Study confirms contact cosmetic surgery for most knots, with exceptions.
problem Determining contact cosmetic surgeries for Legendrian knots.
method Analyzing Legendrian knots, including unknots, and using contact surgery theory.
result Some Legendrian unknots have unique contact surgeries without a cosmetic pair.
Study of cosmetic contact surgeries on knots, excluding some cases.
problem Determining cosmetic contact surgeries on transverse knots.
method Analyzing contact surgeries and their outcomes on transverse knots.
result Exclude non-trivial cosmetic contact surgeries for certain transverse knots.
Study extends contact cosmetic surgeries to non-trivial Legendrian knots in L-spaces.
problem Contact cosmetic surgeries for Legendrian knots in L-spaces.
method Adapting techniques from S3 to L-spaces, incorporating Heegaard Floer theory constraints.
result Contact cosmetic surgery conjecture holds for non-trivial Legendrian knots, except for Lagrangian slice knots.
Study finds chirally cosmetic surgeries on knots and manifolds, contradicting previous conjectures.
problem Disprove conjectures about chirally cosmetic surgeries and purely cosmetic surgeries.
method Construct infinite families of chirally cosmetic surgeries and purely cosmetic surgeries on specific geometric objects.
result Found chirally cosmetic surgeries and purely cosmetic surgeries that contradict previous conjectures.
Two knot families meet cosmetic surgery conjecture.
problem Cosmetic surgery conjecture in knot theory.
method Analyzing Kinoshita-Terasaka and Conway knot families.
result All nontrivial members of both knot families satisfy the conjecture.
Cosmetic surgeries on pretzel knots are unique.
problem Understanding unique three-manifolds from surgeries on knots.
method Analyzing pretzel knots through Dehn surgeries.
result All pretzel knots satisfy the cosmetic surgery conjecture.
Paper restricts chirally cosmetic surgeries on knots.
problem Chirally cosmetic surgeries on knots.
method Examined exceptional or half-integral chirally cosmetic surgeries.
result Obtained several restrictions on chirally cosmetic surgeries.
This paper concerns the truly or purely cosmetic surgery conjecture. We give a survey on exceptional surgeries and cosmetic surgeries. We prove that the slope of an exceptional truly cosmetic surgery on a hyperbolic knot in S3 must be ±1 and the surgery must be toroidal but not Seifert fibred. As consequence we…
New findings on cosmetic surgeries for satellite knots.
problem Cosmetic surgeries on knots and their properties.
method Analyzing satellite knots and their hyperbolic structures.
result Existence of hyperbolic satellite knots with cosmetic surgeries.
New Heegaard Floer homology findings block chirally cosmetic surgeries.
problem Chirally cosmetic surgeries on knots and manifolds.
method Heegaard Floer homology, immersed curve formulations, and surgery formula.
result New obstructions to chirally cosmetic surgeries identified.
Study chirally cosmetic surgeries on knots with constraints and invariants.
problem Understanding chirally cosmetic surgeries on knots.
method Use original and SL(2,C) Casson invariants. result Complete classification of chirally cosmetic surgeries on genus one alternating knots.
The cosmetic surgery conjecture is a longstanding conjecture in 3-manifold theory. We present a theorem about exceptional cosmetic surgery for homology spheres. Along the way we prove that if the surgery is not a small seifert Z/2Z-homology sphere or a toroidal irreducible non-Seifert surgery then t…
3-braid knots can't have purely cosmetic surgeries.
problem Cosmetic surgeries on 3-braid knots.
method Using recent work on knot closures, proved no purely cosmetic surgeries exist.
result 3-braid knots do not admit purely cosmetic surgeries.
Study cosmetic surgeries on knots in homology spheres using Casson-Walker invariant.
problem Cosmetic surgeries on knots in homology spheres and their constraints.
method Rational surgery formula of the Casson-Walker invariant for 2-component links.
result Constraints on knots and surgery slopes for cosmetic surgeries.
The LMO invariant helps find constraints for cosmetic surgeries on knots.
problem Finding constraints for cosmetic surgeries on knots.
method Using the LMO invariant to analyze surgeries on knots.
result Constraints for knots to admit cosmetic surgeries and Lens space surgeries.
Study shows most odd pretzel knots don't allow chirally cosmetic surgeries.
problem Characterizing chirally cosmetic surgeries on specific knot types.
method Recent methods of Ichihara, Ito, and Saito applied to genus 2 and 3 alternating odd pretzel knots.
result Most genus 2 and 3 alternating odd pretzel knots do not admit chirally cosmetic surgeries.
Cable knots can't have homeomorphic surgeries.
problem Cosmetic surgeries on non-trivial knots.
method Analyzing cable knots specifically.
result Cable knots do not admit purely cosmetic surgeries.
