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1

Ordered Sets || Restructuring Lattice Theory: An Approach Based on Hierarchies of Concepts

Year:

1982

Language:

english

File:

PDF, 3.36 MB

english, 1982

2

Path length in the covering graph of a lattice

Dwight Duffus, Ivan Rival

Journal:

Discrete Mathematics

Year:

1977

Language:

english

File:

PDF, 2.07 MB

english, 1977

3

Dimension two, fixed points and dismantlable ordered sets

Tatiana Fofanova, Ivan Rival, Aleksander Rutkowski

Journal:

Year:

1996

Language:

english

File:

PDF, 482 KB

english, 1996

4

Fixed-edge theorem for graphs with loops

Richard Nowakowski, Ivan Rival

Journal:

Journal of Graph Theory

Year:

1979

Language:

english

File:

PDF, 521 KB

english, 1979

5

A structure theory for ordered sets

Dwight Duffus, Ivan Rival

Journal:

Discrete Mathematics

Year:

1981

Language:

english

File:

PDF, 6.19 MB

english, 1981

6

The smallest graph variety containing all paths

Richard Nowakowski, Ivan Rival

Journal:

Discrete Mathematics

Year:

1983

Language:

english

File:

PDF, 1.11 MB

english, 1983

7

Retract rigid cartesian products of graphs

Richard Nowakowski, Ivan Rival

Journal:

Discrete Mathematics

Year:

1988

Language:

english

File:

PDF, 1.68 MB

english, 1988

8

Unsolved problems

Journal:

Year:

1985

Language:

english

File:

PDF, 213 KB

english, 1985

9

Unsolved problems

Journal:

Year:

1985

Language:

english

File:

PDF, 228 KB

english, 1985

10

Order, genus, and diagram invariance

Kevin Ewacha, Weixuan Li, Ivan Rival

Journal:

Year:

1991

Language:

english

File:

PDF, 366 KB

english, 1991

11

Antichain cutsets

Ivan Rival, Nejib Zaguia

Journal:

Year:

1985

Language:

english

File:

PDF, 523 KB

english, 1985

12

Constructing greedy linear extensions by interchanging chains

Ivan Rival, Nejib Zaguia

Journal:

Year:

1986

Language:

english

File:

PDF, 656 KB

english, 1986

13

Order, order, order ...

Journal:

Year:

1984

Language:

english

File:

PDF, 78 KB

english, 1984

14

Unsolved problems

Journal:

Year:

1984

Language:

english

File:

PDF, 191 KB

english, 1984

15

Representing orders on the plane by translating convex figures

Ivan Rival, Jorge Urrutia

Journal:

Year:

1988

Language:

english

File:

PDF, 1.14 MB

english, 1988

16

The endomorphism spectrum of an ordered set

Ken Grant, R. J. Nowakowski, Ivan Rival

Journal:

Year:

1995

Language:

english

File:

PDF, 613 KB

english, 1995

17

Every triangle-free planar graph has a planar upward drawing

Andrzej Kisielewicz, Ivan Rival

Journal:

Year:

1993

Language:

english

File:

PDF, 990 KB

english, 1993

18

Lattices contained in planar orders are planar

Richard Nowakowski, Ivan Rival, Jorge Urrutia

Journal:

Algebra Universalis

Year:

1992

Language:

english

File:

PDF, 421 KB

english, 1992

19

Diagrams, orientations, and varieties

Hans-Jürgen Bandelt, Ivan Rival

Journal:

Year:

1989

Language:

english

File:

PDF, 645 KB

english, 1989

20

Chains, antichains, and fibres

Zbigniew Lonc, Ivan Rival

Journal:

Journal of Combinatorial Theory, Series A

Year:

1987

Language:

english

File:

PDF, 1.15 MB

english, 1987

21

The Complexity of Upward Drawings on Spheres

S. Mehdi Hashemi, Ivan Rival, Andrzej Kisielewicz

Journal:

Year:

1997

Language:

english

File:

PDF, 522 KB

english, 1997

22

Exponents of lattice-ordered algebras

Brian A. Davey, Ivan Rival

Journal:

Algebra Universalis

Year:

1982

Language:

english

File:

PDF, 591 KB

english, 1982

23

Ordered Sets || An Introduction to the Theory of Continuous Lattices

Year:

1982

Language:

english

File:

PDF, 3.74 MB

english, 1982

24

Ordered Sets || Order Types of Real Numbers and Other Uncountable Orderings

Year:

1982

Language:

english

File:

PDF, 5.16 MB

english, 1982

25

Ordered Sets || Machine Scheduling with Precedence Constraints

Year:

1982

Language:

english

File:

PDF, 3.00 MB

english, 1982

26

Ordered Sets || Dimension Theory for Ordered Sets

Year:

1982

Language:

english

File:

PDF, 4.91 MB

english, 1982

27

Orders with Level Diagrams

Pelc, Andrzej, Rival, Ivan

Journal:

European Journal of Combinatorics

Year:

1991

Language:

english

File:

