Ian T. Roberts

25 papers Journal 25
YearRankTypeTitle / Venue / Authors
2025 J jnl
Sizes of Flat Maximal Antichains of Subsets.
Order
Jerrold R. Griggs, Thomas Kalinowski, Uwe Leck, Ian T. Roberts, Michael Schmitz
2023 J jnl
Sizes of flat maximal antichains of subsets.
CoRR
Jerrold R. Griggs, Thomas Kalinowski, Uwe Leck, Ian T. Roberts, Michael Schmitz
2023 J jnl
The Saturation Spectrum for Antichains of Subsets.
Order
Jerrold R. Griggs, Thomas Kalinowski, Uwe Leck, Ian T. Roberts, Michael Schmitz
2021 J jnl
Maximal antichains of subsets I: The shadow spectrum.
CoRR
Jerrold R. Griggs, Thomas Kalinowski, Uwe Leck, Ian T. Roberts, Michael Schmitz
2021 J jnl
Minimum Weight Flat Antichains of Subsets.
Order
Jerrold R. Griggs, Sven Hartmann, Thomas Kalinowski, Uwe Leck, Ian T. Roberts
2017 J jnl
Full and maximal squashed flat antichains of minimum weight.
CoRR
Jerrold R. Griggs, Sven Hartmann, Thomas Kalinowski, Uwe Leck, Ian T. Roberts
2016 J jnl
Minimizing the regularity of maximal regular antichains of 2- and 3-sets.
Australas. J Comb.
Thomas Kalinowski, Uwe Leck, Christian Reiher, Ian T. Roberts
2014 J jnl
Antichains and completely separating systems - A catalogue and applications.
Discret. Appl. Math.
Martin Grüttmüller, Ian T. Roberts, Leanne J. Rylands
2014 J jnl
Inequalities for cross-unions of collections of finite sets.
Eur. J. Comb.
Uwe Leck, Ian T. Roberts
2013 J jnl
Completely separating systems of k-sets for (
Australas. J Comb.
Ian T. Roberts, Sue D'Arcy, Hans-Dietrich O. F. Gronau
2013 J jnl
Maximal Antichains of Minimum Size.
Electron. J. Comb.
Thomas Kalinowski, Uwe Leck, Ian T. Roberts
2013 J jnl
On the existence of regular antichains.
Discret. Math.
Ian T. Roberts, Matthias Böhm
2012 J jnl
Minimizing the weight of the union-closure of families of two-sets.
Australas. J Comb.
Uwe Leck, Ian T. Roberts, Jamie Simpson
2011 J jnl
Minimizing the weight of the union-closure of uniform families of sets.
Electron. Notes Discret. Math.
Uwe Leck, Ian T. Roberts
2010 J jnl
A note on the union-closed sets conjecture.
Australas. J Comb.
Ian T. Roberts, Jamie Simpson
2010 J jnl
On the number of minimal completely separating systems and antichains in a Boolean lattice.
Australas. J Comb.
Ian T. Roberts, Leanne J. Rylands, Terry Montag, Martin Grüttmüller
2009 J jnl
Covering separating systems and an application to search theory.
Australas. J Comb.
Oudone Phanalasy, Ian T. Roberts, Leanne J. Rylands
2009 J jnl
Maximal Flat Antichains of Minimum Weight.
Electron. J. Comb.
Martin Grüttmüller, Sven Hartmann, Thomas Kalinowski, Uwe Leck, Ian T. Roberts
2006 J jnl
The minimum number of blocks in pairwise balanced designs with maximum block size 4: the final cases.
Australas. J Comb.
Martin Grüttmüller, Ian T. Roberts, Sue D'Arcy, Judith Egan
2005 J jnl
Completely separating systems of k-sets for 7 ≤ k ≤ 10.
Australas. J Comb.
Ian T. Roberts
2005 J jnl
Minimal (n) and (n, h, k) Completely Separating Systems.
Australas. J Comb.
Ian T. Roberts, Leanne J. Rylands
1998 J jnl
Completely separating systems of k-sets.
Discret. Math.
Colin Ramsay, Ian T. Roberts, Frank Ruskey
1998 J jnl
Regular Perfect Systems of Sets of Iterated Differences.
Eur. J. Comb.
G. M. Hamilton, Ian T. Roberts, Douglas G. Rogers
1996 J jnl
Minimal completely separating systems of sets.
Australas. J Comb.
Colin Ramsay, Ian T. Roberts
1996 J jnl
Uniform perfect systems of sets of iterated differences of size 4
Discret. Math.
G. M. Hamilton, Colin Ramsay, Ian T. Roberts, Douglas G. Rogers