The study proves large alternating Montesinos knots cannot have purely cosmetic surgeries.
problem Proving non-existence of purely cosmetic surgeries for certain types of knots.
method Analyzing specific knot types with reduced diagrams and twist numbers, and using properties of Dehn surgeries.
result Large alternating Montesinos knots do not admit purely cosmetic surgeries.
Study proves nontrivial knots can't undergo cosmetic surgeries.
problem Cosmetic surgeries on nontrivial knots.
method Calculated finite type invariant of order 3.
result Nontrivial knots do not admit chirally cosmetic surgeries.
The study shows a limit on cosmetic surgeries for certain knots.
problem Cosmetic surgeries on knots and their finiteness.
method Estimating knot Floer thickness using Turaev genus and dealternation number.
result A knot K in S3 does not admit purely cosmetic surgery if its genus is sufficiently large. Study shows knots in Poincaré sphere can't be 'cosmetically' altered.
problem Cosmetic surgeries on knots in the Poincaré homology sphere.
method Proof that essential knots cannot undergo purely cosmetic surgeries.
result Essential knots in the Poincaré sphere cannot be 'cosmetically' altered.
Two Dehn surgeries on a knot are called cosmetic if they yield homeomorphic manifolds. For a null-homologous knot with certain conditions on the Thurston norm of the ambient manifold, if the knot admits cosmetic surgeries, then the surgery coefficients are equal up to sign.
Study shows (p,q)-cable knots cannot undergo certain types of surgery.
problem Chirally cosmetic surgery on (p,q)-cable knots. method Analyzes JSJ pieces and torus exteriors to prove non-existence of chirally cosmetic surgery.
result Proves (p,q)-cable knots do not admit chirally cosmetic surgery under certain conditions. Research confirms non-trivial knots in S^3 do not admit purely cosmetic surgeries.
problem Non-trivial knots in S^3 do not admit purely cosmetic surgeries.
method Analysis of JSJ-structures to confirm Gordon's conjecture.
result Connected sums of knots do not admit purely cosmetic surgeries.
In this paper, we prove that there are no truly cosmetic surgeries on genus one classical knots. If the two surgery slopes have the same sign, we give the only possibilities of reflectively cosmetic surgeries. The result is an application of Heegaard Floer theory and number theory.
New proof for a knot type not admitting certain surgeries.
problem Chirally cosmetic surgeries on non-torus 2-bridge knots.
method Proof by contradiction and geometric analysis.
result Proves non-torus 2-bridge knots do not admit chirally cosmetic surgeries.
New method proves cosmetic surgery conjecture for certain knots.
problem Proving the cosmetic surgery conjecture for specific knots.
method Using filtered instanton homology and Chern-Simons filtration.
result Reduced the conjecture to surgeries of ±2 on genus 2 knots. New quantum obstructions prevent purely cosmetic surgeries on knots.
problem Preventing purely cosmetic surgeries on knots.
method Using Witten-Reshetikhin-Turaev invariants at fixed level.
result Strengthened obstructions for purely cosmetic surgeries and verified conjecture for knots up to 17 crossings.
Paper proves knots satisfy a conjecture using Jones polynomial.
problem Proving infinite families of knots satisfy the Cosmetic Surgery Conjecture.
method Computed Jones polynomial and invariants for two knot families.
result Two infinite families of knots satisfy the Purely Cosmetic Surgery Conjecture.
New insights into cosmetic surgeries using Heegaard Floer homology.
problem Understanding cosmetic surgeries on knots and three-manifolds.
method Using Heegaard Floer homology and knot Floer homology.
result Cosmetic surgeries on certain knots have specific coefficient constraints.
The paper verifies no cosmetic surgeries on knots and 3-manifolds using hyperbolic geometry.
problem Checking cosmetic surgeries on knots and 3-manifolds.
method Knot invariants and hyperbolic geometry.
result Verification of no cosmetic surgeries on knots and 3-manifolds.
The study confirms that most positive 2-bridge knots up to 31 crossings do not have chirally cosmetic surgeries.
problem Determining which positive 2-bridge knots up to 31 crossings have chirally cosmetic surgeries.
method Using the obstruction formula from arXiv:2112.03144 and a Python program to compute classical knot invariants.
result Positive 2-bridge knots up to 31 crossings, except (2,2n+1) torus knots, do not admit chirally cosmetic surgeries. Two Dehn surgeries on a knot are called {\it purely cosmetic}, if they yield manifolds that are homeomorphic as oriented manifolds. Suppose there exist purely cosmetic surgeries on a knot in S3, we show that the two surgery slopes must be the opposite of each other. One ingredient of our proof is a Dehn surgery form…
Study shows most knots up to 10 crossings can't be chirally cosmetic.
problem Identifying knots that can undergo chirally cosmetic surgeries.
method Used invariants from 3-manifold theory, including quantum SO(3)-invariant and Heegaard Floer homology.
result Approximately 75% of knots up to 10 crossings do not admit chirally cosmetic surgeries.
