A Diophantine transport problem from 2016 and its possible solution from 1903

Authors

  • Silvia Boumova Faculty of Mathematics and Informatics, Sofia University, and Institute of Mathematics and Informatics, Bulgarian Academy of Sciences https://orcid.org/0000-0002-1754-7358
  • Vesselin Drensky Institute of Mathematics and Informatics, Bulgarian Academy of Sciences https://orcid.org/0000-0002-6769-6757
  • Boyan Kostadinov Faculty of Applied Mathematics and Informatics, Technical University of Sofia, Bulgaria

Keywords:

Linear Diophantine inequalities, solutions in nonnegative integers, transport problem, generating functions, Laurent series, nice rational functions

Abstract

Motivated by a recent Diophantine transport problem about how to transport prof- itably a group of persons or objects, we survey classical facts about solving systems of linear Diophantine equations and inequalities in nonnegative integers. We emphasize on the method of Elliott from 1903 and its further development by MacMahon in his “Ω-Calculus” or Partition Analysis. As an illustration we obtain the solution of the considered transport problem in terms of a formal power series in several variables which is an expansion of a rational function of a special form.

Author Biographies

Silvia Boumova, Faculty of Mathematics and Informatics, Sofia University, and Institute of Mathematics and Informatics, Bulgarian Academy of Sciences

Silvia Boumova
Faculty of Mathematics and Informatics
Sofia University “ St. Kliment Ohridski”
5 James Bourchier Blvd.,
1164 Sofia, Bulgaria
and
Institute of Mathematics and Informatics
Bulgarian Academy of Sciences
Acad. G. Bonchev Str., Block 8
1113 Sofia, Bulgaria
e-mail: boumova@fmi.uni-sofia.bg, silvi@math.bas.bg

Vesselin Drensky, Institute of Mathematics and Informatics, Bulgarian Academy of Sciences

Vesselin Drensky
Institute of Mathematics and Informatics
Bulgarian Academy of Sciences
Acad. G. Bonchev Str., Block 8
1113 Sofia, Bulgaria
e-mail: drensky@math.bas.bg

Boyan Kostadinov, Faculty of Applied Mathematics and Informatics, Technical University of Sofia, Bulgaria

Boyan Kostadinov
Faculty of Applied Mathematics and Informatics
Technical University of Sofia
8 Kl. Ohridski Blvd.,
1000 Sofia, Bulgaria
e-mail: boyan.sv.kostadinov@gmail.com

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Published

2020-04-07

How to Cite

[1]
Boumova, S., Drensky, V. and Kostadinov, B. 2020. A Diophantine transport problem from 2016 and its possible solution from 1903. Mathematics and Education in Mathematics. 49, (Apr. 2020), 89–113.