Results 21 to 30 of about 1,751 (259)

FINITE NILSEMIGROUPS WITH MODULAR CONGRUENCE LATTICES

open access: yesUral Mathematical Journal, 2017
This paper continues the joint work [2] of the author with P. Jones. We describe all finitely generated nilsemigroups with modular congruence lattices: there are 91 countable series of such semigroups.
Alexander L. Popovich
doaj   +1 more source

Amply essential supplemented lattices

open access: yesMiskolc Mathematical Notes
In this work, amply essential supplemented (briefly, amply e-supplemented) lattices are defined and some properties of these lattices are investigated. All lattices are complete modular lattices with the greatest element 10Lb∕0b∈LLLbaLb⊴Lb∕0x∕0xLLLa∧bb ...
Figen Eryılmaz   +2 more
doaj   +1 more source

Design and Testing of Bistable Lattices with Tensegrity Architecture and Nanoscale Features Fabricated by Multiphoton Lithography

open access: yesNanomaterials, 2020
A bistable response is an innate feature of tensegrity metamaterials, which is a conundrum to attain in other metamaterials, since it ushers unconventional static and dynamical mechanical behaviors.
Zacharias Vangelatos   +3 more
doaj   +1 more source

Improved Attacks Against Lattice-Based KEMs Using Hints From Hertzbleed

open access: yesTransactions on Cryptographic Hardware and Embedded Systems
The Number Theoretic Transform (NTT) is widely employed to accelerate computations in lattice-based cryptography. At CHES 2024, Yu et al. introduced a class of side-channel attacks targeting NTT operations in the simplified Kyber and NTTRU schemes ...
Zhiwei Li   +6 more
doaj   +1 more source

On Generalization of Modular Lattices

open access: yesBulletin of the Section of Logic
We introduce the concepts of dually balanced lattices and \(M\)-lattices and provide some basic properties of these classes of lattices. Both classes can be viewed as generalizations of the well-known class of modular lattices.
Agnieszka Stocka
doaj   +1 more source

The Lattices of Group Fuzzy Congruences and Normal Fuzzy Subsemigroups on E-Inversive Semigroups

open access: yesThe Scientific World Journal, 2014
The aim of this paper is to investigate the lattices of group fuzzy congruences and normal fuzzy subsemigroups on E-inversive semigroups. We prove that group fuzzy congruences and normal fuzzy subsemigroups determined each other in E-inversive semigroups.
Shoufeng Wang
doaj   +1 more source

A generalization of essential supplemented lattices

open access: yesMiskolc Mathematical Notes
In this work, all lattices are complete modular lattices with the smallest element 01LLLLL1∕r(L)1La1,a2,…,an∈L1=a1∨a2∨⋯∨anai∕0i=1,2,…,nLLa∈L1∕aLLLβ ...
Hasan Hüseyin Ökten   +2 more
doaj   +1 more source

Modal Logic of Lattices

open access: yesBulletin of the Section of Logic
We prove that the modal logic of lattices with the accessibility relation of being isomorphic to a sublattice is S4.2. The same is proven for modular and distributive lattices.
Maciej A. Hałapacz
doaj   +1 more source

NETWORK CODING WITH MODULAR LATTICES [PDF]

open access: yesJournal of Algebra and Its Applications, 2011
Kötter and Kschischang presented in 2008 a new model for error correcting codes in network coding. The alphabet in this model is the subspace lattice of a given vector space, a code is a subset of this lattice and the used metric on this alphabet is the map d : (U, V) ↦ dim (U+V)- dim (U∩V).
Andreas Kendziorra, Stefan E. Schmidt
openaire   +2 more sources

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur   +5 more
wiley   +1 more source

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