Results 151 to 160 of about 219,967 (286)

Graceful tree conjecture for infinite trees

open access: yes, 2009
One of the most famous open problems in graph theory is the Graceful Tree Conjecture, which states that every finite tree has a graceful labeling. In this paper, we define graceful labelings for countably infinite graphs, and state and verify a Graceful ...
Chan, TL, Cheung, WS, Ng, TW
core  

Development and application of a mechanistic model for protein A resolution of a bispecific antibody for process characterization and optimization

open access: yesBiotechnology Progress, EarlyView.
Abstract Regeneron's bispecific technology, based on a fully human IgG antibody construct, consists of two distinct heavy chains and a common light chain co‐expressed in a single cell. The co‐expression of the two distinct heavy chains, one of which contains a dipeptide substitution that ablates Protein A binding, leads to the formation of three ...
Samantha Wadsworth   +4 more
wiley   +1 more source

Investigating the Customer Journey in Second‐Hand Fashion Platforms: Implications for Luxury Brand Management

open access: yesJournal of Consumer Behaviour, Volume 24, Issue 2, Page 655-672, March 2025.
ABSTRACT Consumers' increasing environmental concerns are prompting a shift in fashion consumption, fueling the remarkable growth of the second‐hand market. Over the last decade, this trend has spurred the emergence of a plethora of online platforms dedicated to the resale of pre‐loved fashion items.
Gabriele Murtas, Giuseppe Pedeliento
wiley   +1 more source

Graceful labelings of the generalized Petersen graphs

open access: yesCommunications in Combinatorics and Optimization, 2017
A graceful labeling of a graph $G=(V,E)$ with $m$ edges is an‎ ‎injection $f‎: ‎V(G) \rightarrow \{0,1,\ldots,m\}$ such that the resulting edge labels‎ ‎obtained by $|f(u)-f(v)|$ on every edge $uv$ are pairwise distinct‎.
Zehui , Fei , Zepeng
doaj  

All Quiet on the Luxury Front: How and When Sustainability Labels Influence Purchase Behavior

open access: yesJournal of Consumer Behaviour, EarlyView.
ABSTRACT As luxury brands launch sustainability initiatives and products, they face significant challenges, including the need to effectively communicate their practices to consumers. The current research draws on semiotics theory to explore how and when distinct types of sustainability labels, indexical and iconic, enhance brand authenticity ...
Shelly Rathee   +2 more
wiley   +1 more source

Graceful Tree Labelings

open access: yes, 2012
The Graceful Tree Conjecture was published almost 40 years ago and nowadays it is still an open problem. It seems as difficult to solve as it is to enunciate: every tree admits a vertex labeling on 0, 1, ..., n-1 such that the set of values of the differences of the numbers assigned to the ends of each edge is the set {1, 2, ..., n-1}.
openaire   +1 more source

Evolving Paradigms of Sustainability in Luxury Fashion: Evidence From an Emerging Market

open access: yesJournal of Consumer Behaviour, EarlyView.
ABSTRACT The global fashion industry is both an economic driver and a major contributor of environmental and social challenges. This research examines how sustainable luxury fashion is constructed and adopted within an emerging market context by integrating perspectives from entrepreneurs, industry managers, and consumers.
Sandipan Sen   +4 more
wiley   +1 more source

Interpreting Sustainability in Design: How Design Cues Shape Evaluation in Symbolic Product Categories

open access: yesJournal of Consumer Behaviour, EarlyView.
ABSTRACT The present research examines how consumers interpret visible manifestations of circular production and how these interpretations shape product evaluation in symbolic product categories. Prior research has primarily examined sustainability as an evaluative attribute, with comparatively less attention devoted to how sustainability cues embedded
Eun‐Jung Lee
wiley   +1 more source

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