Ruifeng Qiu

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All published works

Action	Title	Year	Authors
+ PDF Chat	A lower bound of the crossing number of composite knots	2024	Ruifeng Qiu Chao Wang
+	Some results on Heegaard splitting	2022	Ruifeng Qiu Yanqing Zou
+	Finiteness of mapping class groups: locally large strongly irreducible Heegaard splittings	2020	Yanqing Zou Ruifeng Qiu
+	$3$-manifolds admitting locally large distance $2$ Heegaard splittings	2019	Ruifeng Qiu Yanqing Zou
+	Non degenerating Dehn fillings on genus two Heegaard splittings of knots′ complements	2017	Jiming Ma Ruifeng Qiu Yanqing Zou
+	Minimal Heegaard genus of amalgamated 3-manifolds	2017	Kun Du Ruifeng Qiu
+	A note on the uniqueness of unstabilized Heegaard splittings of amalgamated 3-manifolds	2016	Kun Du Ruifeng Qiu
+	Infinitely many hyperbolic 3-manifolds admitting distance-d and genus-g Heegaard splittings	2015	Faze Zhang Ruifeng Qiu Yanqing Zou
+	A locally large distance two Heegaard splitting implies an almost hyperbolic 3-manifold	2015	Ruifeng Qiu Yanqing Zou
+	The subset of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msup><mml:mrow><mml:mi>R</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msup></mml:math> realizing metrics on the curve complex	2015	Faze Zhang Ruifeng Qiu Yanqing Zou
+ PDF Chat	On the degeneration of tunnel numbers under a connected sum	2015	Tao Li Ruifeng Qiu
+ PDF Chat	The Heegaard distances cover all nonnegative integers	2015	Ruifeng Qiu Yanqing Zou Qilong Guo
+	3-manifolding admitting locally large distance 2 Heegaard splittings	2015	Ruifeng Qiu Yanqing Zou
+	A note on Heegaard genus of self-amalgamated 3-manifold	2014	Qilong Guo Ruifeng Qiu Yanqing Zou
+	The ∂-stabilization of a Heegaard splitting with distance at least 6 is unstabilized	2014	Yanqing Zou Qilong Guo Ruifeng Qiu
+	Angle structures and hyperbolic $3$-manifolds with totally geodesic boundary	2014	Faze Zhang Ruifeng Qiu Tian Yang
+	Heegaard distances cover all non-negative integers II	2013	Ruifeng Qiu Yanqing Zou Qilong Guo
+	On the degeneration of tunnel numbers under connected sum	2013	Tao Li Ruifeng Qiu
+	Annulus and Disk Complex Is Contractible and Quasi-convex	2013	Qilong Guo Ruifeng Qiu Yanqing Zou Faze Zhang
+	Unstabilized self-amalgamation of a Heegaard splitting	2012	Yanqing Zou Kun Du Qilong Guo Ruifeng Qiu
+	Erratum to “A note on tunnel number of composite knots” [Topology Appl. 158 (16) (2011) 2240–2243]	2011	Xutao Gao Qilong Guo Ruifeng Qiu
+	A note on tunnel number of composite knots	2011	Xutao Gao Qilong Guo Ruifeng Qiu
