# User contributions

From Polymath1Wiki

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- 05:18, 24 August 2018 (diff | hist) . . (-55) . . Excluding bichromatic vertices (→Conjecture for using bichromatic vertices to bound CNP: added conjecture is true for lines) (current)
- 12:31, 7 August 2018 (diff | hist) . . (+1) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on p_d for 4-colourings: fixed lemma 39 placing) (current)
- 04:29, 6 August 2018 (diff | hist) . . (+6) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on p_d for 4-colourings: added <=2 to general lower bound)
- 03:36, 6 August 2018 (diff | hist) . . (+113) . . Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on p_d for 4-colourings: added >=SQRT(2))
- 03:31, 6 August 2018 (diff | hist) . .
**(+603)** . . Probabilistic formulation of Hadwiger-Nelson problem (→Proofs of bounds: added lemma 39, general lower bound 1/25) - 03:07, 6 August 2018 (diff | hist) . . (+147) . . Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on p_d for 4-colourings: improved lower for 1/\sqrt{3})
- 02:47, 6 August 2018 (diff | hist) . . (+9) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on p_d for 4-colourings: added lemma 15 to \sqrt{3} lower bound)
- 06:57, 19 July 2018 (diff | hist) . . (+14) . . m Hadwiger-Nelson problem (→Notable unit distance graphs: fixed link to >V_A \oplus V_A \oplus V_A)
- 06:05, 19 July 2018 (diff | hist) . . (-4) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on p_d for 4-colourings: added 0.26 to \sqrt{3})
- 01:55, 14 July 2018 (diff | hist) . . (0) . . Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on p_d for 4-colourings: fixed large d)
- 01:55, 14 July 2018 (diff | hist) . . (0) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 36: also statement)
- 01:54, 14 July 2018 (diff | hist) . . (-14) . . Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 36: fixed error at the end)
- 01:09, 11 July 2018 (diff | hist) . . (+15) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on p_d for 4-colourings: fixed bound for large d)
- 01:08, 11 July 2018 (diff | hist) . . (+256) . . Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 36: fixed last case error)
- 14:33, 10 July 2018 (diff | hist) . . (-27) . . Excluding bichromatic vertices (→Conjecture for using bichromatic vertices to bound CNP: improved previous)
- 14:29, 10 July 2018 (diff | hist) . .
**(+1,607)** . . Excluding bichromatic vertices (added conjecture) - 14:13, 10 July 2018 (diff | hist) . . (-267) . . Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on p_d for 4-colourings: fixed incorrect lemma 2, cor 16 refs, updated upper bounds from prop 36)
- 14:01, 10 July 2018 (diff | hist) . . (+164) . . Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on p_d for 4-colourings: added two more values from Prop 36)
- 13:55, 10 July 2018 (diff | hist) . .
**(+740)** . . Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 36: added new construction with iteration) - 13:09, 10 July 2018 (diff | hist) . .
**(+1,348)** . . Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 36: added iteration arguments) - 13:16, 7 July 2018 (diff | hist) . . (+121) . . Probabilistic formulation of Hadwiger-Nelson problem (→Lemma 38: added one line proof (also kept original))
- 13:11, 7 July 2018 (diff | hist) . . (+2) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Lemma 37: added missing 3)
- 04:58, 5 July 2018 (diff | hist) . . (+1) . . Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 36: fixed note 2)
- 14:11, 4 July 2018 (diff | hist) . . (+274) . . Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 36: added note 2)
- 13:15, 4 July 2018 (diff | hist) . . (+65) . . Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 36: fixed def of E and F as noted by Aubrey here https://dustingmixon.wordpress.com/2018/07/02/polymath16-ninth-thread-searching-for-a-6-coloring/#comment-5106)
- 14:35, 23 June 2018 (diff | hist) . . (+2) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 36)
- 14:21, 23 June 2018 (diff | hist) . . (+83) . . Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 36: lower bound on d)
- 14:00, 23 June 2018 (diff | hist) . . (+1) . . Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 35: fixed BAD angle and \frac{1}{4} in first inequality)
- 13:52, 23 June 2018 (diff | hist) . . (+222) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 36: fixed minor errors)
- 12:46, 19 June 2018 (diff | hist) . . (-1) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Proposition 35: fixed typo (triangle -> rhombus))
- 13:59, 29 May 2018 (diff | hist) . . (+242) . . Hadwiger-Nelson problem (→Notable unit distance graphs: added G26 to bichromatic origin part)
- 13:50, 29 May 2018 (diff | hist) . . (+4) . . m Hadwiger-Nelson problem (→Notable unit distance graphs: fixed last two rows)
- 14:41, 9 May 2018 (diff | hist) . . (+249) . . Hadwiger-Nelson problem (→Blog, forums, and media: added index.hu)
- 00:40, 7 May 2018 (diff | hist) . . (0) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Theorem 20: fixed typo)
- 06:59, 4 May 2018 (diff | hist) . . (+97) . . Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on {\bf P}( \mathbf{c}(0) = \mathbf{c}(d) ) for 4-colourings: added \frac{\sqrt{5}-1}{2})
- 06:56, 4 May 2018 (diff | hist) . . (+244) . . Probabilistic formulation of Hadwiger-Nelson problem (→Proofs of bounds: added lower bound on \frac{\sqrt{5}-1}{2})
- 06:19, 4 May 2018 (diff | hist) . . (-31) . . m Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on {\bf P}( \mathbf{c}(0) = \mathbf{c}(d) ) for 4-colourings)
- 06:15, 4 May 2018 (diff | hist) . . (+65) . . Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on {\bf P}( \mathbf{c}(0) = \mathbf{c}(d) ) for 4-colourings: added computer-verified to relevant places)
- 06:10, 4 May 2018 (diff | hist) . . (-4) . . Probabilistic formulation of Hadwiger-Nelson problem (→Bounds on {\bf P}( \mathbf{c}(0) = \mathbf{c}(d) ) for 4-colourings: renamed separation to distance)
- 02:01, 4 May 2018 (diff | hist) . . (+138) . . Probabilistic formulation of Hadwiger-Nelson problem
- 13:09, 3 May 2018 (diff | hist) . . (+122) . . Hadwiger-Nelson problem (→Virtual edge: added warning)
- 02:25, 3 May 2018 (diff | hist) . . (+153) . . Hadwiger-Nelson problem (→Bibliography: added Bukh)
- 11:58, 5 February 2016 (diff | hist) . . (+160) . . The Erdos-Rado sunflower lemma (→Variants and notation) (current)
- 11:54, 5 February 2016 (diff | hist) . . (+180) . . The Erdos-Rado sunflower lemma (→Bibliography: added alon-shpilka-umans)
- 09:15, 5 February 2016 (diff | hist) . . (+185) . . The Erdos-Rado sunflower lemma (→Variants and notation: cleared up DES part)
- 08:56, 5 February 2016 (diff | hist) . .
**(+1,364)** . . The Erdos-Rado sunflower lemma (→Variants and notation: added weak sunflower section) - 05:56, 5 February 2016 (diff | hist) . . (-96) . . m The Erdos-Rado sunflower lemma (→Bibliography: fixed deltas)
- 05:53, 5 February 2016 (diff | hist) . . (+429) . . The Erdos-Rado sunflower lemma (→Bibliography: added links)
- 05:44, 5 February 2016 (diff | hist) . . (+253) . . The Erdos-Rado sunflower lemma (→Bibliography: added Abbott-Exoo II and Axenovich et al)
- 07:37, 29 November 2015 (diff | hist) . . (+111) . . m The Erdos-Rado sunflower lemma (→Small values: changed style of top row of table)

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