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Related papers: A note on the log-concavity of parking functions

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Menon's proof of the preservation of log-concavity of sequences under convolution becomes simpler when adapted to 2-sided infinite sequences. Under assumption of log-concavity of two 2-sided infinite sequences, the existence of the…

Combinatorics · Mathematics 2019-03-07 Stephan Foldes , Laszlo Major

We recall that unit interval parking functions of length $n$ are a subset of parking functions in which every car parks in its preference or in the spot after its preference, and Fubini rankings of length $n$ are rankings of $n$ competitors…

Parking sequences (a generalization of parking functions) are defined by specifying car lengths and requiring that a car attempts to park in the first available spot after its preference. If it does not fit there, then a collision occurs…

Combinatorics · Mathematics 2023-01-27 Spencer J. Franks , Pamela E. Harris , Kimberly Harry , Jan Kretschmann , Megan Vance

We extend the notion of parking functions to parking sequences, which include cars of different sizes, and prove a product formula for the number of such sequences.

Combinatorics · Mathematics 2017-08-31 Richard Ehrenborg , Alex Happ

We classify graphs and, more generally, finite relational structures that are identified by C2, that is, two-variable first-order logic with counting. Using this classification, we show that it can be decided in almost linear time whether a…

Logic in Computer Science · Computer Science 2015-03-31 Sandra Kiefer , Pascal Schweitzer , Erkal Selman

Recently, the authors extended the notion of parking functions to parking sequences, which include cars of different sizes, and proved a product formula for the number of such sequences. We here give a refinement of that result involving…

Combinatorics · Mathematics 2017-09-06 Richard Ehrenborg , Alex Happ

We extend the notion of parking function polytopes and study their geometric and combinatorial structure, including normal fans, face posets, and $h$-polynomials, as well as their connections to other classes of polytopes. To capture their…

Combinatorics · Mathematics 2025-12-17 Fu Liu , Warut Thawinrak

We enumerate interlaced pairs of parking functions whose underlying Dyck path has a bounded height. We obtain an explicit formula for this enumeration in the form of a quotient of analogs of Chebicheff polynomials having coefficients in the…

Combinatorics · Mathematics 2015-04-28 Francois Bergeron

We prove new, general versions of Bernstein-von Mises theorem for both well-specified and misspecified models when the log-likelihood is concave in the parameter and the prior distribution is log-concave. Unlike classical versions of…

Statistics Theory · Mathematics 2026-02-12 Victor-Emmanuel Brunel

The conceptions of $G$-parking functions and $G$-multiparking functions were introduced in [15] and [12] respectively. In this paper, let $G$ be a connected graph with vertex set $\{1,2,...,n\}$ and $m\in V(G)$. We give the definition of…

Combinatorics · Mathematics 2008-10-23 Hungyung Chang , Po-Yi Huang , Jun Ma , Yeong-Nan Yeh

We prove, using optimal transport tools, weighted Poincar'e inequalities for log-concave random vectors satisfying some centering conditions. We recover by this way similar results by Klartag and Barthe-Cordero-Erausquin for log-concave…

Probability · Mathematics 2014-07-14 Dario Cordero-Erausquin , Nathael Gozlan

We present a concept called the branch-depth of a connectivity function, that generalizes the tree-depth of graphs. Then we prove two theorems showing that this concept aligns closely with the notions of tree-depth and shrub-depth of graphs…

Combinatorics · Mathematics 2020-11-05 Matt DeVos , O-joung Kwon , Sang-il Oum

In parking problems, a given number of cars enter a one-way street sequentially, and try to park according to a specified preferred spot in the street. Various models are possible depending on the chosen rule for collisions, when two cars…

Combinatorics · Mathematics 2024-01-05 Yujia Kang , Thomas Selig , Guanyi Yang , Yanting Zhang , Haoyue Zhu

We establish discrete and continuous log-concavity results for a biparametric extension of the $q$-numbers and of the $q$-binomial coefficients. By using classical results for the Jacobi theta function we are able to lift some of our…

Classical Analysis and ODEs · Mathematics 2020-08-12 Michael J. Schlosser , Koushik Senapati , Ali K. Uncu

In this note we study the Petty projection of a log-concave function, which has been recently introduced in [9]. Moreover, we present some new inequalities involving this new notion, partly complementing and correcting some results from…

Functional Analysis · Mathematics 2023-05-29 Leticia Alves da Silva , Bernardo González Merino , Rafael Villa

With the sharp increase in the number of vehicles, the issue of parking difficulties has emerged as an urgent challenge that many cities need to address promptly. In the task of predicting large-scale urban parking data, existing research…

Machine Learning · Computer Science 2025-02-24 Yixuan Wang , Zhenwu Chen , Kangshuai Zhang , Yunduan Cui , Yang Yang , Lei Peng

Parking functions correspond with preferences of $n$ cars which enter sequentially to park on a one-way street where (1) each car parks in the first available spot greater than or equal to its preference and (2) all cars successfully park.…

Combinatorics · Mathematics 2024-12-12 Steve Butler , Kimberly Hadaway , Victoria Lenius , Preston Martens , Marshall Moats

This paper provides an exploration of parking functions, a classical combinatorial object. We present two viewpoints on their structure and properties: through poset of noncrossing partitions and polytopes.

History and Overview · Mathematics 2024-12-17 Yan Liu

One of the most important classes of even $\Delta$-matroids arises from orientable ribbon graphs, which play a role analogous to that of graphic matroids in matroid theory. Motivated by a natural correspondence between strong…

Combinatorics · Mathematics 2026-03-09 Changxin Ding , Donggyu Kim

Back in the nineties Pak and Stanley introduced a labeling of the regions of a k-Shi arrangement by k-parking functions and proved its bijectivity. Duval, Klivans, and Martin considered a modification of this construction associated with a…

Combinatorics · Mathematics 2015-01-07 Mikhail Mazin
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