Qidi Peng

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20122025

most citedA General Class of Multifractional Processes and Stock Price Informativeness

10 citations · 16 across the 21 of their papers we have counts for

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Showing 2016 · math.FAShow all

2 papers · 2 filters

math.FA2016

Subspace Condition for Bernstein's Lethargy Theorem

Asuman GÜven Aksoy, Monairah Al-Ansari, Caleb Case +1

In this paper, we consider a condition on subspaces in order to improve bounds given in the Bernstein's Lethargy Theorem (BLT) for Banach spaces. Let $d_1 \geq d_2 \geq \dots d_n \…

math.FA2016★ 1 cited

Constructing an Element of a Banach Space with Given Deviation from its Nested Subspaces

Asuman G. Aksoy, Qidi Peng

This paper contains two improvements on a theorem of S. N. Bernstein for Banach spaces. We show that if $X$ is an arbitrary infinite-dimensional Banach space, ${Y_{n}}$ is a sequen…