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Jul 17, 2018 at 14:12 comment added Đào Thanh Oai Dear sir @Wolfgang I post this to here mathoverflow.net/questions/306204/…
Jul 17, 2018 at 13:05 comment added Wolfgang @ĐàoThanhOai Making the sums symmetric yields two completely different conjectures (which have many chances to hold true, supposedly quite easy to prove by majorization). i'd simply suggest that you make up a new question with those two conjectures!
Jul 17, 2018 at 11:12 history edited Đào Thanh Oai CC BY-SA 4.0
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Jul 17, 2018 at 11:03 comment added Đào Thanh Oai In inequality 1, inner sym for a; outer sym for x, y. Similarly to inequality 2.
Jul 17, 2018 at 10:44 comment added მამუკა ჯიბლაძე I believe having this as an answer is confusing, even if you begin by explaining that this is not an answer. You rather should add this to the question
Jul 17, 2018 at 7:44 history edited Đào Thanh Oai CC BY-SA 4.0
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Jul 17, 2018 at 7:36 history edited Đào Thanh Oai CC BY-SA 4.0
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Jul 17, 2018 at 7:21 history edited Đào Thanh Oai CC BY-SA 4.0
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Jul 17, 2018 at 7:13 history edited Đào Thanh Oai CC BY-SA 4.0
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Jul 17, 2018 at 7:05 history answered Đào Thanh Oai CC BY-SA 4.0