Lorenz Halbeisen - researchr alias

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Viewing Publication 1 - 23 from 23

2023

Halfway new cardinal characteristicsJörg Brendle, Lorenz Halbeisen, Lukas Daniel Klausner, Marc Lischka, Saharon Shelah. APAL, 174(9):103303, October 2023. [doi]

The Hidden Twin of Morley's Five Circles TheoremLorenz Halbeisen, Norbert Hungerbühler, Vanessa Loureiro. tamm, 130(10):879-891, November 2023. [doi]

Some implications of Ramsey Choice for families of $\varvec{n}$-element setsLorenz Halbeisen, Salome Schumacher. AML, 62(5-6):703-733, July 2023. [doi]

Four cardinals and their relations in ZFLorenz Halbeisen, Riccardo Plati, Salome Schumacher, Saharon Shelah. APAL, 174(2):103200, 2023. [doi]

2020

On Ramsey choice and partial choice for infinite families of n-element setsLorenz Halbeisen, Eleftherios Tachtsis. AML, 59(5):583-606, 2020. [doi]

2019

Congruent Number Elliptic Curves Related to Integral Solutions of m2 = n2 + nl + n2Lorenz Halbeisen, Norbert Hungerbühler. jintseq, 22(3), 2019. [doi]

2018

A weird relation between two cardinalsLorenz Halbeisen. AML, 57(5-6):593-599, 2018. [doi]

2015

A Simple Proof of Poncelet's Theorem (on the Occasion of Its Bicentennial)Lorenz Halbeisen, Norbert Hungerbühler. tamm, 122(6):537-551, 2015. [doi]

2004

Fans and Bundles in the Graph of Pairwise Sums and ProductsLorenz Halbeisen. combinatorics, 11(1), 2004. [doi]

2003

Can Kirkman's Schoolgirls Walk Abreast by Forming Arithmetic Progressions?Lorenz Halbeisen. tamm, 110(3):228-231, 2003. [doi]

Making doughnuts of Cohen realsLorenz Halbeisen. mlq, 49(2):173-178, 2003. [doi]

A generalization of the Dual Ellentuck TheoremLorenz Halbeisen, Pierre Matet. AML, 42(2):103-128, 2003. [doi]

2002

A Result in Dual Ramsey TheoryLorenz Halbeisen, Pierre Matet. JCT, 100(2):394-398, 2002. [doi]

2001

Relations between some cardinals in the absence of the Axiom of ChoiceLorenz Halbeisen, Saharon Shelah. bsl, 7(2):237-261, 2001. [doi]

2000

On Periodic Billiard Trajectories in Obtuse TrianglesLorenz Halbeisen, Norbert Hungerbühler. siamrev, 42(4):657-670, 2000. [doi]

Reconstruction of Weighted Graphs by their SpectrumLorenz Halbeisen, Norbert Hungerbühler. ejc, 21(5):641-650, 2000. [doi]

1999

Generation of isospectral graphsLorenz Halbeisen, Norbert Hungerbühler. jgt, 31(3):255-265, 1999. [doi]

1998

Symmetries between two Ramsey propertiesLorenz Halbeisen. AML, 37(4):241-260, 1998. [doi]

Packings in Complete GraphsLorenz Halbeisen, Norbert Hungerbühler. arscom, 48, 1998.

On Shattering, Splitting and Reaping PartitionsLorenz Halbeisen. mlq, 44:123-134, 1998.

1996

Mathias Absoluteness and the Ramsey PropertyLorenz Halbeisen, Haim Judah. JSYML, 61(1):177-194, 1996.

1995

The general counterfeit coin problemLorenz Halbeisen, Norbert Hungerbühler. DM, 147(1-3):139-150, 1995. [doi]

1994

Consequences of Arithmetic for Set TheoryLorenz Halbeisen, Saharon Shelah. JSYML, 59(1):30-40, 1994.

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