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pro vyhledávání: '"STOJADINOVIĆ, Tanja"'
Autor:
Mitrovic, Stefan, Stojadinovic, Tanja
Stanley and Grinberg introduced the symmetric function associated to digraphs, called the Redei-Berge symmetric function. In [8] is shown that this symmetric function arises from a suitable structure of combinatorial Hopf algebra on digraphs. In this
Externí odkaz:
http://arxiv.org/abs/2407.18608
Autor:
Mitrovic, Stefan, Stojadinovic, Tanja
We introduce two classes of graphs - suns and dumbbells, both with few variations and explore their chromatic symmetric function and its $e$-positivity. We also give many connections of these two classes with other classes of connected graphs.
Externí odkaz:
http://arxiv.org/abs/2405.11946
Autor:
Grujić, Vladimir, Stojadinović, Tanja
In a series of recent talks Richard Stanley introduced a symmetric function associated to digraphs called the Redei-Berge symmetric function. This symmetric function enumerates descent sets of permutations corresponding to digraphs. We show that such
Externí odkaz:
http://arxiv.org/abs/2402.07606
Autor:
Pešović, Marko, Stojadinović, Tanja
This manuscript introduces a finite collection of generalized permutohedra associated to a simple graph. The first polytope of this collection is the graphical zonotope of the graph and the last is the graph-associahedron associated to it. We describ
Externí odkaz:
http://arxiv.org/abs/2209.12053
Autor:
Mitrović, Stefan, Stojadinović, Tanja
Publikováno v:
In Discrete Mathematics March 2025 348(3)
To an extended permutohedron we associate the weighted integer points enumerator, whose principal specialization is the $f$-polynomial. In the case of poset cones it refines Gessel's $\mathsf{P}$-partitions enumerator. We show that this enumerator is
Externí odkaz:
http://arxiv.org/abs/1907.00099
Autor:
Pešović, Marko, Stojadinović, Tanja
Publikováno v:
Applicable Analysis and Discrete Mathematics, 2021 Oct 01. 15(2), 337-356.
Externí odkaz:
https://www.jstor.org/stable/27090833
We introduce a weighted quasisymmetric enumerator function associated to generalized permutohedra. It refines the Billera, Jia and Reiner quasisymmetric function which also includes the Stanley chromatic symmetric function. Beside that it carries inf
Externí odkaz:
http://arxiv.org/abs/1704.06715
Autor:
Grujić, Vladimir, Stojadinović, Tanja
A new algebraic formula for the numbers of faces of nestohedra is obtained. The enumerator function $F(P_B)$ of positive lattice points in interiors of maximal cones of the normal fan of the nestohedron $P_B$ associated to a building set $B$ is descr
Externí odkaz:
http://arxiv.org/abs/1703.08826
Autor:
PEŠOVIĆ, Marko1 mpesovic@grf.bg.ac.rs, STOJADINOVIĆ, Tanja1,2
Publikováno v:
Turkish Journal of Mathematics. 2023, Vol. 47 Issue 5, p1362-1373. 12p.