# X-machine

## Papers overview

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Highly Cited

2008

Highly Cited

2008

- ICALP
- 2008

HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they… (More)

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2002

2002

- 2002

The problem of describing the homotopy groups of spheres has been fundamental to algebraic topology for around 80 years. There… (More)

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Highly Cited

2001

Highly Cited

2001

- 2001

It is well known that the homotopy category of connected CW-complexes X whose homotopy groups n;(X) are trivial for i> 1 is… (More)

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2001

2001

- Panhellenic Conference on Informatics
- 2001

Formal modeling of complex systems is a non-trivial task, especially if a formal method does not facilitate separate development… (More)

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2000

2000

- Formal Aspects of Computing
- 2000

X-machines were introduced by S. Eilenberg in 1974 ([Eil74]) as a mathematical framework for examining the relationships between… (More)

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Highly Cited

1995

Highly Cited

1995

- 1995

The most important tool for classifying recognizable languages is Eilenberg’s variety theorem [1], which gives a one-to-one… (More)

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Highly Cited

1992

Highly Cited

1992

- 1992

The homology of Lie algebras is closely related to the cyclic homology of associative algebras [LQ]. In [L] the first author… (More)

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Highly Cited

1973

Highly Cited

1973

- 1973

Because parts of the following 1973 article have been suggestive to workers in several areas, the editors of TAC have kindly… (More)

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1971

1971

- 1971

The notion of commutative monad was denned by the author in [4]. The content of the present paper may briefly be stated: The… (More)

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Highly Cited

1969

Highly Cited

1969

- 1969

In this article we see how already in 1967 category theory had made explicit a number of conceptual advances that were entering… (More)

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