Proves cosmetic surgery conjecture for strongly invertible knots.
problem Cosmetic surgery conjecture for strongly invertible knots.
method Combines recent results with Khovanov multicurve invariants and Conway tangles.
result Proves equivariant version of the Cosmetic Surgery Conjecture.
The study limits the number of cosmetic surgeries for certain knots in specific 3-manifolds.
problem Limits the number of cosmetic surgeries for knots in specific 3-manifolds.
method Rational surgery formula for Casson--Walker--Lescop invariant, constraints for null-homologous knots.
result At most two pairs of integral purely cosmetic surgeries for null-homologous knots in rational homology spheres.
Study shows constraints on cosmetic surgeries in S3 for knots with specific properties.
problem Cosmetic surgeries in S3 for knots with certain properties. method Use of Heegaard Floer homology and surgery formula.
result Explicit constraints on slopes for cosmetic surgeries, including ±2 and ±1/q. The paper generalizes a surgery conjecture and proves it under the Zilber-Pink conjecture.
problem Generalizing the Cosmetic Surgery Conjecture to n-cusped hyperbolic 3-manifolds. method Proves the generalized conjecture under the assumption of the Zilber-Pink conjecture, and without assuming it for n=1 and 2. result Proves the generalized Cosmetic Surgery Conjecture for n=1 and 2 without assuming the Zilber-Pink conjecture. Study sharp bounds on knot surgeries in specific manifolds.
problem Cosmetic surgeries on knots in rational homology spheres.
method Character variety theory of PSL2(C). result Sharp bound on number of slopes producing same manifold.
Special knots with many twists have no certain type of surgery.
problem Proving certain knots have no chirally cosmetic surgeries.
method Analyzing the number of twist regions and using invariants to bound surgeries.
result Special alternating knots with more than 63 twist regions have no chirally cosmetic surgeries.
We consider the cosmetic surgery problem for two-bridge knots in the 3-sphere. It is seen that all the two-bridge knots at most 9 crossings other than 927=S(49,19)=C[2,2,−2,2,2,−2] admits no purely cosmetic surgery pairs. Then we show that any two-bridge knot of the Conway form [2x,2,−2x,2x,2,−2x] with $x \ge …
By considering non-orientable surfaces in the surgered manifolds, we show that the 10/3- and -10/3-Dehn surgeries on the 2-bridge knot 927=S(49,19) are not cosmetic, i.e., they give mutually non-homeomorphic manifolds. The knot is unknown to have no cosmetic surgeries by previously known results; in particular, …
We show that two Dehn surgeries on a knot K never yield manifolds that are homeomorphic as oriented manifolds if VK′′(1)=0 or VK′′′(1)=0. As an application, we verify the cosmetic surgery conjecture for all knots with no more than 11 crossings except for three 10-crossing knots and five 11-crossin…
Two-bridge knots can't be transformed into each other by certain surgeries.
problem Understanding transformations of 3-manifolds via knot surgeries.
method Used signature, finite type invariants for knots and SL(2,C) Casson invariant for 3-manifolds. result Two-bridge knots and alternating fibered knots admit no purely cosmetic surgeries.
The paper examines cosmetic two-strand twists on fibered knots and their properties.
problem When does a two-strand twist of a fibered knot produce an isotopic knot?
method Generalized crossing changes and non-coherent band surgeries were defined and analyzed.
result Fibered knots in rational homology spheres admit no cosmetic generalized crossing changes.
Update: The Cosmetic Surgery Conjecture modulo finitely many Dehn-filling coefficients has been a well-known classical result, so the first main result of this paper is not new. (But the author was initially unaware of this fact, and the tools and techniques used here are very different from all the classically known m…
Band surgery affects knot signatures by 0 or 8.
problem Understanding how band surgery impacts knot signatures.
method Using Heegaard Floer d-invariants and L-space properties.
result The absolute value of signature difference is 0 or 8 for quasi-alternating knots related by band surgery.
We present various examples of cosmetic bandings on knots and links, that is, bandings on knots and links leaving their types unchanged. As a byproduct, we give a hyperbolic knot which admits exotic chirally cosmetic surgeries yielding hyperbolic manifolds. This gives a counterexample to a conjecture raised by Bleiler,…