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| 130509-153910: | The free group modulo the braid group. |
| 130506-170221: | Long virtual knots. |
| 130506-164120: | Conjugacy classes in F_n modulo braid actions. |
| 130506-154354: | Bracelets. |
| 130506-153345: | Unknotting operation in 4D. |
| 130422-151722: | 2 simple curves = chord diagrams. |
| 130401-172059: | SC meeting. |
| 130307-142308: | The Baumslag-Solitar group is non-Hopfian (2). |
| 130307-135458: | The Baumslag-Solitar group is non-Hopfian. (more...) |
| 130227-161949: | Hopfian groups. |
| 130215-140130: | Matrices and quadratics. |
| 130213-165727: | Meta-conjugacy-classes. |
| 121218-150646: | Kanenobu's conjecture (2). |
| 121218-144311: | Kanenobu's conjecture. (more...) |
| 121211-143453: | Knots that are ribbon in multiple ways. |
| 121121-153420: | Triangulations and multi-curves (2). |
| 121114-165832: | Triangulations and multi-curves. |
| 121101-084420: | $\pi_2$ and ribbon braids. |
| 121031-164550: | The fundamental group of a non-ribbon 2-knot. |
| 121024-153737: | A non-ribbon 2-knot. |
| 121003-152900: | Is ${\mathcal K}^{bh}_{\text{all}}$ a finitely generated MGA? |
| 120919-170659: | September 19 notes. |
| 120905-154614: | There is a knotted 4-punctured sphere whose boundary is the unlink, but there isn't such a 3-punctured sphere. |
| 120821-152726: | Untangled stack presentations. |
| 120807-151732: | One-line stack presentations (3). |
| 120731-171704: | One-line stack presentations (2). |
| 120731-165500: | Analyzing the Carter-Saito 2-knot (3). |
| 120731-164442: | Analyzing the Carter-Saito 2-knot (2). |
| 120731-163914: | Analyzing the Carter-Saito 2-knot. |
| 120724-155713: | One-line stack presentations. |
| 120716-155118: | Plumbing in ${\mathbb R}^4$ (2). |
| 120704-152002: | Plumbing in ${\mathbb R}^4$. |
| 120628-165934: | Stack presentations (8), and the $\pi_1$ and $\pi_2$ story. |
| 120618-152703: | Stack presentations (7). |
| 120525-134509: | Stack presentations (6). |
| 120517-160250: | Stack presentations (5). |
| 120517-153600: | Stack moves to R moves. |
| 120510-161654: | Stack presentations (4). |
| 120510-151741: | Stack presentations (3). |
| 120503-160037: | Stack presentations (2). |
| 120426-153125: | Stack presentations. |
| 120406-133930: | Spinning a ribbon 1-knot. |
| 120406-120255: | The Nakanishi-Nakagawa example (14). |
| 120406-120206: | The Nakanishi-Nakagawa example (13). |
| 120406-120115: | The Nakanishi-Nakagawa example (12). |
| 120406-120013: | The Nakanishi-Nakagawa example (11). |
| 120406-115826: | The Nakanishi-Nakagawa example (10). |
| 120406-115731: | The Nakanishi-Nakagawa example (9). |
| 120406-115635: | The Nakanishi-Nakagawa example (8). |
| 120406-115341: | The Nakanishi-Nakagawa example (7). |
| 120406-115200: | The Nakanishi-Nakagawa example (6). |
| 120406-114822: | The Nakanishi-Nakagawa example (5). |
| 120406-114626: | The Nakanishi-Nakagawa example (4). |
| 120406-114516: | The Nakanishi-Nakagawa example (3). |
| 120406-114331: | The Nakanishi-Nakagawa example (2). |
| 120406-114229: | The Nakanishi-Nakagawa example. |
| 120406-113653: | A word-presentation for w-knots. |
| 120327-090626: | Seifert surfaces and ribbon knots. |
| 120326-130432: | SC Meeting. |
| 120209-161652: | The paper by Travis Schedler (5) |
| 120203-092039: | The paper by Travis Schedler (4) |
| 120202-154639: | The paper by Travis Schedler (3) |
| 120123-175516: | The paper by Travis Schedler (2) |
| 120120-150234: | The paper by Travis Schedler (more...) |
| 111215-164429: | The bracket in the Lie bi-algebra of curves (2). |
| 111209-141446: | The bracket in the Lie bi-algebra of curves. |
