Quick quiz #301.

Údair: Wetzel, Corryn (AUTHOR), Dearlove, Christopher (AUTHOR)

Foinse: New Scientist. 5/10/2025, Vol. 266 Issue 3542, p45-47. 2p.

Téarmaí ábhair: *HTTP (Computer network protocol), *ODD numbers, *CHEMICAL formulas, *BLACK holes, *COROLLA (Botany)

An Improvement of the Lower Bound on the Maximum Number of Halving Lines for Sets in the Plane with an Odd Number of Points.

Údair: Rodrigo, Javier¹ (AUTHOR) dmagistrali@comillas.edu, López, Mariló² (AUTHOR) marilo.lopez@upm.es, Magistrali, Danilo¹ (AUTHOR) ealonso@comillas.edu, Alonso, Estrella¹ (AUTHOR)

Foinse: Axioms (2075-1680). Jan2025, Vol. 14 Issue 1, p62. 12p.

Téarmaí ábhair: *ODD numbers, *DISCRETE geometry, *POINT set theory, *LOGICAL prediction

BrainTwister.

Údair: Scroggs, Matthew (AUTHOR), Dang, TD (AUTHOR), Rowlett, Peter (AUTHOR), Lloyd, Phil (AUTHOR)

Foinse: New Scientist. 12/14/2024, Vol. 264 Issue 3521/22, p77-78. 2p. 1 Color Photograph.

Téarmaí ábhair: *ODD numbers, *SET theory, *ATOMIC clocks, *RYEGRASSES, *MISO

Guided waves in layered media: Twin ZGV and ambiguity of dispersion spectrum.

Údair: Kuznetsov, S.V.¹ (AUTHOR) kuzn-sergey@yandex.ru

Foinse: Mechanics of Advanced Materials & Structures. 2024, Vol. 31 Issue 22, p5672-5677. 6p.

Téarmaí ábhair: *LAMB waves, *ODD numbers, *WAVEGUIDES, *GROUP velocity, *MATRIX exponential, *AMBIGUITY

The 'odd–even effect': The link between the number of parties and district magnitude.

Údair: LAGO, IGNACIO¹ (AUTHOR), I COMA, FERRAN MARTÍNEZ² (AUTHOR) f.martinezicoma@griffith.edu.au

Foinse: European Journal of Political Research. Nov2024, Vol. 63 Issue 4, p1471-1490. 20p.

Téarmaí ábhair: *ODD numbers, *ELECTION districts, *NUMBER systems, *ELECTIONS

Sequences with Nontrivial Sums: Algebra Meets Magic.

Údair: Behrends, Ehrhard¹ (AUTHOR) behrends@math.fu-berlin.de

Foinse: Mathematical Intelligencer. Sep2024, Vol. 46 Issue 3, p269-274. 6p.

Téarmaí ábhair: *MAGIC tricks, *ODD numbers, *LINEAR orderings, *CARD tricks, *PLAYING cards, *CIRCLE

Stress interference in multilayer additive friction stir deposition of AA6061 aluminum.

Údair: Yang, Teng^1,2 (AUTHOR), Jin, Yuqi¹ (AUTHOR), Wang, Tianhao³ (AUTHOR), Dowden, Shelden¹ (AUTHOR), Neogi, Arup¹ (AUTHOR), Dahotre, Narendra B.^1,2 (AUTHOR) narendra.dahotre@unt.edu

Foinse: International Journal of Advanced Manufacturing Technology. Jun2024, Vol. 132 Issue 11/12, p5385-5393. 9p.

Téarmaí ábhair: *ODD numbers, *RESIDUAL stresses, *MANUFACTURING processes, *ELASTICITY, *FRICTION

A fast and smooth one-electron approach for investigating charge transfer states and D1–D0 crossings for systems with odd numbers of electrons.

Údair: Qiu, Tian¹ (AUTHOR) tianq@sas.upenn.edu, Bian, Xuezhi¹ (AUTHOR), Tao, Zhen¹ (AUTHOR), Subotnik, Joseph E.¹ (AUTHOR) subotnik@sas.upenn.edu

Foinse: Journal of Chemical Physics. 6/7/2024, Vol. 160 Issue 21, p1-11. 11p.

Téarmaí ábhair: *ODD numbers, *NUMBER systems, *POTENTIAL energy surfaces, *ELECTRON configuration, *ELECTRONS, *VECTOR spaces

A dependable and resource-frugal ring oscillator physically unclonable function.

Údair: Hossain, Fakir Sharif¹ (AUTHOR) fshossain.eee@aust.edu, Hossain, Nasir¹ (AUTHOR), Tabassum, Sumaiya¹ (AUTHOR), Wazi, Tanvir Ahmed¹ (AUTHOR), Bhowmik, Shuvan¹ (AUTHOR)

Foinse: International Journal of Electronics. Feb2025, Vol. 112 Issue 2, p237-254. 18p.

Téarmaí ábhair: ODD numbers, PHYSICAL mobility, PATTERNS (Mathematics), FLIP-flops (Sandals), SILICON

A Review Study of Prime Period Perfect Gaussian Integer Sequences.

Údair: Chang, Ho-Hsuan¹ (AUTHOR) guansq@dgut.edu.cn, Guan, Shiqi¹ (AUTHOR), Zeng, Miaowang¹ (AUTHOR), Chen, Peiyao¹ (AUTHOR)

Foinse: Axioms (2075-1680). Mar2024, Vol. 13 Issue 3, p159. 23p.

