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Related Concept Videos

Social Exchange Theory02:06

Social Exchange Theory

40.8K
We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
40.8K
Social Exchange Theory01:26

Social Exchange Theory

481
As formulated by John Thibaut and Harold Kelley, Social Exchange Theory explains human relationships as economic-like exchanges that maximize rewards and minimize costs. This theory suggests that individuals engage in relationships to gain benefits and reduce burdens, similar to economic transactions. It has been widely applied to various types of relationships, including romantic, professional, and social interactions.Rewards and Costs in RelationshipsRelationship rewards include emotional...
481
Gas Exchange and Transport01:20

Gas Exchange and Transport

77.0K
Gas exchange, the intake of molecular oxygen (O2) from the environment and the outflow of carbon dioxide (CO2) into the environment, is necessary for cellular function. Gas exchange during respiration occurs largely via the movement of gas molecules along pressure gradients. Gas travels from areas of higher partial pressure to areas of lower partial pressure. In mammals, gas exchange occurs in the alveoli of the lungs, which are adjacent to capillaries and share a membrane with them.
77.0K
Capillary Exchange01:28

Capillary Exchange

11.4K
The cardiovascular system's chief role is to disseminate gases, nutrients, waste, and other substances to the body's cells. Small molecules like gases, lipids, and lipid-soluble substances directly diffuse through capillary wall endothelial cell membranes. Glucose, amino acids, and ions, including sodium, potassium, calcium, and chloride, use transporters for facilitated diffusion via membrane-specific channels. Glucose, ions, and bigger molecules may also pass through intercellular...
11.4K
Ion Exchange01:17

Ion Exchange

1.3K
Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
1.3K
Respiration and Gaseous Exchange01:20

Respiration and Gaseous Exchange

3.5K
The intricate interplay between the cardiovascular and respiratory systems is crucial for efficiently transporting respiratory gases throughout the body. Let us explore the cardiovascular system's multifaceted functions, emphasizing its pivotal role in gas exchange.
Respiration involves the exchange of gases, especially oxygen (O2) and carbon dioxide (CO2), between the alveoli and body cells, a process facilitated by blood circulation. As a result, the cardiovascular system, which involves...
3.5K

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Related Experiment Video

Updated: Feb 8, 2026

Hierarchical and Programmable One-Pot Oligosaccharide Synthesis
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Hierarchical and Programmable One-Pot Oligosaccharide Synthesis

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Hierarchical Consensus Problem via Group Information Exchange.

Jian Hou, Ronghao Zheng

    IEEE Transactions on Cybernetics
    |July 12, 2018
    PubMed
    Summary

    A new hierarchical structure enables multiagent systems to reach consensus efficiently. This approach reduces communication loads for algorithms like PageRank and simplifies Boolean network analysis.

    Area of Science:

    • Control Theory
    • Distributed Systems
    • Network Science

    Background:

    • Multiagent systems require consensus protocols for coordinated behavior.
    • Existing consensus algorithms can face challenges with scalability and communication overhead.

    Purpose of the Study:

    • To introduce a novel hierarchical structure for solving the consensus problem in multiagent systems.
    • To demonstrate the effectiveness of this structure in achieving global and average consensus.

    Main Methods:

    • Agents are organized into groups, each maintaining 'group information'.
    • Agents exchange intragroup information and intergroup information with neighboring groups.
    • Analysis is performed for both discrete-time and continuous-time systems.

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    Main Results:

    • Global consensus is achievable using the proposed hierarchical scheme.
    • A sufficient condition for achieving average consensus is established.
    • The model effectively reduces communication loads and computational complexity.

    Conclusions:

    • The hierarchical structure provides an efficient solution for multiagent consensus.
    • This model has practical applications in PageRank algorithms and Boolean network analysis.
    • The method offers a scalable and computationally advantageous approach to distributed coordination.