Results 51 to 60 of about 426,250 (213)

The Ascent Lattice on Dyck Paths

open access: yesThe Electronic Journal of Combinatorics
In the Stanley lattice defined on Dyck paths of size $n$, cover relations are obtained by replacing a valley $DU$ by a peak $UD$. We investigate a greedy version of this lattice, first introduced by Chenevière, where cover relations replace a factor $DU^k D$ by $U^kD^2$.
Baril, Jean-Luc   +3 more
openaire   +4 more sources

When Nature Counts: Corporate Biodiversity Attention and Access to Bank Finance

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This paper investigates whether corporate attention to biodiversity influences firms' access to bank loans, an overlooked question in the emerging biodiversity–finance literature. Using a novel, text‐based measure constructed from 446 biodiversity‐related keywords and applied to Chinese A‐share listed firms from 2000 to 2023, we show that ...
Ruxiao Li   +3 more
wiley   +1 more source

Dyck Numbers, III. Enumeration and bijection with symmetric Dyck paths

open access: yes, 2023
Dyck paths (also balanced brackets and Dyck words) are among the most heavily studied Catalan families. This paper is a continuation of [2, 3]. In the paper we enumerate the terms of the OEIS A036991, Dyck numbers, and construct a concomitant bijection ...
Eremin, Gennady
core  

Another bijection between $2$-triangulations and pairs of non-crossing Dyck paths [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2009
A $k$-triangulation of the $n$-gon is a maximal set of diagonals of the $n$-gon containing no subset of $k+1$ mutually crossing diagonals. The number of $k$-triangulations of the $n$-gon, determined by Jakob Jonsson, is equal to a $k \times k$ Hankel ...
Carlos M. Nicolás
doaj   +1 more source

Efficient Exact Paths For Dyck and semi-Dyck Labeled Path Reachability

open access: yesCoRR, 2018
The exact path length problem is to determine if there is a path of a given fixed cost between two vertices. This paper focuses on the exact path problem for costs $-1,0$ or $+1$ between all pairs of vertices in an edge-weighted digraph. The edge weights are from $\{ -1, +1 \}$. In this case, this paper gives an $\widetilde{O}(n^ω)$ exact path solution.
openaire   +2 more sources

The Schützenberger involution over Dyck paths

open access: yesEuropean Journal of Combinatorics, 2016
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
BARNABEI, MARILENA   +1 more
openaire   +4 more sources

Whose Sustainability Counts? Board Governance, ESG Ratings, and Sustainable Development Goals: Evidence on the ESG–SDG Wedge

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Institutional investors increasingly rely on ESG ratings to evaluate financially material sustainability risks, while governments promote corporate alignment with the United Nations Sustainable Development Goals (SDGs). Because these frameworks differ substantially in capital market salience and monitoring intensity, board oversight may not ...
Mohamed Hegazy   +2 more
wiley   +1 more source

Dyck paths with first sojourn highest [PDF]

open access: yes
A Dyck path is a lattice path in the first quadrant using steps $u=(1,1)$ and $d=(1,-1)$, starting at the origin and ending on the $x$-axis. A Dyck sojourn is a Dyck path with only one return to the $x$-axis. Various subclasses of Dyck paths are shown to
Knopfmacher, Arnold, Blecher, Aubrey
core   +1 more source

Minimal and maximal plateau lengths in Motzkin paths [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2007
The minimal length of a plateau (a sequence of horizontal steps, preceded by an up- and followed by a down-step) in a Motzkin path is known to be of interest in the study of secondary structures which in turn appear in mathematical biology. We will treat
Helmut Prodinger, Stephan Wagner
doaj   +1 more source

Breadth at the Helm: Generalist CEOs and Corporate ESG Performance‐Evidence From China

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Drawing on the Upper Echelons Theory and the Imprinting Theory, this study conjectures that generalist CEOs may have a stronger tendency to pursue environmental, social and governance (ESG) goals. We perform multiple regression analyses with observations of Shanghai and Shenzhen A‐share listed companies from 2010 to 2023 in order to explore ...
Shanmei Luo   +4 more
wiley   +1 more source

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