+	HEEGAARD GENERA OF ANNULAR 3-MANIFOLDS	2011	Kun Du Jiming Ma Ruifeng Qiu Mingxing Zhang
+	The Heegaard genera of surface sums	2010	Ruifeng Qiu Shicheng Wang Mingxing Zhang
+	The self-amalgamation of high distance Heegaard splittings is always efficient	2010	Kun Du Ruifeng Qiu
+ PDF Chat	A quadratic bound on the number of boundary slopes of essential surfaces with bounded genus	2009	Tao Li Ruifeng Qiu Shicheng Wang
+ PDF Chat	A proof of the Gordon Conjecture	2009	Ruifeng Qiu Martin Scharlemann
+	Degenerating slopes with respect to Heegaard distance	2009	Jiming Ma Ruifeng Qiu
+	A quadratic bound on the number of boundary slopes of essential surfaces with bounded genus	2009	Tao Li Ruifeng Qiu Shicheng Wang
+ PDF Chat	Reducible and $\partial $-reducible handle additions	2008	Ruifeng Qiu Mingxing Zhang
+	On the Heegaard Genera of 3-manifolds Containing Non-separating Surfaces	2008	Ruifeng Qiu Fengchun Lei
+	The amalgamation of high distance Heegaard splittings is always efficient	2008	Tsuyoshi Kobayashi Ruifeng Qiu
+	Additivity of Heegaard genera of bounded surface sums	2008	Ruifeng Qiu Shicheng Wang Mingxing Zhang
+	Bicompressible Surfaces in 3-Manifolds and Thin Position	2008	Ruifeng Qiu
+	A proof of the Gordon Conjecture	2008	Ruifeng Qiu Martin Scharlemann
+	The distance between two separating, reducing slopes is at most 4	2007	Mingxing Zhang Ruifeng Qiu Yannan Li
+ PDF Chat	Handle additions producing essential surfaces	2007	Ruifeng Qiu Shicheng Wang
+	Boundary reducible handle additions on simple 3-manifolds	2007	Yannan Li Ruifeng Qiu Mingxing Zhang
+	A Lower Bound on Unknotting Number*	2006	Jiming Ma Ruifeng Qiu
+	Handle additions producing essential surfaces	2006	Ruifeng Qiu Shicheng Wang
+ PDF Chat	Small knots and large handle additions	2005	Ruifeng Qiu Shicheng Wang
+	Separating incompressible surfaces and stabilizations of Heegaard splittings	2004	Tsuyoshi Kobayashi Ruifeng Qiu Yo’av Rieck Shicheng Wang
+	Simple, small knots in handlebodies	2004	Ruifeng Qiu Shicheng Wang
+	Heegaard Splittings of Boundary Reducible 3-Manifolds	2004	Jiming Ma Ruifeng Qiu
+	Stabilizations of Reducible Heegaard Splittings	2004	Ruifeng Qiu
+	Small knots and large handle additions	2004	Ruifeng Qiu Shicheng Wang
+	Incompressible surfaces of arbitrarily high genus in 3-manifolds (Low-Dimensional Topology of Tomorrow)	2002	Ruifeng Qiu Shicheng Wang
+	Incompressible surfaces in handlebodies and closed 3-manifolds of Heegaard genus 2	2000	Ruifeng Qiu
+ PDF Chat	Reducible Dehn surgery and annular Dehn surgery	2000	Ruifeng Qiu
+	∂-reducible Dehn surgery and annular Dehn surgery	1999	Ruifeng Qiu Ying Zhang

