# Projections of relations

Mathematica Bohemica (1995)

- Volume: 120, Issue: 3, page 283-291
- ISSN: 0862-7959

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topKarásek, Jiří. "Projections of relations." Mathematica Bohemica 120.3 (1995): 283-291. <http://eudml.org/doc/247803>.

@article{Karásek1995,

abstract = {A projection of a relation is defined as a relation of reduced arity. The paper deals with projections of relations in coherence with their reflexivity, symmetry, completeness, regularity, cyclicity and other properties. Relationships between projections of hulls and hulls of projections are also studied.},

author = {Karásek, Jiří},

journal = {Mathematica Bohemica},

keywords = {relations of arbitrary arity; reflexivity; symmetry; antisymmetry; cyclicity; projection; hulls of relations; hulls of projections; $n$-decomposition; relation; diagonal; $(\mathcal \{K\},\varphi )$-modification; $(p)$-hull; $(q,X)$-projection; -decomposition; relations of arbitrary arity; reflexivity; symmetry; antisymmetry; cyclicity; projection; hulls of relations; hulls of projections},

language = {eng},

number = {3},

pages = {283-291},

publisher = {Institute of Mathematics, Academy of Sciences of the Czech Republic},

title = {Projections of relations},

url = {http://eudml.org/doc/247803},

volume = {120},

year = {1995},

}

TY - JOUR

AU - Karásek, Jiří

TI - Projections of relations

JO - Mathematica Bohemica

PY - 1995

PB - Institute of Mathematics, Academy of Sciences of the Czech Republic

VL - 120

IS - 3

SP - 283

EP - 291

AB - A projection of a relation is defined as a relation of reduced arity. The paper deals with projections of relations in coherence with their reflexivity, symmetry, completeness, regularity, cyclicity and other properties. Relationships between projections of hulls and hulls of projections are also studied.

LA - eng

KW - relations of arbitrary arity; reflexivity; symmetry; antisymmetry; cyclicity; projection; hulls of relations; hulls of projections; $n$-decomposition; relation; diagonal; $(\mathcal {K},\varphi )$-modification; $(p)$-hull; $(q,X)$-projection; -decomposition; relations of arbitrary arity; reflexivity; symmetry; antisymmetry; cyclicity; projection; hulls of relations; hulls of projections

UR - http://eudml.org/doc/247803

ER -

## References

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