Results 1 to 10 of about 617,016 (320)
On Kirchberg's Embedding Problem [PDF]
Journal of Functional Analysis, 2015 Kirchberg's Embedding Problem (KEP) asks whether every separable C$^*$ algebra embeds into an ultrapower of the Cuntz algebra $\mathcal{O}_2$. In this paper, we use model theory to show that this conjecture is equivalent to a local approximate nuclearity
Goldbring, Isaac, Sinclair, Thomas
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Statistical Skorohod embedding problem and its generalizations [PDF]
, 2014 Given a L\'evy process $L$, we consider the so-called statistical Skorohod embedding problem of recovering the distribution of an independent random time $T$ based on i.i.d.
Belomestny, Denis, Schoenmakers, John
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The embedding problem for markov models of nucleotide substitution. [PDF]
PLoS ONE, 2013 Continuous-time Markov processes are often used to model the complex natural phenomenon of sequence evolution. To make the process of sequence evolution tractable, simplifying assumptions are often made about the sequence properties and the underlying ...
Klara L Verbyla +4 more
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Relative Embedding Problems [PDF]
Transactions of the American Mathematical Society, 2000 We consider Galois embedding problems G ↠ H ≅ Gal ( X / Z ) G\twoheadrightarrow H\cong \operatorname {Gal}(X/Z) such that a Galois embedding problem G ↠ Gal ( Y / Z
Black, Elena V., Swallow, John R.
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Generalized Post Embedding Problems [PDF]
Theory of Computing Systems, 2014 The Regular Post Embedding Problem extended with partial (co)directness is shown decidable. This extends to universal and/or counting versions.
Karandikar, Prateek +1 more
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Embedding Problems and Finite Quotients [PDF]
Pacific Journal of Mathematics, 2002 We give a condition on a family of solutions of quotients of an embedding problem which implies the embedding problem has a solution. This shows, in particular, that to solve an embedding problem associated to the maximal extension of a number field ...
Chinburg, Ted, Glass, Darren B.
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A solution to the reversible embedding problem for finite Markov chains [PDF]
, 2016 The embedding problem for Markov chains is a famous problem in probability theory and only partial results are available up till now. In this paper, we propose a variant of the embedding problem called the reversible embedding problem which has a deep ...
Jia, Chen
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On monotone Markov chains and properties of monotone matrix roots
Special Matrices, 2022 Monotone matrices are stochastic matrices that satisfy the monotonicity conditions as introduced by Daley in 1968. Monotone Markov chains are useful in modeling phenomena in several areas.
Guerry Marie-Anne
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PME: pruning-based multi-size embedding for recommender systems
Frontiers in Big Data, 2023 Embedding is widely used in recommendation models to learn feature representations. However, the traditional embedding technique that assigns a fixed size to all categorical features may be suboptimal due to the following reasons.
Zirui Liu +5 more
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Embedded plateau problem [PDF]
Transactions of the American Mathematical Society, 2012 We show that if C is a simple closed curve bounding an embedded disk in a closed 3-manifold M, then there exists a disk D in M with boundary C such that D minimizes the area among the embedded disks with boundary C. Moreover, D is smooth, minimal and embedded everywhere except where the boundary C meets the interior of D.
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