V2EX bisimulation

Bisimulation

定义 Definition

bisimulation(双模拟):在理论计算机科学(尤其是并发理论、过程代数、模型检验)中,用来判定两个状态/系统是否“行为等价”的一种关系。直观地说,如果系统 A 走一步能到某个状态,系统 B 也能走一步到“对应”的状态,反过来也一样,则它们在该关系下是双模拟的。(在不同语境中还可能涉及强/弱双模拟等变体。)

例句 Examples

Two labeled transition systems are equivalent if there exists a bisimulation between their initial states.
如果两个带标记的转移系统的初始状态之间存在一个双模拟关系,那么它们是等价的。

In the verification of concurrent protocols, bisimulation provides a robust notion of behavioral equivalence that is preserved under composition.
在并发协议的验证中,双模拟提供了一种稳健的行为等价概念,并且在组合(合成)操作下仍能保持。

发音 Pronunciation (IPA)

/basmjulen/

词源 Etymology

bi-(“双、两者”)+ simulation(“模拟”)构成,字面意思是“双向的模拟”:不仅 A 能模拟 B 的行为,B 也能反过来模拟 A 的行为,因此用于刻画“你来我往对得上”的行为一致性。

相关词 Related Words

文学与经典著作 Literary Works

  • Communication and Concurrency(Robin Milner):在并发理论语境中系统讨论双模拟等行为等价概念。
  • The π-Calculus: A Theory of Mobile Processes(Davide Sangiorgi & David Walker):在 π 演算中广泛使用双模拟来刻画过程等价。
  • Principles of Model Checking(Christel Baier & Joost-Pieter Katoen):在模型检验框架下介绍双模拟及其与等价缩减等技术的关系。
  • Model Checking(Edmund M. Clarke, Orna Grumberg, Doron A. Peled):在形式化验证语境中提及与双模拟相关的等价与简化思想。
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