Zobrazeno 1 - 10
of 105
pro vyhledávání: '"Lentfer, A. P."'
Autor:
Beck, Matthias, Hanada, Mitsuki, Hlavacek, Max, Lentfer, John, Vindas-Meléndez, Andrés R., Waddle, Katie
We study a refinement of the $q,t$-Catalan numbers introduced by Xin and Zhang (2022, 2023) using tools from polyhedral geometry. These refined $q,t$-Catalan numbers depend on a vector of parameters $\vec{k}$ and the classical $q,t$-Catalan numbers a
Externí odkaz:
http://arxiv.org/abs/2407.21226
Autor:
Lentfer, John
We give the first conjectural construction of a monomial basis for the coinvariant ring $R_n^{(1,2)}$, for the symmetric group $S_n$ acting on one set of bosonic (commuting) and two sets of fermionic (anticommuting) variables. Our construction interp
Externí odkaz:
http://arxiv.org/abs/2406.19715
Autor:
Banaian, Esther, Celano, Kyle, Chang-Lee, Megan, Colmenarejo, Laura, Goff, Owen, Kimble, Jamie, Kimpel, Lauren, Lentfer, John, Liang, Jinting, Sundaram, Sheila
The operation of twinning a graph at a vertex was introduced by Foley, Ho\`ang, and Merkel (2019), who conjectured that twinning preserves $e$-positivity of the chromatic symmetric function. A counterexample to this conjecture was given by Li, Li, Wa
Externí odkaz:
http://arxiv.org/abs/2405.17649
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 length $n$ i
Externí odkaz:
http://arxiv.org/abs/2212.06885
Autor:
Bołdyriew, Elżbieta, Haviland, John, Lâm, Phúc, Lentfer, John, Miller, Steven J., Suárez, Fernando Trejos
A positive linear recurrence sequence (PLRS) is a sequence defined by a homogeneous linear recurrence relation with positive coefficients and a particular set of initial conditions. A sequence of positive integers is \emph{complete} if every positive
Externí odkaz:
http://arxiv.org/abs/2010.04071
Autor:
Bołdyriew, Elżbieta, Haviland, John, Lâm, Phúc, Lentfer, John, Miller, Steven J., Suárez, Fernando Trejos
A sequence of positive integers is complete if every positive integer is a sum of distinct terms. A positive linear recurrence sequence (PLRS) is a sequence defined by a homogeneous linear recurrence relation with nonnegative coefficients of the form
Externí odkaz:
http://arxiv.org/abs/2010.01655
Autor:
Bołdyriew, Elżbieta, Cusenza, Anna, Dai, Linglong, Ding, Pei, Dunkelberg, Aidan, Haviland, John, Huffman, Kate, Ke, Dianhui, Kleber, Daniel, Kuretski, Jason, Lentfer, John, Luo, Tianhao, Miller, Steven J., Mizgerd, Clayton, Tiwari, Vashisth, Ye, Jingkai, Zhang, Yunhao, Zheng, Xiaoyan, Zhu, Weiduo
Zeckendorf's Theorem states that every positive integer can be uniquely represented as a sum of non-adjacent Fibonacci numbers, indexed from $1, 2, 3, 5,\ldots$. This has been generalized by many authors, in particular to constant coefficient fixed d
Externí odkaz:
http://arxiv.org/abs/2009.12475
While there are many identities involving the Euler and Bernoulli numbers, they are usually proved analytically or inductively. We prove two identities involving Euler and Bernoulli numbers with combinatorial reasoning via up-down permutations.
Externí odkaz:
http://arxiv.org/abs/2007.12295
Publikováno v:
PLoS ONE, Vol 12, Iss 4, p e0175151 (2017)
Projectile technology is considered to appear early in the southern African Middle Stone Age (MSA) and the rich and high resolution MSA sequence of Sibudu Cave in KwaZulu-Natal has provided many new insights about the use and hafting of various proje
Externí odkaz:
https://doaj.org/article/5f5939a33d6448e081b91073b2874f35
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