When closure of a path connected set is path connected again?

In general closure of a path connected set is not path connected. For example, the graph of sin(1/x) on (0,1] . However, if we require the original set to be open, does >that make the...

09 October 2019 8,505 5 View

Why are scientists trying to merge gravity and quantum physics even though gravity is just the curvature of space-time?

unification theory, string theory

02 March 2018 4,454 32 View

Can we define based covering rough graphs?

Rough graphs can be defined.By analogy can we define based covering rough graphs?

01 February 2018 6,092 0 View

Can we define Cayley graphs for rough or based covering rough or super rough groups?

Based covering rough seds, Cayley graphs

01 February 2018 2,446 1 View

What is the regular magic square matrix?

for exmple 16 3 2 13 5 10 11 18 9 6 7 12 4 15 14 1 is a magic square madrix 4x4 widh endries 1, 2,3,.... 16.

10 November 2017 7,298 8 View

Happy new yearrrr?

happy life reality research fresh

11 December 2016 3,768 15 View

Is anybody interested to topology of max plus algebras?

10 November 2016 5,932 1 View

What is the relation between nano topology and rough sets?

09 October 2016 4,800 5 View

How is the generalized inverse of block product of matrices in max plus algebra?

Max plus algebra; generalized inverse; block product of matrices

06 July 2016 6,746 1 View

How are Toeplitz systems in tropical algebras?

Tropical algebras, Toeplitz systems

03 April 2016 8,405 6 View

How can AI be used for enabling Design for Sustainability?

Design for Sustainability (DfS) is a wicked and complex problem. It needs the designer to combine specialized knowledge from several disciplines with systemic thinking. The designer also needs to...

05 February 2021 2,998 9 View

Is concrete block bricks eco-friendly?

Concrete block bricks companies are marketing that their products are eco-friendly, as they are not emitting carbon dioxide and not using soil. At that viewpoint, they are right. But,in their...

04 January 2021 5,641 8 View

What possible journals do you suggest for an exploratory study on learning sustainabilty competence?

Hello! We are conducting a study that practically implemented a combination of different learning approaches to foster systems thinking competence in the context of sustainability and in a...

17 December 2020 6,554 2 View

Are there any researchers who have compared dry and wet grinding results under laboratory conditions with Life Cycle Assessment?

Dear Researchers, I would like to compare the environmental load of dry and wet grinding under laboratory conditions (later with the scale-up method also for operating conditions). I have already...

31 October 2020 6,703 11 View

Any idea of a startup ? What is the perfect time to start a new enterprise ?

What is all required for startups, and what we know about them ? What idea can be feasible ? Do you have any idea of what are the trade drawbacks on the following - What are Health effects...

15 October 2020 7,795 12 View

Karl Marx vrs Adam Smith, can you see the market illusion associated with each model?

If there are sustainability gaps, then there are market illusions as well as broken circular economic structures. Hence there is a market illusion associated with red socialism/Karl Marx and with...

15 October 2020 1,538 8 View

As an undergraduate, I need a bit of assistance on finding/coming up with a research topic to study together with a researcher at my institution?

I am undergraduate, majoring in public finance, also enthusiastic about data science and analysis. I would like to do research with a researcher at my institution who is studying in the areas of...

12 October 2020 8,227 6 View

What is a green market? What is not a green market?

Despite green market thinking being here formally since 2012 Rio +20 conference finding a definition of a true green market is hard to find even in major publications dealing with green growth and...

11 October 2020 7,951 24 View

Is any of these questions with no answer yet relevant to you?

If any of the questions listed below is interesting to you, please write a comment stating your view or please recommend the question you find interesting to contacts you think may be interested...

09 October 2020 4,482 5 View

Can the green economy and green growth exist without green markets?

In 2012 Ric + 20 we shifted in theory to green markets, green economy and green growth thinking as the three indispensable components of environmentally friendly economic development, yet you do...

07 October 2020 3,424 22 View