeti and L. van Wyk, “Subrings which are closed with respect to taking the inverse”, Journal of Algebra 318 (2007), 10681076. MR2371988

J. Meyer, J. Szigeti and L. van Wyk, “On ideals of triangular matrix rings”, Periodica Mathematica Hungarica 59(1) (2009), 109115. MR2544623

V. Drensky, J. Szigeti and L. van Wyk, “Centralizers in endomorphism rings”, Journal of Algebra 324 (2010), 33783387. MR2735387

S. Foldes, J. Szigeti and L. van Wyk, “Invertibility and Dedekind finiteness in structural matrix rings”, Linear and Multilinear Algebra 59(2) (2011), 221227. MR2773652

P.N. Anh and L. van Wyk, “Automorphism groups of generalized triangular matrix rings”, Linear Algebra and its Applications 434 (2011), 10181025. MR2763609

V. Drensky, J. Szigeti and L. van Wyk, “Algebras generated by two quadratic elements”, Communications in Algebra 39 (2011), 13441355. MR2782609

C. Boboc, S. Dascalescu and L. van Wyk, “Isomorphisms between Morita context rings”, Linear and Multilinear Algebra 60 (5) (2012), 545563. MR2916840

J. Szigeti and L. van Wyk, “The zerolevel centralizer in endomorphism algebras”, Proceedings of the Royal Society of Edinburgh Section A – Mathematics 142 (6) (2012), 13251336. MR3002599

J. Meyer, J. Szigeti and L. van Wyk, “A CayleyHamilton trace identity for 2 x 2 matrices over Liesolvable rings”, Linear Algebra and its Applications 436 (2012), 25782582. MR2890016

Y. Li, L. van Wyk and F. Wei, “Jordan derivations and antiderivations of generalized matrix algebras”, Operators and Matrices 7(2) (2013), 399415. MR3099192

S. Dascalescu, S. Predut and L. van Wyk, “Jordan isomorphisms of generalized structural matrix rings”, Linear and Multilinear Algebra 61(3) (2013), 369376. MR3034538

P.N. Anh and L. van Wyk, “Isomorphisms between strongly triangular matrix rings”, Linear Algebra and its Applications 438 (2013), 43744381. MR3246945

J. Szigeti and L. van Wyk, “Determinants for n x n matrices and the symmetric Newton formula in the 3 x 3 case”, Linear and Multilinear Algebra 62(8) (2014), 10711090. MR3422366

J. Szigeti and L. van Wyk, “On Lie nilpotent rings and Cohen’s theorem”, Communications in Algebra 43(11) (2015), 47834796. MR3422366

L. Marki, J.H. Meyer, J. Szigeti and L. van Wyk, “Matrix representations of finitely generated Grassmann algebras and some consequences”, Israel Journal of Mathematics 208 (2015), 373384. MR3416924

C. Boboc, S. Dascalescu and L. van Wyk, “Jordan isomorphisms of 2torsionfree triangular rings”, Linear and Multilinear Algebra 64(2) (2016), 290296. MR3434523

R. Slowik and L. van Wyk, “Automorphisms of some structural infinite matrix rings”, Operators and Matrices 10(1) (2016), 163188. MR3460061

P.N. Anh, G.F. Birkenmeier and L. van Wyk, “Idempotents and structures of rings”, Linear and Multilinear Algebra 64(10) (2016), 20022029. MR3521154

L. van Wyk and M. Ziembowski, “Lie solvability and the identity [x_1, y_1][x_2, y_2]…[x_q, y_q] = 0 in certain matrix algebras”, Linear and Multilinear Algebra 533 (2017), 235357. MR3521154

J. Szigeti and L. van Wyk, “A constructive elementary proof of the SkolemNoether Theorem for matrix algebras”, American Mathematical Monthly 124(10) (2017), 966968. MR3733306

B.E. de Klerk, J.H. Meyer, J. Szigeti and L. van Wyk, “Functions realising as abelian group automorphisms”, Communications in Algebra, 46(2) (2018), 467479. MR3764873

L. van Wyk and M. Ziembowski, “Lie solvability in matrix algebras”, Linear and Multilinear Algebra, 67(4) (2019), 777798. MR3914331

F. Besleaga, S. Dascalescu and L. van Wyk, “Classifying good gradings on structural matrix algebras”, Linear and Multilinear Algebra 67(10) (2019), 19481957. MR3987572

L. van Wyk and M. Ziembowski, “Solution of an open problem on cofaithful onesided ideals”, Journal of Algebra 536 (2019), 229241. MR3989616

J. Szigeti, J.E. van den Berg, L. van Wyk and M. Ziembowski, “The maximum dimension of a Lie nilpotent subalgebra of Mn(F) of index m”, Transactions of the American Mathematical Society 327(7) (2019), 45534583. MR4009435

J. Szigeti, S. Szilagyi and L. van Wyk, “A power CayleyHamilton identity for n x n matrices over a Lie nilpotent ring of index k”, Linear Algebra and its Applications 584 (2020), 153163. MR4011057