Lorenz Halbeisen

26 papers Journal 26
YearRankTypeTitle / Venue / Authors
2026 J jnl
A unique Q-point and infinitely many near-coherence classes of ultrafilters.
Ann. Pure Appl. Log.
Lorenz Halbeisen, Silvan Horvath, Saharon Shelah
2024 J jnl
A Worked out Galois Group for the Classroom.
Am. Math. Mon.
Lorenz Halbeisen, Norbert Hungerbühler
2024 J jnl
Implications of Ramsey Choice principles in ZF $\mathsf {ZF}$.
Math. Log. Q.
Lorenz Halbeisen, Riccardo Plati, Saharon Shelah
2023 J jnl
Four cardinals and their relations in ZF.
Ann. Pure Appl. Log.
Lorenz Halbeisen, Riccardo Plati, Salome Schumacher, Saharon Shelah
2023 J jnl
Halfway new cardinal characteristics.
Ann. Pure Appl. Log.
Jörg Brendle, Lorenz Halbeisen, Lukas Daniel Klausner, Marc Lischka, Saharon Shelah
2023 J jnl
Some implications of Ramsey Choice for families of $\varvec{n}$-element sets.
Arch. Math. Log.
Lorenz Halbeisen, Salome Schumacher
2023 J jnl
The Hidden Twin of Morley's Five Circles Theorem.
Am. Math. Mon.
Lorenz Halbeisen, Norbert Hungerbühler, Vanessa Loureiro
2020 J jnl
On Ramsey choice and partial choice for infinite families of n-element sets.
Arch. Math. Log.
Lorenz Halbeisen, Eleftherios Tachtsis
2019 J jnl
Congruent Number Elliptic Curves Related to Integral Solutions of m2 = n2 + nl + n2.
J. Integer Seq.
Lorenz Halbeisen, Norbert Hungerbühler
2018 J jnl
A weird relation between two cardinals.
Arch. Math. Log.
Lorenz Halbeisen
2015 J jnl
A Simple Proof of Poncelet's Theorem (on the Occasion of Its Bicentennial).
Am. Math. Mon.
Lorenz Halbeisen, Norbert Hungerbühler
2004 J jnl
Fans and Bundles in the Graph of Pairwise Sums and Products.
Electron. J. Comb.
Lorenz Halbeisen
2003 J jnl
A generalization of the Dual Ellentuck Theorem.
Arch. Math. Log.
Lorenz Halbeisen, Pierre Matet
2003 J jnl
Can Kirkman's Schoolgirls Walk Abreast by Forming Arithmetic Progressions?
Am. Math. Mon.
Lorenz Halbeisen
2003 J jnl
Making doughnuts of Cohen reals.
Math. Log. Q.
Lorenz Halbeisen
2002 J jnl
A Result in Dual Ramsey Theory.
J. Comb. Theory A
Lorenz Halbeisen, Pierre Matet
2001 J jnl
Relations between some cardinals in the absence of the Axiom of Choice.
Bull. Symb. Log.
Lorenz Halbeisen, Saharon Shelah
2000 J jnl
On Periodic Billiard Trajectories in Obtuse Triangles.
SIAM Rev.
Lorenz Halbeisen, Norbert Hungerbühler
2000 J jnl
Reconstruction of Weighted Graphs by their Spectrum.
Eur. J. Comb.
Lorenz Halbeisen, Norbert Hungerbühler
1999 J jnl
Generation of isospectral graphs.
J. Graph Theory
Lorenz Halbeisen, Norbert Hungerbühler
1998 J jnl
On Shattering, Splitting and Reaping Partitions.
Math. Log. Q.
Lorenz Halbeisen
1998 J jnl
Packings in Complete Graphs.
Ars Comb.
Lorenz Halbeisen, Norbert Hungerbühler
1998 J jnl
Symmetries between two Ramsey properties.
Arch. Math. Log.
Lorenz Halbeisen
1996 J jnl
Mathias Absoluteness and the Ramsey Property.
J. Symb. Log.
Lorenz Halbeisen, Haim Judah
1995 J jnl
The general counterfeit coin problem.
Discret. Math.
Lorenz Halbeisen, Norbert Hungerbühler
1994 J jnl
Consequences of Arithmetic for Set Theory.
J. Symb. Log.
Lorenz Halbeisen, Saharon Shelah