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Qiu, Ruifeng

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Author ID: qiu.ruifeng Recent zbMATH articles by "Qiu, Ruifeng"
Published as: Qiu, R.; Qiu, Rui Feng; Qiu, Ruifeng
Documents Indexed: 49 Publications since 1990

Publications by Year

Citations contained in zbMATH

30 Publications have been cited 185 times in 73 Documents Cited by Year
The amalgamation of high distance Heegaard splittings is always efficient. Zbl 1140.57012
Kobayashi, Tsuyoshi; Qiu, Ruifeng
29
2008
Separating incompressible surfaces and stabilizations of Heegaard splittings. Zbl 1062.57028
Kobayashi, Tsuyoshi; Qiu, Ruifeng; Rieck, Yo’av; Wang, Shicheng
23
2004
Unstabilized self-amalgamation of a Heegaard splitting. Zbl 1272.57010
Zou, Yanqing; Du, Kun; Guo, Qilong; Qiu, Ruifeng
17
2013
A proof of the Gordon conjecture. Zbl 1180.57025
Qiu, Ruifeng; Scharlemann, Martin
15
2009
The self-amalgamation of high distance Heegaard splittings is always efficient. Zbl 1189.57004
Du, Kun; Qiu, Ruifeng
13
2010
The Heegaard distances cover all nonnegative integers. Zbl 1322.57014
Qiu, Ruifeng; Zou, Yanqing; Guo, Qilong
11
2015
Heegaard genera of annular 3-manifolds. Zbl 1226.57030
Du, Kun; Ma, Jiming; Qiu, Ruifeng; Zhang, Mingxing
10
2011
Incompressible surfaces in handlebodies and closed 3-manifolds of Heegaard genus 2. Zbl 0965.57014
Qiu, Ruifeng
8
2000
The Heegaard genera of surface sums. Zbl 1190.57007
Qiu, Ruifeng; Wang, Shicheng; Zhang, Mingxing
7
2010
A note on the uniqueness of unstabilized Heegaard splittings of amalgamated 3-manifolds. Zbl 1337.57053
Du, Kun; Qiu, Ruifeng
6
2016
On the Heegaard genera of 3-manifolds containing non-separating surfaces. Zbl 1171.57019
Qiu, Ruifeng; Lei, Fengchun
6
2008
The \(\partial\)-stabilization of a Heegaard splitting with distance at least 6 is unstabilized. Zbl 1297.57034
Zou, Yanqing; Guo, Qilong; Qiu, Ruifeng
4
2014
A note on tunnel number of composite knots. Zbl 1228.57003
Gao, Xutao; Guo, Qilong; Qiu, Ruifeng
4
2011
Handle additions producing essential surfaces. Zbl 1155.57009
Qiu, Ruifeng; Wang, Shicheng
4
2007
The distance between two separating, reducing slopes is at most \(4\). Zbl 1128.57016
Zhang, Mingxing; Qiu, Ruifeng; Li, Yannan
4
2007
Boundary reducible handle additions on simple 3-manifolds. Zbl 1180.57024
Li, Yan Nan; Qiu, Rui Feng; Zhang, Ming Xing
3
2009
Small knots and large handle additions. Zbl 1138.57011
Qiu, Ruifeng; Wang, Shicheng
3
2005
Reducible Dehn surgery and annular Dehn surgery. Zbl 1015.57011
Qiu, Ruifeng
3
2000
Minimal Heegaard genus of amalgamated \(3\)-manifolds. Zbl 1378.57018
Du, Kun; Qiu, Ruifeng
2
2017
Infinitely many hyperbolic 3-manifolds admitting distance-\(d\) and genus-\(g\) Heegaard splittings. Zbl 1337.57047
Zhang, Faze; Qiu, Ruifeng; Zou, Yanqing
2
2016
A lower bound on unknotting number. Zbl 1101.57002
Ma, Jiming; Qiu, Ruifeng
2
2006
\(3\)-manifolds admitting locally large distance \(2\) Heegaard splittings. Zbl 07144422
Qiu, Ruifeng; Zou, Yanqing
1
2019
Non degenerating Dehn fillings on genus two Heegaard splittings of knots’ complements. Zbl 1396.57012
Ma, Jiming; Qiu, Ruifeng; Zou, Yanqing
1
2018
On the degeneration of tunnel numbers under a connected sum. Zbl 1337.57028
Li, Tao; Qiu, Ruifeng
1
2016
The subset of \(\mathbb R^3\) realizing metrics on the curve complex. Zbl 1321.57020
Zhang, Faze; Qiu, Ruifeng; Zou, Yanqing
1
2015
A quadratic bound on the number of boundary slopes of essential surfaces with bounded genus. Zbl 1205.57019
Li, Tao; Qiu, Ruifeng; Wang, Shicheng
1
2010
Reducible and \(\partial \)-reducible handle additions. Zbl 1169.57016
Qiu, Ruifeng; Zhang, Mingxing
1
2009
3-manifold containing separating incompressible surfaces of all positive genera. Zbl 1100.57015