Téarmaí ábhair: *GAUSSIAN integers, *ODD numbers, *NONLINEAR equations, *PERIODIC functions

Odd–Even Effects Leading to Alternating Polymerization and Macrocyclization in Nitroaldol Reaction Systems.

Údair: Qi, Yunchuan¹ (AUTHOR), Ayinla, Mubarak¹ (AUTHOR), Yang, Zhen¹ (AUTHOR), Ramström, Olof^1,2 (AUTHOR) olof_ramstrom@uml.edu

Foinse: Chemistry - A European Journal. 5/14/2025, Vol. 31 Issue 27, p1-5. 5p.

Téarmaí ábhair: *ODD numbers, *POLYMERS, *ATOMS, *CARBON

Adaptive Fixed‐Time Non‐Smooth Stabilization of Switched Systems With Output Constraints.

Údair: Huang, Jingxin¹ (AUTHOR), Cheng, Jiani¹ (AUTHOR), Lin, Xiangze¹ (AUTHOR) xzlin@njau.edu.cn, Park, Ju H.² (AUTHOR) jessie@ynu.ac.kr

Foinse: International Journal of Robust & Nonlinear Control. Apr2025, Vol. 35 Issue 6, p1993-2009. 17p.

Téarmaí ábhair: *STATE feedback (Feedback control systems), *ODD numbers, *LYAPUNOV functions, *PARAMETER estimation, *COMPUTER simulation

Tuning the Inter‐Layer Angle and Curvature of Double‐Layered Tiles Hinged by Layered Crossovers for Construction of DNA Lattices and Tubes.

Údair: Feng, Feiyang¹ (AUTHOR), Zhang, Ling¹ (AUTHOR), Xiao, Shou‐Jun¹ (AUTHOR) sjxiao@nju.edu.cn

Foinse: Small Methods. Apr2025, p1. 9p. 7 Illustrations.

Téarmaí ábhair: *GEOMETRIC shapes, *ODD numbers, *SINGLE crystals, *TILE design, *POLYHEDRA

The finite basis problem for ai-semirings obtained from a commutative flat semiring by adjoining a zero.

Údair: Zhao, Xianzhong¹ (AUTHOR), Wu, Yanan² (AUTHOR) yananwumath@126.com

Foinse: Communications in Algebra. Mar2025, p1-12. 12p.

Téarmaí ábhair: *ODD numbers, *VOCABULARY

THÉORIE DES NOMBRES DES PREUVES DATANT DU XIII^e SIÈCLE.

Údair: Toumi, Seif Eddin¹ (AUTHOR) toumi.seif@yahoo.fr, Nafti, Foued² (AUTHOR)

Foinse: Arabic Sciences & Philosophy. Mar2025, Vol. 35 Issue 1, p39-51. 13p.

Téarmaí ábhair: *EUCLID'S elements, *ODD numbers

Anteriorization of the inferior oblique muscle versus anteriorization and resection for asymmetrical dissociated vertical deviation.

Údair: Osama, Ghada¹ (AUTHOR) ghada.osama.eid@gmail.com, Elhilali, Hala¹ (AUTHOR), Salah, Magda¹ (AUTHOR), Fouad, Heba M.¹ (AUTHOR)

Foinse: Strabismus (09273972). Mar2025, Vol. 33 Issue 1, p28-35. 8p.

Téarmaí ábhair: *ODD numbers, *CLINICAL trials, *LARGE deviations (Mathematics)

Toward a Sharp Baer–Suzuki Theorem for the π-Radical: Unipotent Elements of Groups of Lie Type.

Údair: Liu, A-M.¹ (AUTHOR) amliu@hainanu.edu.cn, Wang, Zh.¹ (AUTHOR) wzhigang@hainanu.edu.cn, Revin, D. O.² (AUTHOR) revin@math.nsc.ru

Foinse: Algebra & Logic. Jan2024, Vol. 62 Issue 6, p476-500. 25p.

Téarmaí ábhair: *NONABELIAN groups, *ODD numbers, *PRIME numbers, *FINITE groups, *LOGICAL prediction

Classification and naming of polymethine dyes used as staining agents for microscopy. A short guide for biomedical investigators.

Údair: Mustroph, Heinz¹ (AUTHOR) heinz.mustroph@web.de, Horobin, Richard W.² (AUTHOR) richard.horobin@glasgow.ac.uk

Foinse: Biotechnic & Histochemistry. 2023, Vol. 98 Issue 8, p545-553. 9p.

Téarmaí ábhair: *CYANINES, *ODD numbers, *FLUORESCENT probes, *SCIENTIFIC literature, *BIOMATERIALS, *CLASSIFICATION

Tight bounds on odd chromatic number of some standard graph products.

Údair: Priyamvada¹ (AUTHOR) priyamvada@iiti.ac.in

Foinse: Discrete Applied Mathematics. Jul2025, Vol. 369, p1-13. 13p.

Téarmaí ábhair: *ODD numbers, *GRAPH coloring

Herr complex of (φ,τ)-modules.

Údair: Zhao, Luming¹ (AUTHOR) lumingzhao@math.pku.edu.cn

Foinse: Journal of Number Theory. Jun2025, Vol. 271, p66-98. 33p.

Téarmaí ábhair: *ODD numbers, *PRIME numbers, *VALUATION