Results 111 to 120 of about 5,889 (226)

From Codes to Contexts: The Maturation of Historical Cryptology

open access: yesHistory Compass, Volume 24, Issue 4, August 2026.
ABSTRACT Over the past decades, the study of historical cryptology in Europe has evolved from a marginal, largely individual pursuit into a consolidated field of research with dedicated conferences, collaborative projects, and institutional research groups.
Benedek Láng
wiley   +1 more source

Pell denklemleri [PDF]

open access: yes, 2012
06.03.2018 tarihli ve 30352 sayılı Resmi Gazetede yayımlanan “Yükseköğretim Kanunu İle Bazı Kanun Ve Kanun Hükmünde Kararnamelerde Değişiklik Yapılması Hakkında Kanun” ile 18.06.2018 tarihli “Lisansüstü Tezlerin Elektronik Ortamda Toplanması ...
Güney, Merve
core  

Hybrid convolutions on Pell and Lucas polynomials [PDF]

open access: yesDiscrete Mathematics Letters, 2021
Dongwei Guo, Wenchang Chu
doaj   +1 more source

College Financial Aid Application Frictions

open access: yesInternational Economic Review, Volume 67, Issue 3, Page 1015-1041, August 2026.
ABSTRACT We document that 11 percent of recent U.S. high school graduates did not apply for federal student aid due to difficulty in applying, mistaken beliefs, or lack of awareness. Not applying due to such application frictions negatively predicts college enrollment after controlling for other attributes.
Emily G. Moschini   +1 more
wiley   +1 more source

Interpreting the Intensity of Vocal Emotions Across Cultures

open access: yesScandinavian Journal of Psychology, Volume 67, Issue 4, Page 983-1003, August 2026.
ABSTRACT Intensity is a fundamental dimension of emotions that affects their perception. However, theoretical and empirical studies on intensity, particularly in the vocal domain, remain limited. Furthermore, research on the effects of emotional dimensions (e.g., arousal, valence, and basicness) on intensity ratings remains sparse.
Yachan Liang   +2 more
wiley   +1 more source

Some Congruence Properties of Pell\u27s Equation [PDF]

open access: yes, 2009
In this thesis I will outline the impact of Pell\u27s equation on various branches of number theory, as well as some of the history.
Priddis, Nathan C.
core  

On the Norms of Toeplitz Matrices with the Pell, Pell-Lucas and Modified Pell Numbers

open access: yesJournal of Engineering Technology and Applied Sciences, 2016
This paper deals with the usual Pell, Pell-Lucas and Modified Pell numbers and Toeplitz matrices. First, the Toeplitz matrices whose entries are the usual Pell, Pell-Lucas and Modified Pell numbers are constructed, and then the Frobenius, row and column norms of such matrices are computed.
openaire   +3 more sources

Pell–Padovan-circulant sequences and their applications [PDF]

open access: yes, 2017
This paper develops properties of recurrence sequences defined from circulant matrices obtained from the characteristic polynomial of the Pell-Padovan sequence. The study of these sequences modulo m yields cyclic groups and semigroups from the generating
Shannon, AG, Deveci, Ö
core  

Sums Involving Fibonacci and Pell Numbers [PDF]

open access: yes, 1999
SUMS INVOLVING FIBONACCI AND PELL ...
Melham, R
core  

Tiling Proofs of Recent Sum Identities Involving Pell Numbers [PDF]

open access: yes, 2008
In a recent note, Santana and Diaz-Barrero proved a number of sum identities involving the well-known Pell numbers. Their proofs relied heavily on the Binet formula for Pell numbers.
Plott, Sean S.   +5 more
core   +3 more sources

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