Results 11 to 20 of about 1,756 (38)

The combinatorics of reasonable ultrafilters [PDF]

open access: yes, 2005
We are interested in generalizing part of the theory of ultrafilters on omega to larger cardinals. Here we set the scene for further investigations introducing properties of ultrafilters in strong sense dual to being ...
Shelah, Saharon
core  

More on Compactness of Chromatic Numbers [PDF]

open access: yes, 2013
We prove that for any regular kappa and mu > kappa below the first fix point (lambda = aleph_lambda) above kappa, there is a graph with chromatic number > kappa, and mu^kappa nodes but every subgraph of cardinality < mu has chromatic number less than or ...
Shelah, Saharon
core  

Logical Dreams

open access: yes, 2002
We discuss the past and future of set theory, axiom systems and independence results.
A. Blass   +10 more
core   +1 more source

On Horowitz and Shelah's Borel maximal eventually different family

open access: yes, 2017
We show there is a closed (in fact effectively closed, i.e., $\Pi^0_1$) eventually different family (working in ZF or less).Comment: 7 pages.
Schrittesser, David
core  

On what I do not understand (and have something to say): Part I

open access: yes, 1999
This is a non-standard paper, containing some problems in set theory I have in various degrees been interested in. Sometimes with a discussion on what I have to say; sometimes, of what makes them interesting to me, sometimes the problems are presented ...
Shelah, Saharon
core   +1 more source

Cichoń's diagram and localisation cardinals. [PDF]

open access: yesArch Math Log, 2021
Goldstern M, Klausner LD.
europepmc   +1 more source

The modal logic of arithmetic potentialism and the universal algorithm

open access: yes, 2018
I investigate the modal commitments of various conceptions of the philosophy of arithmetic potentialism. Specifically, I consider the natural potentialist systems arising from the models of arithmetic under their natural extension concepts, such as end ...
Hamkins, Joel David
core  

Sparse Bayesian multidimensional scaling(s). [PDF]

open access: yesComput Stat
Sheth A, Smith A, Holbrook AJ.
europepmc   +1 more source
Some of the next articles are maybe not open access.

Logic-in-memory based on an atomically thin semiconductor

Nature, 2020
Guilherme Migliato Marega   +2 more
exaly  

Gallium nitride-based complementary logic integrated circuits

Nature Electronics, 2021
Zheyang Zheng, Li Zhang, Han Xu
exaly  

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