In homotopy theory, a branch of algebraic topology, a Postnikov system (or Postnikov tower) is a way of decomposing a topological space by filtering its...

Nima; Bourjaily, Jacob L.; Cachazo, Freddy; Goncharov, Alexander B.; Postnikov, Alexander; Trnka, Jaroslav (2012). "Scattering Amplitudes and the Positive...

Nelipovich 2022, p. 464. Nelipovich 2022, p. 466. Postnikov 2020, pp. 93–104. Postnikov 2020, p. 88. Postnikov 2020, p. 89. Reichsarchiv: Der Weltkrieg 1914–1918...

giving a negative hyperbolic angle as a negative sector area. Mikhail Postnikov's 1979 textbook Lectures in Geometry appeals to certain geometric transformations...

1109/TAC.2018.2849597. ISSN 0018-9286. S2CID 59553748. Lur'e, A. I.; Postnikov, V. N. (1944). "К теории устойчивости регулируемых систем" [On the Theory...

an algorithm to compute the homotopy groups of spaces that are finite Postnikov complexes, although it is not widely considered implementable. Computation...

if p : E → B is not a fibration. It is crucial to the construction of Postnikov systems. In geometric topology, obstruction theory is concerned with when...

submitted for the SPIW competition. Other rifles to use this system were the Postnikov APT and Clarke carbine as described in U.S. patent 2,401,616. A similar...

1), Journal of Mathematical Physics 30(5): 1000–1006 MR0992568 Mikhail Postnikov (1982) Lectures in Geometry Semester I Analytic Geometry pages 45 and...

(2nd Ed.), Reading: Addison Wesley Longman, ISBN 0-321-01618-1 Mikhail Postnikov (1982) Lectures in Geometry Semester I Analytic Geometry via Internet...

Nima; Bourjaily, Jacob L.; Cachazo, Freddy; Goncharov, Alexander B.; Postnikov, Alexander; Trnka, Jaroslav (2012). "Scattering Amplitudes and the Positive...

Alaska: University of Alaska Press. pp. 158–159. ISBN 9781889963044. Postnikov Nordlander, p. 8 Hope, Herb (2000). "The Kiks.ádi Survival March of 1804"...

homotopy theoretic classification of 3-manifolds can be found. Note from the Postnikov tower there is a canonical map q : M → B π {\displaystyle q:M\to B\pi...

Philaret (Drozdov) (March 11, 1812 — March 13, 1819) Bishop Gregory (Postnikov) (May 2, 1819 — January 4, 1826) Archimandrite John (Dobrozrakov) (January...

Vinogradov as Krash, 1st Robber, Radio DJ and 2nd TV announcer Vladimir Postnikov as Chiko Svetlana Pismichenko as Rosa Vadim Bochanov as Wally Mikhail...

was presumably created in the atelier of the Soviet sculptor Grigory Postnikov (Григорий Николаевич Постников, 1914–1978). Other sources name Nikolai...

will encapsulate the Postnikov tower of the space up to the homotopy group π n {\displaystyle \pi _{n}} , or the entire Postnikov tower for n = ∞ {\displaystyle...

coefficient theorem Dold–Thom theorem See also: Characteristic class, Postnikov tower, Whitehead torsion There are several specific theories simple homotopy...

_{4}\left(S^{3}\right)=\mathbb {Z} /2,} which can be computed using the Postnikov system, we have the long exact sequence ⋯ → π 4 ( S O ( 3 ) ) → π 4 (...

the Serre spectral sequence, Freudenthal suspension theorem, and the Postnikov tower). The map comes from the fiber bundle S 1 ↪ S 2 n − 1 ↠ C P n −...

Enaklych, steward, second judge of the Vladimir Order (1686). Osip Ivanovich Postnikov Kulush, landowner of Toropets, governor in Dankov in 1620–21. Timothy...

Nima; Bourjaily, Jacob L.; Cachazo, Freddy; Goncharov, Alexander B.; Postnikov, Alexander; Trnka, Jaroslav (2012-12-21). "Scattering Amplitudes and the...

Square in Tver was renamed Tereshkova Square in 1963. In 1967, Gregory Postnikov [ru] created a sculpture of Tereshkova for Cosmonaut Alley in Moscow....

Number Theory. Berlin, New York: Springer-Verlag. ISBN 978-0-387-94225-4. Postnikov, M. M. (2004). Foundations of Galois Theory. Dover Publications. ISBN 0-486-43518-0...

the journey into the far-away world of his novel turned into a beautiful memory. Vladimir Postnikov as Fyodor Dostoevsky. Oksana Karmishina as Anna Snitkina...

submitted for the SPIW competition. Other rifles to use this system were the Postnikov APT and Clarke carbine as described in U.S. patent 2,401,616. A similar...

Brasil. Math., 4: 91–148, MR 0116332 Lima, Elon Lages (1960), "Stable Postnikov invariants and their duals", Summa Brasil. Math., 4: 193–251 Vogt, Rainer...

- department widowed Kirill (Pospelov) (April 1 - July 1944) Mikhail (Postnikov) (July 1944 - January 27, 1947) Kirill (Pospelov) (January 27, 1947 -...

the way he was accompanied by a serf artist of Count Sheremetev Matvey Postnikov. From this time the second Italian period of Kiprensky's work began. Arriving...

6, 653–668, (2010). J.I. Extremiana, L.J. Hernández and M.T. Rivas. Postnikov factorizations at infinity, Topol. Appl., 153, 370–393, (2005). J.I. Extremiana...