selected scholarly activity
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chapters
- A Generalization of D’Alembert’s Functional Equation. Advances in Mathematics. 245-248. 2002
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journal articles
- D'Alembert's functional equation on topological monoids. Publicationes Mathematicae. 75:41-66. 2009
- D’Alembert’s functional equation on topological groups. Aequationes Mathematicae. 76:33-53. 2008
- A Hosszu-like functional equation. Publicationes Mathematicae. 58:505-513. 2001
- Some Cauchy-like functional equations on the natural numbers. Publicationes Mathematicae. 58:303-312. 2001
- The cocycle equation on periodic semigroups. Aequationes Mathematicae. 56:216-221. 1998
- A Cauchy-like functional equation. Aequationes Mathematicae. 56:27-36. 1998
- COCYCLES ON CANCELLATIVE SEMIGROUPS. Publicationes Mathematicae. 46:137-147. 1995
- On The Generalized Cocycle Equation of Ebanks and Ng. Results in Mathematics. 26:253-257. 1994
- Restricted homogeneity implies bi-additivity. Annales Polonici Mathematici. 48:121-125. 1988
- Bilinear three-cycles on the projective line. Aequationes Mathematicae. 33:72-80. 1987
- Röhmel's equation for quadratic forms. Aequationes Mathematicae. 34:78-81. 1987
- The TwenTy-third International Symposium on Functional Equations June 2-June 11, 1985, Gargnano, Italy. Aequationes Mathematicae. 30:284-287. 1986
- Jordan derivations and quasi-bilinear forms. Communications in Algebra. 12:23-32. 1984
- On Gleason's Definition of Quadratic Forms. Canadian Mathematical Bulletin. 24:233-236. 1981
- A functional equation for quadratic forms. Aequationes Mathematicae. 21:1-7. 1980
- Hosszú's functional equation over rings generated by their units. Aequationes Mathematicae. 21:121-128. 1980
- Hosszú's functional equation over rings generated by their units. Aequationes Mathematicae. 20:318-318. 1980
- A functional equation for quadratic forms. Aequationes Mathematicae. 19:305-306. 1979
- A Generalization of Regulated Functions. American Mathematical Monthly. 86:202-204. 1979
- A Generalization of Regulated Functions. American Mathematical Monthly. 86:202-202. 1979
- Distributive homomorphisms of rings and modules.. Journal für die Reine und Angewandte Mathematik. 1974:28-34. 1974
- On the functional equationf(m + n − mn) + f(mn) = f(m) + f(n). Aequationes Mathematicae. 10:206-211. 1974
- The complete solution of Hosszú's functional equation over a field. Aequationes Mathematicae. 11:273-276. 1974
- The complete solution of Hosszú's functional equation over a field. Aequationes Mathematicae. 11:114-115. 1974
- On the functional equationf(m+n−mn)+f(mn)=f(m)+f(n). Aequationes Mathematicae. 9:310-311. 1973
- Lagrangian monoids. Archiv der Mathematik. 21:123-124. 1970
- On Rings of Fractions. Canadian Mathematical Bulletin. 13:425-430. 1970
- E1994. American Mathematical Monthly. 75:903-903. 1968
- A Tauberian Theorem and Analogues of the Prime Number Theorem. Canadian Journal of Mathematics. 20:362-367. 1968
- Elementary Problems: E1985-E1994. American Mathematical Monthly. 74:589-589. 1967
- On Arithmetic Convolutions. Canadian Mathematical Bulletin. 9:287-296. 1966
- 3133. American Mathematical Monthly. 69:237-237. 1962