| 111201-165327: | A chord-diagram algorithm to decide the simplicity of plane curves. |
| 111125-160312: | Surfaces with circle boundary (2). |
| 111117-182218: | Surfaces with circle boundary. |
| 111110-180409: | Homotoping plane curves. |
| 111104-103416: | Turning ribbon singularities into clasp singularities. |
| 111004-162300: | Reading Blake Winter. |
| 110923-170815: | A hyperbolic picture of the free group. |
| 110630-160804: | PairingCycles. |
| 110623-160414: | The Turaev Quantization (2). |
| 110623-152836: | The Turaev Quantization. (more...) |
| 110616-154345: | Simplifying crossingless virtual knots. |
| 110607-155801: | The two types of forced intersections. |
| 110512-151854: | Obstructions to planarity. |
| 110505-153348: | The Lie Bialgebra of Curves. |
| 110419-140741: | Kuratowski-style obstructions to simplicity of curves. |
| 110413-145804: | Some quotients of the hyperbolic plane. |
| 110413-142856: | The Birman-Series Simplicity Algorithm (2). |
| 110329-142547: | The Birman-Series Simplicity Algorithm. (more...) |
| 110322-152236: | Planar curves and free groups (2). |
| 110322-145141: | Planar curves and free groups. |
| 110310-140400: | Planarity of curves (2). |
| 110308-164010: | Planarity of curves. (more...) |
| 110222-143847: | A w-Borromean braid. |
| 110208-150040: | Combinatorial planes and Artin's theorem. |
| 110127-143209: | Questions on planar representations of braids (2). |
| 110111-135253: | Finite type for Catalans. |
| 110111-132853: | Questions on planar representations of braids. |
| 101218-140640: | Planar Morse curves (3). |
| 101208-162356: | Planar Morse curves (2). |
| 101202-170249: | Planar Morse curves. |
| 101125-171326: | Simple curves in the n-punctured disk (3). |
| 101118-172850: | Simple curves in the n-punctured disk (2). |
| 101111-180032: | Simple curves in the n-punctured disk. |
| 101028-171722: | Claspers. |
| 101022-090322: | Reading Belavin-Drinfel'd. |
| 101014-175219: | Manin triples and the "big bracket". (more...) |
| 100930-174525: | Some basics of Lie bialgebras (3). |
| 100930-171830: | Some basics of Lie bialgebras (2). |
| 100924-121247: | Some basics of Lie bialgebras. |
| 100826-134508: | R2-trivial plane curves. |
| 100819-160557: | A non-realizable circle diagram. |
| 100813-141103: | Gauss diagrams for ribbon handlebodies. |
| 100813-135437: | Ribbon diagrams, ribbon handlebodies and Gauss diagrams for immersed surfaces. |
| 100805-151028: | Gauss diagrams for immersed surfaces. |
| 100805-144347: | Broken surfaces and ribbon handlebodies (2). |
| 100729-170308: | Broken surfaces and ribbon handlebodies. (more...) |
| 100714-141059: | The duality between the coefficients of the Alexander polynomial and wheels. |
| 100714-133508: | The bialgebra of ribbon knots. |
| 100707-114711: | The star presentation, cycles and wheels. |
| 100630-152252: | The star presentation. |
| 100630-150302: | Review of finite-type. |
| 100630-144741: | Moves on ribbon handlebodies. (more...) |
| 100525-150826: | Renormalizing the Alexander polynomial. |
| 100525-142135: | Review of the Alexander polynomial. |
| 100517-150612: | The Alexander polynomial of a ribbon 2-knot is of finite type. |
| 100517-145200: | The Alexander polynomial of a ribbon 2-knot. |
| 100517-143734: | The fundamental group of a ribbon 2-knot (2). |
| 100517-142417: | The fundamental group of a ribbon 2-knot. |
| 100510-144232: | The definition of finite type. |
| 100510-143120: | The definition of ribbon 2-knots (2). |
| 100510-141822: | The definition of ribbon 2-knots. (more...) |
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