In mathematics, the HNN extension is an important construction of combinatorial group theory. Introduced in a 1949 paper Embedding Theorems for Groups...

HNN may refer to: HLN (TV channel), an American television news channel HNN extension, in combinatorial group theory Hanunó'o language, spoken in the...

mechanics. Lie algebra extension Virasoro algebra HNN extension Group contraction Extension of a topological group group+extension#Definition at the nLab...

Scholarship, Wrong Conclusions". HNN Special: A Symposium on Jonah Goldberg's Liberal Fascism. George Mason University (HNN). Archived from the original on...

applications of the operations of free product with amalgamation and HNN extension, via the notion of the fundamental group of a graph of groups. Bass–Serre...

generalized for describing subgroups of amalgamated free products and HNN extensions. Other generalizations include considering subgroups of free pro-finite...

constructed from finite groups using amalgamated free products and HNN extensions. Using the action of the modular group on a certain tessellation of...

one-ended groups via a finite number of amalgamated free products and HNN extensions over finite subgroups. In view of the Stallings theorem about ends of...

for a knot K, then the fundamental group of S3 − N(K) splits as an HNN extension over π1(S), which is a free group. The two maps from π1(S) into π1(S3...

polynomial time. The Baumslag–Gersten group G can also be realized as an HNN extension of the Baumslag–Solitar group B S ( 1 , 2 ) = ⟨ a , b ∣ a b = a 2 ⟩...

Storms, Jade (2013). "FBI unveils new building in Kapolei". Hawai'i News Now (HNN). Retrieved August 7, 2018. "FBI Field Offices: Honolulu". FBI website. Retrieved...

Scholarship, Wrong Conclusions". HNN Special: A Symposium on Jonah Goldberg's Liberal Fascism. George Mason University (HNN). Archived from the original on...

Win FiveThirtyEight SurveyMonkey/Axios Mason-Dixon MRG Research/Civil Beat/HNN MRG Research "Daily Kos Elections' presidential results by congressional...

finger: measure (ḫꜣj), take (ṯꜣj), press (dqr) 𓂸 D52 U+130B8 phallus phallus (ḥnn) man-like, man (ṯꜣy) donkey (ꜥꜣ) bull (kꜣ) presence (bꜣḥ) mt Excluded from...

Schreier's method, Nielsen's method, free presentations, subgroups and HNN extensions, Golod–Shafarevich theorem, etc. Sims, Charles C. (1994). Computation...

presidents since 1900. In an April 2013 survey by History News Network (HNN) website in Seattle—four years and three months into the Obama presidency—203...

prize named in his honour. The group-theoretic notion of HNN (Higman-Neumann-Neumann) extension bears the names of Bernard and his wife Hanna, from their...

49.00000°N 98.9377194°W / 49.00000; -98.9377194 Snowflake PR 242 Hannah HNN CR 13 (91st Ave. NE) 49°0′0.72″N 98°41′39.48″W / 49.0002000°N 98.6943000°W...

normal form theorems for a free product with amalgamation and for an HNN extension (Bass 1993). Let Γ be the fundamental group corresponding to the spanning...

Higman's embedding theorem Feit-Higman theorem Higman group Higman's lemma HNN extension Hall–Higman theorem Conder, Marston D. E. (2022). "Graham Higman. 19...

of July 2015: Containership CMA CGM BALZAC in PSA HNN terminal. Containership CMA CGM BIZET in PSA HNN terminal. The Elly Mærsk, here at Zeebrugge port...

celebrating women's achievements in mathematics. Hanna Neumann conjecture HNN extension February 12#Births Fowler, Kenneth F. "Neumann, Hanna (1914–1971)"....

Network, also known as HNN, is a daily five-minute television program produced live weekday mornings by Mt. Hope High School students. HNN is currently run...

of Hawaii. March 8, 2010. Retrieved April 28, 2011. Buros, Annalisa and HNN staff. "Kapiolani Medical Center nurses locked out after one-day strike ends...

Retrieved 1 September 2019. "Film Review: Showdown in Little Tokyo (1991)". HNN | Horrornews.net. 23 November 2018. Retrieved 1 September 2019. "Showdown...

Retrieved 11 November 2017. "The Horrifying American Roots of Nazi Eugenics". hnn.us. September 2003. Retrieved 11 November 2017. Vizcarrondo, Felipe E. (August...

October 2004). "Medieval blasphemy laws set for repeal". The Guardian. "IHS :: HNN :: Goodbye to Blasphemy in Britain". Archived from the original on 2008-06-07...

Section 5 of Chapter IV of Lyndon and Schupp for the Moldavansky's HNN-extension version of that approach. Let G be a one-relator group given by presentation...

Hottest Restaurants in Hawaii". zagat.com. Zagat. Retrieved March 22, 2017. HNN Staff (December 19, 2016). "President Obama golfs, dines at high-end Vintage...

Geometry: Likelihood and Computation Eds OE Barndorff-Nielsen, WS Kendall, HNN van Lieshout (London: Chapman and Hall), pages 1–35, 1999. D.J. Daley; David...