Results 51 to 60 of about 86,163 (232)

Category theory : definitions and examples [PDF]

open access: yes, 1990
Category theory was invented as an abstract language for describing certain structures and constructions which repeatedly occur in many branches of mathematics, such as topology, algebra, and logic.
Srinivas, Yellamraju V.
core  

A Unifying Approach to Self‐Organizing Systems Interacting via Conservation Laws

open access: yesAdvanced Intelligent Discovery, EarlyView.
The article develops a unified way to model and analyze self‐organizing systems whose interactions are constrained by conservation laws. It represents physical/biological/engineered networks as graphs and builds projection operators (from incidence/cycle structure) that enforce those constraints and decompose network variables into constrained versus ...
F. Barrows   +7 more
wiley   +1 more source

An Abstract Approach to Consequence Relations

open access: yes, 2019
We generalise the Blok-J\'onsson account of structural consequence relations, later developed by Galatos, Tsinakis and other authors, in such a way as to naturally accommodate multiset consequence.
Cintula, Petr   +3 more
core   +1 more source

On the mathematical synthesis of equational logics [PDF]

open access: yes, 2010
We provide a mathematical theory and methodology for synthesising equational logics from algebraic metatheories. We illustrate our methodology by means of two applications: a rational reconstruction of Birkhoff's Equational Logic and a new equational ...
Chung-Kil Hur   +2 more
core   +3 more sources

The Herfindahl neutral point: A firm‐level threshold for managing market concentration with evidence from US hog packing

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract This paper derives a firm‐level threshold, the Herfindahl Neutral Point, from the standard concentration index used in merger review. At this threshold, a marginal expansion leaves the index unchanged. Firms below the threshold reduce concentration when they expand; firms above it increase concentration.
Andrew J. Keller, Krishna P. Paudel
wiley   +1 more source

Designing a model of institutionalization of organizational culture based on synergy in the tourism holding of Parsian Hotels Group [PDF]

open access: yesارزش آفرینی در مدیریت کسب و کار
The main goal of the current research is to institutionalize an organizational culture based on synergy. In this research, descriptive-quantitative research method was used.
Behnam Rahemi   +2 more
doaj   +1 more source

Eco‐Innovation, Economic Complexity, and Sustainability: A Bibliometric and Systematic Literature Review

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study systematizes the literature on eco‐innovation and economic complexity, aiming to understand how the sophistication of productive structures shapes countries' capacity to develop environmentally responsible innovations, and how eco‐innovation may, in turn, influence productive sophistication.
Gregory Matheus Pereira de Moraes   +1 more
wiley   +1 more source

Designing and Compiling a Strategic Roadmap for the Development of an Intelligent Citizen with a Data-Based Approach [PDF]

open access: yesپژوهش‌های مدیریت عمومی
Today, innovation in information and communication technology has always been at the heart of the implementation of new cities, including smart cities. Understanding the importance of the arrival of information technology in the country and the algebraic
Ali Reza Sargolzaei   +1 more
doaj   +1 more source

Frontiers in complex dynamics

open access: yes, 1994
Rational maps on the Riemann sphere occupy a distinguished niche in the general theory of smooth dynamical systems. First, rational maps are complex-analytic, so a broad spectrum of techniques can contribute to their study (quasiconformal mappings ...
McMullen, Curtis T.
core   +4 more sources

Beyond Economic‐Environmental Dominance: Knowledge Management and Responsible Sustainability in Business Strategy Research

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study provides an exploratory, descriptive analysis of how knowledge management (KM) research engages with responsible sustainability from a strategic perspective. Using bibliometric science mapping, we analyse 97 Web of Science publications to identify dominant thematic patterns, relative emphases and conceptual blind spots shaping the ...
Jaime J. González‐Masip
wiley   +1 more source

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