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Related papers: A comment on "p<t"

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We argue that we solved Hilbert's first problem positively (after reformulating it just to avoid the known consistency results) and give some applications. Let lambda to the revised power of kappa, denoted lambda^{[kappa]}, be the minimal…

Logic · Mathematics 2016-09-07 Saharon Shelah

We consider inverse problems for $p$-Laplace type equations under monotonicity assumptions. In two dimensions, we show that any two conductivities satisfying $\sigma_1 \geq \sigma_2$ and having the same nonlinear Dirichlet-to-Neumann map…

Analysis of PDEs · Mathematics 2016-03-15 Chang-Yu Guo , Manas Kar , Mikko Salo

If A is infinite and well-ordered, then |2^A|<=|Part(A)|<=|A^A|.

General Mathematics · Mathematics 2022-08-16 Kerry M. Soileau

We give a reformulation of the Lehmer conjecture about algebraic integers in terms of a simple counting problem modulo p.

Number Theory · Mathematics 2019-05-21 Emmanuel Breuillard , Péter P. Varjú

Let F be a totally real field and p a rational prime unramified in F. We prove a partial classicality theorem for overconvergent Hilbert modular forms: when the slope is small compared to certain but not all weights, an overconvergent form…

Number Theory · Mathematics 2022-05-31 Chi-Yun Hsu

We show that for every positive p, the L_p-norm of linear combinations (with scalar or vector coefficients) of products of i.i.d. random variables, whose moduli have a nondegenerate distribution with the p-norm one, is comparable to the…

Probability · Mathematics 2016-04-05 Ewa Damek , Rafał Latała , Piotr Nayar , Tomasz Tkocz

Suppose t = (T,T_1, p) is a triple of two theories T subset T_1 in vocabularies tau subset tau_1 (respectively) of cardinality lambda and a tau_1-type p over the empty set; in the main case here is with T stable. We show the Hanf number for…

Logic · Mathematics 2019-02-07 Saharon Shelah

We isolate here a wide class of well founded orders called tame orders and show that each such order of cardinality at most $\kappa$ can be realized as the Mitchell order on a measurable cardinal $\kappa$, from a consistency assumption…

Logic · Mathematics 2015-08-18 Omer Ben-Neria

In the absence of the Axiom of Choice, the "small" cardinal $\omega_1$ can exhibit properties more usually associated with large cardinals, such as strong compactness and supercompactness. For a local version of strong compactness, we say…

Logic · Mathematics 2016-09-20 Nam Trang , Trevor Wilson

We consider the cardinal sequences of compact scattered spaces in models where CH is false. We describe a number of models where the continuum is aleph_2 in which no such space can have aleph_2 countable levels.

General Topology · Mathematics 2007-05-23 Kenneth Kunen

Matrix properties are a type of property of categories which includes the ones of being Mal'tsev, arithmetical, majority, unital, strongly unital and subtractive. Recently, an algorithm has been developed to determine implications…

Category Theory · Mathematics 2024-04-23 Michael Hoefnagel , Pierre-Alain Jacqmin

We prove from suitable large cardinal hypotheses that the least weakly compact cardinal can be unfoldable, weakly measurable and even nearly $\theta$-supercompact, for any desired $\theta$. In addition, we prove several global results…

Logic · Mathematics 2013-05-28 Brent Cody , Moti Gitik , Joel David Hamkins , Jason Schanker

Using the consistency of some large cardinals we produce a model of Set Theory in which the generalized continuum hypothesis holds and for some torsion-free abelian group G of cardinality aleph_{omega +1} and for some torsion group T,…

Logic · Mathematics 2009-09-25 Menachem Magidor , Saharon Shelah

In this article, we study multivariate generalizations of the Matsaev's conjecture in commutative and non-commutative $L^p$-spaces.We prove that the multivariate analogue of Matsaev's conjecture is eventually false for all $1<p<\infty.$ We…

Functional Analysis · Mathematics 2020-12-14 Samya Kumar Ray

We investigate the mod $p$ Buchstaber invariant of the skeleta of simplices, for a prime number $p$, and compare them for different values of $p$. For $p=2$, the invariant is the real Buchstaber invariant. Our findings reveal that these…

Algebraic Topology · Mathematics 2023-12-07 Djordje Baralic , Ales Vavpetic , Alwksandar Vucic

W.H. Woodin showed that if $\kappa_1 < \cdots < \kappa_n$ are strong cardinals then two-step ${\bf\Sigma}^1_{n+3}$ generic absoluteness holds after collapsing $2^{2^{\kappa_n}}$ to be countable. We show that this number can be reduced to…

Logic · Mathematics 2018-07-09 Trevor M. Wilson

It is shown that if a Markov map $T$ on a noncommutative probability space $\mathcal{M}$ has a spectral gap on $L_2(\mathcal{M})$, then it also has one on $L_p(\mathcal{M})$ for $1<p<\infty$. For fixed $p$, the converse also holds if $T$ is…

Probability · Mathematics 2017-02-17 José Manuel Conde-Alonso , Javier Parcet , Éric Ricard

Let chi be the minimum cardinal of a subset of 2^omega that cannot be made convergent by multiplication with a single Toeplitz matrix. By an application of creature forcing we show that s<chi is consistent. We thus answer a question by…

Logic · Mathematics 2007-05-23 Heike Mildenberger , Saharon Shelah

We show that the reduction mod p of an orthogonal linear representation is orthogonal, and we generalize this fact to representations of algebras with involution.The proofs make an essential use of the notion of " middle lattices ".

Group Theory · Mathematics 2018-08-09 Jean-Pierre Serre

We prove that it is relatively consistent with ZF + CH that there exist two models of cardinality \aleph_2 such that the second player has a winning strategy in the Ehrenfeucht-Fra\"iss\'e-game of length \omega_1 but there is no…

Logic · Mathematics 2013-08-02 Saharon Shelah , Jouko Väänänen , Boban Velickovic
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