-
Sijthoff & Noordhoff, pp. 273–310, MR 0605348 Roth, L. (1955),
Algebraic threefolds, with
special regard to
problems of rationality,
Ergebnisse der Mathematik...
-
algebraic geometry, a
cubic threefold is a
hypersurface of
degree 3 in 4-dimensional
projective space.
Cubic threefolds are all unirational, but Clemens...
- priest,
prophet and king are the
threefolds. The
Heidelberg Catechism interprets the
title "Christ" in
terms of the
threefold office, in Lord's Day 12, Question...
- The
Buddha identified the
threefold training (Sanskrit: triśikṣā; Pali: tisikkhā; or
simply śikṣā or sikkhā) as
training in:
higher virtue (Pali adhisīla-sikkhā...
- space.
Iskovskih &
Manin (1971)
showed that all non-singular
quartic threefolds are irrational,
though some of them are unirational.
Burkhardt quartic...
-
Social threefolding is a
social theory which originated in the
early 20th
century from the work of
Rudolf Steiner. Of
central importance is a distinction...
- In chess, the
threefold repetition rule
states that a
player may
claim a draw if the same
position occurs three times during the game. The rule is also...
-
projective space P 4 {\displaystyle \mathbb {P} ^{4}} . Non-singular
quintic threefolds are Calabi–Yau manifolds. The
Hodge diamond of a non-singular quintic...
- The
threefold death,
which is
suffered by kings, heroes, and gods, is a
reconstructed Proto-Indo-European
theme encountered in Indic, Gr****, Celtic, and...
- In
algebraic geometry, the Koras–Russell
cubic threefolds are
smooth affine complex threefolds diffeomorphic to C 3 {\displaystyle \mathbf {C} ^{3}} studied...