PDF, 412 KB

english, 1991

28

Small Representations of Finite Distributive Lattices as Congruence Lattice

George Grätzer, Ivan Rival and Nejib Zaguia

Journal:

Proceedings of the American Mathematical Society

Year:

1995

Language:

english

File:

PDF, 141 KB

english, 1995

29

Permutation Schedules for Flow Shops with Precedence Constraints

Kevin Ewacha, Ivan Rival and George Steiner

Journal:

Operations Research

Year:

1990

Language:

english

File:

PDF, 311 KB

english, 1990

30

Absolute retracts and varieties of reflexive graphs

Hell, Pavol, Rival, Ivan

Journal:

Canadian Journal of Mathematics

Year:

1987

Language:

english

File:

PDF, 1.64 MB

english, 1987

31

Planar Sublattices of a Free Lattice. II

Rival, Ivan, Sands, Bill

Journal:

Canadian Journal of Mathematics

Year:

1979

Language:

english

File:

PDF, 1.11 MB

english, 1979

32

A note on fixed points in semimodular lattices

Anders Björner, Ivan Rival

Journal:

Discrete Mathematics

Year:

1980

Language:

english

File:

PDF, 574 KB

english, 1980

33

The smallest order variety containing all chains

Ivan Rival, Rudolf Wille

Journal:

Discrete Mathematics

Year:

1981

Language:

english

File:

PDF, 1001 KB

english, 1981

34

Greedy linear extensions with constraints

Ivan Rival, Nejib Zaguia

Journal:

Discrete Mathematics

Year:

1987

Language:

english

File:

PDF, 762 KB

english, 1987

35

Is there a diagram invariant?

Maurice Pouzet, Ivan Rival

Journal:

Discrete Mathematics

Year:

1989

Language:

english

File:

PDF, 888 KB

english, 1989

36

Drawing orders with few slopes

Jurek Czyzowicz, Andrzej Pelc, Ivan Rival

Journal:

Discrete Mathematics

Year:

1990

Language:

english

File:

PDF, 1.05 MB

english, 1990

37

Enumerating orientations of ordered sets

Wei-Ping Liu, Ivan Rival

Journal:

Discrete Mathematics

Year:

1991

Language:

english

File:

PDF, 488 KB

english, 1991

38

Inversions, cuts, and orientations

Wei Ping Liu, Ivan Rival

Journal:

Discrete Mathematics

Year:

1991

Language:

english

File:

PDF, 675 KB

english, 1991

39

Representing orders by moving figures in space

Ivan Rival, Jorge Urrutia

Journal:

Discrete Mathematics

Year:

1992

Language:

english

File:

PDF, 729 KB

english, 1992

40

Light sources, obstructions and spherical orders

Stephan Foldes, Ivan Rival, Jorge Urrutia

Journal:

Discrete Mathematics

Year:

1992

Language:

english

File:

PDF, 639 KB

english, 1992

41

Perpendicular orders

Ivan Rival, Nejib Zaguia

Journal:

Discrete Mathematics

Year:

1995

Language:

english

File:

PDF, 482 KB

english, 1995

42

Automorphisms, isotone self-maps and cycle-free orders

Wei-Ping Liu, Ivan Rival, Nejib Zaguia

Journal:

Discrete Mathematics

Year:

1995

Language:

english

File:

PDF, 318 KB

english, 1995

43

A fixed point theorem for finite partially ordered sets

Journal:

Journal of Combinatorial Theory, Series A

Year:

1976

Language:

english

File:

PDF, 650 KB

english, 1976

44

Separable subsets of a finite lattice

Dwight Duffus, Ivan Rival

Journal:

Journal of Combinatorial Theory, Series A

Year:

1978

Language:

english

File:

PDF, 287 KB

english, 1978

45

Representing orders on the plane by translating points and lines

Richard Nowakowski, Ivan Rival, Jorge Urrutia

Journal:

Discrete Applied Mathematics

Year:

1990

Language:

english

File:

PDF, 596 KB

english, 1990

46

Approximating the number of linear extensions

Kevin Ewacha, Ivan Rival, Nejib Zaguia

Journal:

Theoretical Computer Science

Year:

1997

Language:

english

File:

PDF, 737 KB

english, 1997

47

Editorial

Ivan Rival, Nejib Zaguia

Journal:

Theoretical Computer Science

Year:

1999

Language:

english

File:

PDF, 37 KB

english, 1999

48

Subdiagrams equal in number to their duals

Klaus Reuter, Ivan Rival

Journal:

Algebra Universalis

Year:

1986

Language:

english

File:

PDF, 397 KB

english, 1986

49

Every countable lattice is a retract of a direct product of chains

Maurice Pouzet, Ivan Rival

Journal:

Algebra Universalis

Year:

1984

Language:

english

File:

PDF, 601 KB

english, 1984

50

Holes in ordered sets

Peter Nevermann, Ivan Rival

Journal:

Graphs and Combinatorics

Year:

1985

Language:

english

File:

PDF, 602 KB

english, 1985

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