* Kua, Shen
* Kuang-ch'i, Hsu

Kubo Ryogo

Kuczma, Marek

Kudekanye

Kuen’s surface

Kugel-Khomskii coupling

Kuhn, Richard

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Kuhn, Thomas

Kuhn-Tucker conditions

* Kuhi, Abu al-

Kuiper, Gerard Peter

Kulanite

Kulik, Leonid Alexyevich

Kulik, Yakov

Kullback-Leibler-type distance measures

Kullback-Leibler information

* Kumano-Go, Hitoshi

Kumaressa

Kummer, Ernst Eduard

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Kummer criterion

Kummer extension

Kummer hypothesis

Kummer sum

Kummer surface

Kummer theorem

Kummer transformation

Kummer's conjecture

Kuna

Kundt spacetime

Kungurian

Kunita–Watanabe inequality

Kunstweg

Kunugia

Kuo Shoujing
Kuperberg, Krystyna

Kupellonura

Kupetrechus

Kurama

Kuramoto–Sivashinsky equation

Kuranishi structure

Kuratowski convergence

Kuratowski embedding

Kuratowski's free set theorem

Kuratowski, Kazimierz

Kuratowski's free set theorem

Kuratowski graph

Kuratowski-Knaster fan

Kuratowski polyhedron

Kuratowski set

Kurchatov Igor Vasilyevich

Kurchatov Medal

Kurepa, Dura

Kurepa tree

Kurioidea

Kurokawa, Shin-ichi

Kurokopteryx

Kurosh, Aleksandr

Kurosh monster

Kurosh problem

Kurosh subgroup theorem

Kürschák, József

Kushyar, ibn Labban

Kusch Polykarp

Kuschelengis

Kuscheloides

Kustaanheimo-Stiefel transformation

Küstner, Karl Friedrich

Kutta, Martin

Kutta-Merson method

Kuttner, Brian