Is there a natural number that can be represented as the sum of the fifth (or higher) powers of the natural numbers in two different ways?

Sergiy Gladun @Sergiy-Gladun

26 April 2023 1 5K Report

Are there generalized "taxi" numbers of the indicated type?

Stam Nicolis

This paper: Preprint Seeds for Generalized Taxicab Numbers

might be useful.

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In connection with what did David Hilbert combine the Goldbach-Euler problem with the Riemann problem?

Did David Hilbert consider these two problems insoluble? (Because the Goldbach-Euler binary problem is most likely unsolvable due to Gödel's theory). Undecidability here implies the impossibility...

29 April 2023 4,726 7 View

Is there a natural number that can be represented as a sum of fourth (or higher) powers of natural numbers in three different ways?

Are there generalized "taxi" numbers of this kind?

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Did anybody observe large "multinuclear cells" in WT CHO cultures?

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20 February 2021 157 4 View

Is there a reliable short (up to 30 minute) test to measure students' creativity in STEM subjects?

Preferably the test should be based on problem solving, in particular solving non-routine questions that don't require any specific knowledge (domain free).

13 February 2018 8,590 5 View

Does the Federal Reserve System have more influence on inflation and unemployment now than it did before the crisis?

The Federal Reserve System balance has grown 4x since the economic crisis on QE programs. In this situation, it is very hard to be more influential on economics. What are the main features for...

12 October 2014 1,473 19 View

What level of public debt is desirable in developed and developing countries?

Before crisis marked-based model not worked in financial markets. After crisis in different countries we see different dynamics of external debt. In any countries this external debt is more than...

16 July 2014 7,595 33 View

What was changed after crisis in the estimates of «wild cards» scenarios for economy development?

Fundamental understanding of the limits of economic development and inadequate of management processes for economy.

20 May 2014 1,583 9 View

Why is capitalism at the crossroads after every economic crisis?

As says S. L. Hart in the book “Capitalism at the Crossroads” – (Third Ed., 2010) – (http://www.amazon.com/Capitalism-Crossroads-Generation-Strategies-Post-Crisis/dp/0137042329). Nothing is...

04 May 2014 3,050 22 View

How do politicians become much more open and collaborative with one another?

I think this is the very big problem. Politicians can’t do that if they want to be secretive.

24 April 2014 6,827 32 View

Are offshore business the social and economic fair tax planning or the ways of illicit global financial flow and tax evasion?

After the crisis of 2007 the market of OTC derivatives was named as shadow banking system: http://en.wikipedia.org/wiki/Shadow_banking_system. Offshore business have much more capital without...

27 January 2014 3,312 6 View

The Bigger You Are, the Harder You Fall (some lessons from Dinosaurs)?

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06 August 2024 4,849 2 View

Are air moisture harvesting technologies effective in combating desertification?

Air moisture harvesting Air water collection devices

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State of art in natural disasters?

Are increasing the costs of disasters in the affected countries.

01 August 2024 1,794 2 View

How can I get my Granzyme B flow cytometry stain to be consistent?

I have used PE and PE-Dazzle 594 fluorochromes and have managed to get NK cells to properly show GranzymeB expression after 4 hr PMA/ionomycin stimulaton, but for some reason my CD8 cells in the...

01 August 2024 7,677 2 View

Posthoc test lettering in JAMOVI?

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31 July 2024 3,333 4 View

What are the roles of innovation in achieving the Sustainable Development Goals (SDG)?

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Culture plates for PBMC (non-adherent). For infection?

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24 July 2024 2,158 2 View

What's technologies for enhancing crop productivity in dry-land areas & agro technologies for sustainable development of rain fed & water scarce area?

What are the technologies for enhancing the crop productivity in dry-land areas and agro technologies for sustainable development of rain fed and water scarce area?

21 July 2024 2,964 4 View

How to have sustainable development for the artic region?

How can we have both environmental and indigenous people protection together with shipping all year-round, as well as natural resources exploitation?

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How could physics help in the achievement of sustainable development goals?

16 July 2024 8,233 1 View