1

A short combinatorial proof of derangement identity

Year:
2018
Language:
english
File:
PDF, 109 KB
english, 2018
2

Two Extensions of the Sury's Identity

Year:
2016
Language:
english
File:
PDF, 108 KB
english, 2016
3

Mostar index

Year:
2018
Language:
english
File:
PDF, 984 KB
english, 2018
4

Lah numbers and Lindström's lemma

Year:
2017
Language:
english
File:
PDF, 266 KB
english, 2017
7

Two infinite families of terminating binomial sums

Year:
2017
Language:
english
File:
PDF, 399 KB
english, 2017
8

A Class of S -Restricted Compositions

Year:
2018
Language:
english
File:
PDF, 395 KB
english, 2018
9

Algebraic properties of the canonical incidence matrix of a biplane

Year:
2017
Language:
english
File:
PDF, 394 KB
english, 2017