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A parking function is a sequence of N nonnegative integers majorated by a permutation of the set {0, ..., N-1}. We provide a way to encode parking functions by data suggested by J.Haglund and N.Loehr. This coding is compared with another…

Combinatorics · Mathematics 2007-05-23 Yurii M. Burman

For any integers $1\leq k\leq n$, we introduce a new family of parking functions called $k$-vacillating parking functions of length $n$. The parking rule for $k$-vacillating parking functions allows a car with preference $p$ to park in the…

Combinatorics · Mathematics 2024-08-27 Bruce Fang , Pamela E. Harris , Brian M. Kamau , David Wang

Parking functions are tuples that describe the parking of $M$ cars on a street with $M$ parking spots. In this paper, we define exact $k$-typed parking functions ($k$-TPFs) to be a variant of classical parking functions. We then establish…

Combinatorics · Mathematics 2026-03-03 Aalliyah Celestine , Jacob van der Leeuw , Lina Liu

We investigate parking in a one-dimensional lot, where cars enter at a rate $\lambda$ and each attempts to park close to a target at the origin. Parked cars also depart at rate 1. An entering driver cannot see beyond the parked cars for…

Physics and Society · Physics 2021-09-07 P. L. Krapivsky , S. Redner

We recall that a parking function of length $n+1$ is said to be prime if removing any instance of 1 yields a parking function of length $n$. In this article, we study prime parking functions from multiple lenses. We derive an explicit…

Combinatorics · Mathematics 2026-01-29 Pamela E. Harris , Selvi Kara , Erin McNicholas , Kathryn Nyman , Mei Yin

Classical parking functions are a generalization of permutations that appear in many combinatorial structures. Prime parking functions are indecomposable components such that any classical parking function can be uniquely described as a…

We explore the link between combinatorics and probability generated by the question "What does a random parking function look like?" This gives rise to novel probabilistic interpretations of some elegant, known generating functions. It…

Probability · Mathematics 2016-11-30 Persi Diaconis , Angela Hicks

An \emph{$(r,k)$-parking function} of length $n$ may be defined as a sequence $(a_1,\dots,a_n)$ of positive integers whose increasing rearrangement $b_1\leq\cdots\leq b_n$ satisfies $b_i\leq k+(i-1)r$. The case $r=k=1$ corresponds to…

Combinatorics · Mathematics 2018-05-18 Richard Stanley , Yinghui Wang

A classical parking function of length $n$ is a list of positive integers $(a_1, a_2, \ldots, a_n)$ whose nondecreasing rearrangement $b_1 \leq b_2 \leq \cdots \leq b_n$ satisfies $b_i \leq i$. The convex hull of all parking functions of…

Combinatorics · Mathematics 2023-09-12 Mitsuki Hanada , John Lentfer , Andrés R. Vindas-Meléndez

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

Given a positive-integer-valued vector $u=(u_1, \dots, u_m)$ with $u_1<\cdots<u_m$. A $u$-parking function of length $m$ is a sequence $\pi=(\pi_1, \dots, \pi_m)$ of positive integers whose non-decreasing rearrangement $(\lambda_1, \dots,…

Combinatorics · Mathematics 2021-12-08 Mei Yin

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

There is a well-known bijection between parking functions of a fixed length and maximal chains of the noncrossing partition lattice which we can use to associate to each set of parking functions a poset whose Hasse diagram is the union of…

Combinatorics · Mathematics 2016-09-01 Melody Bruce , Michael Dougherty , Max Hlavacek , Ryo Kudo , Ian Nicolas

Smart-parking solutions use sensors, cameras, and data analysis to improve parking efficiency and reduce traffic congestion. Computer vision-based methods have been used extensively in recent years to tackle the problem of parking lot…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Paulo R. Lisboa de Almeida , Jeovane Honório Alves , Luiz S. Oliveira , Andre Gustavo Hochuli , João V. Fröhlich , Rodrigo A. Krauel

We study the enumeration problem for different kind of tree parking functions introduced recently, called tree parking functions, tree parking distributions, prime tree parking functions, and prime tree parking distributions, for rooted…

Combinatorics · Mathematics 2020-07-30 Alois Panholzer

In this article, we establish new results on the probabilistic parking model (introduced by Durm\'ic, Han, Harris, Ribeiro, and Yin) with $m$ cars and $n$ parking spots and probability parameter $p\in[0,1]$. For any $ m \leq n$ and $p \in…

Probability · Mathematics 2025-02-04 Pamela E. Harris , Rodrigo Ribeiro , Mei Yin

We recall that the $k$-Naples parking functions of length $n$ (a generalization of parking functions) are defined by requiring that a car which finds its preferred spot occupied must first back up a spot at a time (up to $k$ spots) before…

Let $\Delta$ be an integer $n \times n$-matrix which satisfies the conditions: $\det \Delta\neq 0$, $\Delta_{ij}\leq 0\text{ for }i\neq j,$ and there exists a vector ${\bf r}=(r_1,\ldots,r_n)>0$ such that ${\bf r}\Delta \geq 0$. Here the…

Combinatorics · Mathematics 2014-07-09 Jun Ma , Yeong-Nan Yeh

There are so many vehicles in the world and the number of vehicles is increasing rapidly. To alleviate the parking problems caused by that, the smart parking system has been developed. The parking planning is one of the most important parts…

Data Structures and Algorithms · Computer Science 2017-08-29 Xuejian Zhao , Kui Zhao , Feng Ha

We investigate simple strategies that embody the decisions that one faces when trying to park near a popular destination. Should one park far from the target (destination), where finding a spot is easy, but then be faced with a long walk,…

Physics and Society · Physics 2020-02-25 P. L. Krapivsky , S. Redner