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Scheme (mathematics) In mathematics, a scheme is a mathematical structure that enlarges the notion of algebraic variety in several ways, such as taking account of multiplicities (the equations x = 0 and x2 = 0 define the same algebraic variety but different schemes) and allowing "varieties" defined over any commutative ring (for example, Fermat ...
A Ponzi scheme ( / ˈpɒnzi /, Italian: [ˈpontsi]) is a form of fraud that lures investors and pays profits to earlier investors with funds from more recent investors. [1] Named after Italian businessman Charles Ponzi, this type of scheme misleads investors by either falsely suggesting that profits are derived from legitimate business ...
Schema (psychology) In psychology and cognitive science, a schema ( pl.: schemata or schemas) describes a pattern of thought or behavior that organizes categories of information and the relationships among them. [1] [2] It can also be described as a mental structure of preconceived ideas, a framework representing some aspect of the world, or a ...
Rhetoric. In rhetoric, a scheme is a type of figure of speech that relies on the structure of the sentence, unlike the trope, which plays with the meanings of words. [1] A single phrase may involve both a trope and a scheme, e.g., may use both alliteration and allegory .
A scam, or a confidence trick, is an attempt to defraud a person or group after first gaining their trust. Confidence tricks exploit victims using a combination of the victim's credulity, naïveté, compassion, vanity, confidence, irresponsibility, and greed. Researchers have defined confidence tricks as "a distinctive species of fraudulent ...
Scheme (rhetoric), a figure of speech that changes a sentence's structure. Scam, an attempt to swindle or cheat people through deception. Get-rich-quick scheme, a plan to obtain high rates of return for a small investment. Matrix scheme, or ladder scheme, a business model involving the exchange of money for a product and a waiting list for a ...
t. e. A figure of speech or rhetorical figure is a word or phrase that intentionally deviates from ordinary language use to produce a rhetorical effect. [1] Figures of speech are traditionally classified into schemes, which vary the ordinary sequence of words, and tropes, where words carry a meaning other than what they ordinarily signify.
Word spread, and investments increased rapidly. Ponzi hired agents and paid them generous commissions. Between February and March 1920, the total amount invested had risen from $5,000 to $25,000 ($80,000 to $380,000 in 2023, respectively). As the scheme grew, Ponzi hired agents to seek out new investors in New England and New Jersey. At that ...