Ma, Ji Ming; Qiu, Rui Feng
1
2005
Simple, small knots in handlebodies. Zbl 1055.57009
Qiu, Ruifeng; Wang, Shicheng
1
2004
Reducible Dehn surgery and toroidal Dehn surgery. Zbl 0893.57014
Qiu, Ruifeng
1
1997
\(3\)-manifolds admitting locally large distance \(2\) Heegaard splittings. Zbl 07144422
Qiu, Ruifeng; Zou, Yanqing
1
2019
Non degenerating Dehn fillings on genus two Heegaard splittings of knots’ complements. Zbl 1396.57012
Ma, Jiming; Qiu, Ruifeng; Zou, Yanqing
1
2018
Minimal Heegaard genus of amalgamated \(3\)-manifolds. Zbl 1378.57018
Du, Kun; Qiu, Ruifeng
2
2017
A note on the uniqueness of unstabilized Heegaard splittings of amalgamated 3-manifolds. Zbl 1337.57053
Du, Kun; Qiu, Ruifeng
6
2016
Infinitely many hyperbolic 3-manifolds admitting distance-\(d\) and genus-\(g\) Heegaard splittings. Zbl 1337.57047
Zhang, Faze; Qiu, Ruifeng; Zou, Yanqing
2
2016
On the degeneration of tunnel numbers under a connected sum. Zbl 1337.57028
Li, Tao; Qiu, Ruifeng
1
2016
The Heegaard distances cover all nonnegative integers. Zbl 1322.57014
Qiu, Ruifeng; Zou, Yanqing; Guo, Qilong
11
2015
The subset of \(\mathbb R^3\) realizing metrics on the curve complex. Zbl 1321.57020
Zhang, Faze; Qiu, Ruifeng; Zou, Yanqing
1
2015
The \(\partial\)-stabilization of a Heegaard splitting with distance at least 6 is unstabilized. Zbl 1297.57034
Zou, Yanqing; Guo, Qilong; Qiu, Ruifeng
4
2014
Unstabilized self-amalgamation of a Heegaard splitting. Zbl 1272.57010
Zou, Yanqing; Du, Kun; Guo, Qilong; Qiu, Ruifeng
17
2013
Heegaard genera of annular 3-manifolds. Zbl 1226.57030
Du, Kun; Ma, Jiming; Qiu, Ruifeng; Zhang, Mingxing
10
2011
A note on tunnel number of composite knots. Zbl 1228.57003
Gao, Xutao; Guo, Qilong; Qiu, Ruifeng
4
2011
The self-amalgamation of high distance Heegaard splittings is always efficient. Zbl 1189.57004
Du, Kun; Qiu, Ruifeng
13
2010
The Heegaard genera of surface sums. Zbl 1190.57007
Qiu, Ruifeng; Wang, Shicheng; Zhang, Mingxing
7
2010
A quadratic bound on the number of boundary slopes of essential surfaces with bounded genus. Zbl 1205.57019
Li, Tao; Qiu, Ruifeng; Wang, Shicheng
1
2010
A proof of the Gordon conjecture. Zbl 1180.57025
Qiu, Ruifeng; Scharlemann, Martin
15
2009
Boundary reducible handle additions on simple 3-manifolds. Zbl 1180.57024
Li, Yan Nan; Qiu, Rui Feng; Zhang, Ming Xing
3
2009
Reducible and \(\partial \)-reducible handle additions. Zbl 1169.57016
Qiu, Ruifeng; Zhang, Mingxing
1
2009
The amalgamation of high distance Heegaard splittings is always efficient. Zbl 1140.57012
Kobayashi, Tsuyoshi; Qiu, Ruifeng
29
2008
On the Heegaard genera of 3-manifolds containing non-separating surfaces. Zbl 1171.57019
Qiu, Ruifeng; Lei, Fengchun
6
2008
Handle additions producing essential surfaces. Zbl 1155.57009
Qiu, Ruifeng; Wang, Shicheng
4
2007
The distance between two separating, reducing slopes is at most \(4\). Zbl 1128.57016
Zhang, Mingxing; Qiu, Ruifeng; Li, Yannan
4
2007
A lower bound on unknotting number. Zbl 1101.57002
Ma, Jiming; Qiu, Ruifeng
2
2006
Small knots and large handle additions. Zbl 1138.57011
Qiu, Ruifeng; Wang, Shicheng
3
2005
3-manifold containing separating incompressible surfaces of all positive genera. Zbl 1100.57015
Ma, Ji Ming; Qiu, Rui Feng
1
2005
Separating incompressible surfaces and stabilizations of Heegaard splittings. Zbl 1062.57028
Kobayashi, Tsuyoshi; Qiu, Ruifeng; Rieck, Yo’av; Wang, Shicheng
23
2004
Simple, small knots in handlebodies. Zbl 1055.57009
Qiu, Ruifeng; Wang, Shicheng
1
2004
Incompressible surfaces in handlebodies and closed 3-manifolds of Heegaard genus 2. Zbl 0965.57014
Qiu, Ruifeng
8
2000
Reducible Dehn surgery and annular Dehn surgery. Zbl 1015.57011
Qiu, Ruifeng
3
2000
Reducible Dehn surgery and toroidal Dehn surgery. Zbl 0893.57014
Qiu, Ruifeng
1
1997

Citations by Year