| Publication | Date of Publication | Type |
|---|
| $h$-vector inequalities under weak maps | 2023-05-24 | Paper |
| Genuine non-congruence subgroups of Drinfeld modular groups | 2016-05-18 | Paper |
| Elliptic points of the Drinfeld modular groups | 2015-04-02 | Paper |
| THE STABILIZERS IN A DRINFELD MODULAR GROUP OF THE VERTICES OF ITS BRUHAT–TITS TREE: AN ELEMENTARY APPROACH | 2014-02-11 | Paper |
| The cusp amplitudes and quasi-level of a congruence subgroup of SL2 over any Dedekind domain | 2012-08-29 | Paper |
| Subgroups of algebraic groups which are clopen in the S-congruence topology | 2012-05-11 | Paper |
| Nonrational Genus Zero Function Fields and the Bruhat–Tits Tree | 2010-01-14 | Paper |
| The congruence kernel of an arithmetic lattice in a rank one algebraic group over a local field | 2008-11-27 | Paper |
| Non-standard automorphisms and non-congruence subgroups of \(\mathrm{SL}_{2}\) over Dedekind domains contained in function fields | 2006-02-07 | Paper |
| THE MINIMUM INDEX OF A NON-CONGRUENCE SUBGROUP OF SL2 OVER AN ARITHMETIC DOMAIN. II: THE RANK ZERO CASES | 2005-04-29 | Paper |
| On non-congruence subgroups of the analogue of the modular group in characteristic \(p\). | 2004-01-06 | Paper |
| The Generalization of Nagao's Theorem to Other Subrings of the Rational Function Field | 2003-09-25 | Paper |
| The minimum index of a non-congruence subgroup of \(\text{SL}_2\) over an arithmetic domain | 2003-07-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3839780 | 2002-11-17 | Paper |
| Normal subgroups of prescribed order and zero level of subgroups of the Bianchi groups | 2001-08-29 | Paper |
| Stabilizers of edges in general linear groups acting on trees | 2001-05-15 | Paper |
| Serre’s generalization of Nagao’s theorem: An elementary approach | 2000-11-22 | Paper |
| Infinite Simple (2, 3, n )-Groups and Congruence Hulls in the Modular Group | 2000-08-13 | Paper |
| Free quotients of infinite rank of GL2 over Dedekind domains | 1999-08-25 | Paper |
| Free quotients of congruence subgroups of the Serre groups and unipotent matrices | 1999-08-16 | Paper |
| Unipotent matrices, modulo elementary matrices, in \(\text{SL}_2\) over a coordinate ring | 1999-06-20 | Paper |
| Groups generated by elements with rational fixed points | 1997-11-06 | Paper |
| On the generators of elementary subgroups of general linear groups | 1996-09-25 | Paper |
| Non-normal, standard subgroups of the Bianchi groups | 1996-06-04 | Paper |
| Quotients of the congruence kernels of \(\text{SL}_ 2\) over arithmetic Dedekind domains | 1996-02-22 | Paper |
| Normal Subgroups of Level Zero of the Bianchi Groups | 1995-08-31 | Paper |
| Free quotients of subgroups of the Bianchi groups whose kernels contain many elementary matrices | 1995-05-23 | Paper |
| Congruence hulls in \(SL_ n\) | 1994-07-13 | Paper |
| Normal subgroups of \(SL_ 2(k[t)\) with or without free quotients] | 1993-03-29 | Paper |
| Almost all Bianchi groups have free, non-cyclic quotients | 1992-08-13 | Paper |
| The order and level of a subgroup of GL2 over a Dedekind ring of arithmetic type | 1992-06-27 | Paper |
| Free quotients of congruence subgroups of Bianchi groups | 1992-01-01 | Paper |
| Subnormal subgroups of En(R) have no free, non-abelian quotients, when n≧3 | 1991-01-01 | Paper |
| Normal Subgroups of Prescribed Order and Zero Level of the Modular Group and Related Groups | 1990-01-01 | Paper |
| Non-Standard, Normal Subgroups and Non-Normal, Standard Subgroups of the Modular Group | 1989-01-01 | Paper |
| OnGL2of a local ring in which 2 is not a unit II | 1989-01-01 | Paper |
| Free quotients of congruence subgroups of \(SL_ 2\) over a coordinate ring | 1988-01-01 | Paper |
| On GL2 of a Local Ring in Which 2 is Not a Unit | 1987-01-01 | Paper |
| Standard subgroups of GL2(A) | 1987-01-01 | Paper |
| Free quotients of congruence subgroups of SL2 over a Dedekind ring of arithmetic type contained in a function field | 1987-01-01 | Paper |
| Finitely generated GEn-rings | 1987-01-01 | Paper |
| Some homomorphisms of general and special linear groups | 1986-01-01 | Paper |
| ANOMALOUS NORMAL SUBGROUPS OF SL2(K[x)] | 1985-01-01 | Paper |
| On non-normal subgroups of \(GL_ n(A)\) which are normalized by elementary matrices | 1984-01-01 | Paper |
| Anamalous normal subgroups of the modular group | 1983-01-01 | Paper |
| A further note on subgroups of GL(n,A) which are generated by commutators | 1981-01-01 | Paper |
| On subgroups of GL (n, A) which are generated by commutators. II. | 1981-01-01 | Paper |
| On Maximal Nonparabolic Normal Subgroups of the Modular Group | 1979-01-01 | Paper |
| Remarks on a theorem of L. Greenberg on the modular group | 1978-01-01 | Paper |
| Solvable-by-finite subgroups of GL(2, F) | 1978-01-01 | Paper |
| A Note on Subgroups of GL(n, A ) which are Generated by Commutators | 1975-01-01 | Paper |
| On subgroups of GL(n,A) which are generated by commutators | 1974-01-01 | Paper |
| Lattice Subgroups of Normal Subgroups of Genus Zero of the Modular Group | 1972-01-01 | Paper |
| On a Theorem by Leon Greenberg | 1969-01-01 | Paper |
| Lattice subgroups of free congruence groups | 1969-01-01 | Paper |