Common Coauthors

Coauthor	Papers Together
Yanqing Zou	14
Qilong Guo	8
Shicheng Wang	6
Jiming Ma	5
Shicheng Wang	5
Mingxing Zhang	5
Kun Du	5
Tao Li	3
Xutao Gao	2
Martin Scharlemann	2
Yannan Li	2
Faze Zhang	2
Faze Zhang	2
Tsuyoshi Kobayashi	2
Mingxing Zhang	1
Tao Li	1
Yo’av Rieck	1
Ying Zhang	1
Fengchun Lei	1
Tian Yang	1
Chao Wang	1

Commonly Cited References

Action	Title	Year	Authors	# of times referenced
+ PDF Chat	3-Manifolds as viewed from the curve complex	2001	John Hempel	19
+ PDF Chat	Proximity in the curve complex: boundary reduction and bicompressible surfaces	2006	Martin Scharlemann	15
+	Reducing heegaard splittings	1987	Andrew Casson C. McA. Gordon	14
+ PDF Chat	Alternate Heegaard genus bounds distance	2006	Martin Scharlemann Maggy Tomova	14
+ PDF Chat	Heegaard splittings of Haken manifolds have bounded distance	2002	Kevin Hartshorn	13
+	Separating incompressible surfaces and stabilizations of Heegaard splittings	2004	Tsuyoshi Kobayashi Ruifeng Qiu Yo’av Rieck Shicheng Wang	10
+ PDF Chat	Additivity of tunnel number for small knots	2000	Jennifer Schultens	10
+ PDF Chat	The Heegaard Genus of Amalgamated 3-Manifolds	2004	Marc Lackenby	10
+	The amalgamation of high distance Heegaard splittings is always efficient	2008	Tsuyoshi Kobayashi Ruifeng Qiu	9
+ PDF Chat	Heegaard surfaces and the distance of amalgamation	2010	Tao Li	9
+	Dehn Surgery on Knots	1987	Marc Culler C. McA. Gordon John Luecke Peter B. Shalen	8
+	On the super additivity of tunnel number of knots	2000	Kanji Morimoto	8
+ PDF Chat	Geometry of the complex of curves I: Hyperbolicity	1999	Howard Masur Yair N. Minsky	8
+ PDF Chat	Hyperbolic manifolds and degenerating handle additions	1993	Martin Scharlemann Ying-Qing Wu	8
+	The Classification of Heegaard Splittings for (Compact Orient Able Surface) × <i>S<sup>1</sup> </i>	1993	Jennifer Schultens	7
+ PDF Chat	Geometry of the complex of curves II: Hierarchical structure	2000	Howard Masur Yair N. Minsky	7
+ PDF Chat	High distance knots	2007	Yair N. Minsky Yoav Moriah Saul Schleimer	7
+ PDF Chat	Sweepouts of amalgamated 3–manifolds	2006	David Bachman Saul Schleimer Eric Sedgwick	7
+	Thin position for 3-manifolds	1994	Martin Scharlemann Abigail Thompson	6
+ PDF Chat	Destabilizing amalgamated Heegaard splittings	2007	Jennifer Schultens Richard Weidmann	6
+	Heegaard splittings of (surface) x I are standard	1993	Martin Scharlemann Abigail Thompson	6
+ PDF Chat	On the boundary curves of incompressible surfaces	1982	Allen Hatcher	5
+	Boundary Structure of The Modular Group	1981	W. J. Harvey	5
+	The geometry of the disk complex	2012	Howard Masur Saul Schleimer	5
+	A CONSTRUCTION OF ARBITRARILY HIGH DEGENERATION OF TUNNEL NUMBERS OF KNOTS UNDER CONNECTED SUM	1994	Tsuyoshi Kobayashi	5
+ PDF Chat	Three dimensional manifolds, Kleinian groups and hyperbolic geometry	1982	William P. Thurston	5
+ PDF Chat	There are knots whose tunnel numbers go down under connected sum	1995	Kanji Morimoto	5
+	A note on Heegaard splittings of amalgamated 3-manifolds	2011	Kun Du Xutao Gao	4
+ PDF Chat	A proof of the Gordon Conjecture	2009	Ruifeng Qiu Martin Scharlemann	4
+	HEEGAARD GENERA OF ANNULAR 3-MANIFOLDS	2011	Kun Du Jiming Ma Ruifeng Qiu Mingxing Zhang	4
+ PDF Chat	Heegaard surfaces and measured laminations, I: The Waldhausen conjecture	2006	Tao Li	4
+ PDF Chat	Bounds on exceptional Dehn filling II	2010	Ian Agol	4
+ PDF Chat	Heegaard Genus of the Connected Sum of M-small Knots	2006	Tsuyoshi Kobayashi Yo’av Rieck	4
+	Local detection of strongly irreducible Heegaard splittings	1998	Martin Scharlemann	4
+ PDF Chat	Saddle tangencies and the distance of Heegaard splittings	2007	Tao Li	4
+ PDF Chat	On amalgamations of Heegaard splittings with high distance	2008	Guoqiu Yang Fengchun Lei	4
+ PDF Chat	Annuli in generalized Heegaard splittings and degeneration of tunnel number	2000	Martin Scharlemann Jennifer Schultens	4
+ PDF Chat	Attaching handlebodies to 3–manifolds	2002	Marc Lackenby	4
+	The reducibility of surgered 3-manifolds	1992	Ying-Qing Wu	4
+ PDF Chat	Handle additions producing essential surfaces	2007	Ruifeng Qiu Shicheng Wang	4
+	Reducible manifolds and Dehn surgery	1996	C. McA. Gordon John Luecke	4
+	The self-amalgamation of high distance Heegaard splittings is always efficient	2010	Kun Du Ruifeng Qiu	4
+	Incompressible surfaces in handlebodies and closed 3-manifolds of Heegaard genus 2	2000	Ruifeng Qiu	4
+ PDF Chat	Heegaard splittings of knot exteriors	2007	Yoav Moriah	4
+ PDF Chat	Connected sums of unstabilized Heegaard splittings are unstabilized	2008	David Bachman	4
+ PDF Chat	Every two-generator knot is prime	1982	F. H. Norwood	3
+	Incompressibility of surfaces in surgered 3-manifolds	1992	Ying-Qing Wu	3
+ PDF Chat	On the Heegaard splittings of amalgamated 3–manifolds	2007	Tao Li	3
+ PDF Chat	Lectures on Three-Manifold Topology	1980	William Jaco	3
+	Unstabilized self-amalgamation of a Heegaard splitting	2012	Yanqing Zou Kun Du Qilong Guo Ruifeng Qiu	3